1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02110770 A1W AT GRAND STRAND AIRPORT N. MYRTLE BEACH, SC SOURCE AGENCY USGS STATE 45 COUNTY 051 LATITUDE 334912 LONGITUDE 0784257 NAD27 DATUM 20 NGVD29 Date Processed: 2005-04-01 16:44 By mishealy APPROVED DD #15, ,PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1986 TO SEPTEMBER 1987 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN OCTOBER NOVEMBER DECEMBER JANUARY 1 --- --- --- --- --- --- --- --- --- --- --- --- 2 --- --- --- --- --- --- --- --- --- --- --- --- 3 --- --- --- --- --- --- --- --- --- --- --- --- 4 --- --- --- --- --- --- --- --- --- --- --- --- 5 --- --- --- --- --- --- --- --- --- --- --- --- 6 --- --- --- --- --- --- --- --- --- --- --- --- 7 --- --- --- --- --- --- --- --- --- --- --- --- 8 --- --- --- --- --- --- --- --- --- --- --- --- 9 --- --- --- --- --- --- --- --- --- --- --- --- 10 --- --- --- --- --- --- --- --- --- --- --- --- 11 --- --- --- --- --- --- --- --- --- --- --- --- 12 --- --- --- --- --- --- --- --- --- --- --- --- 13 --- --- --- --- --- --- --- --- --- --- --- --- 14 --- --- --- --- --- --- --- --- --- --- --- --- 15 --- --- --- --- --- --- --- --- --- --- --- --- 16 --- --- --- --- --- --- --- --- --- --- --- --- 17 --- --- --- --- --- --- --- --- --- --- --- --- 18 --- --- --- --- --- --- --- --- --- --- --- --- 19 --- --- --- --- --- --- --- --- --- --- --- --- 20 --- --- --- --- --- --- --- --- --- --- --- --- 21 --- --- --- --- --- --- --- --- --- --- --- --- 22 --- --- --- --- --- --- --- --- --- --- --- --- 23 --- --- --- --- --- --- --- --- --- --- --- --- 24 --- --- --- --- --- --- --- --- --- --- --- --- 25 --- --- --- --- --- --- --- --- --- --- --- --- 26 --- --- --- --- --- --- --- --- --- --- --- --- 27 --- --- --- --- --- --- --- --- --- --- --- --- 28 --- --- --- --- --- --- --- --- --- --- --- --- 29 --- --- --- --- --- --- --- --- --- --- --- --- 30 --- --- --- --- --- --- --- --- --- --- --- --- 31 --- --- --- --- --- --- --- --- --- --- --- --- MONTH --- --- --- --- --- --- --- --- --- --- --- --- 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02110770 A1W AT GRAND STRAND AIRPORT N. MYRTLE BEACH, SC SOURCE AGENCY USGS STATE 45 COUNTY 051 LATITUDE 334912 LONGITUDE 0784257 NAD27 DATUM 20 NGVD29 Date Processed: 2005-04-01 16:44 By mishealy APPROVED DD #15, ,PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1986 TO SEPTEMBER 1987 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN FEBRUARY MARCH APRIL MAY 1 --- --- --- --- --- --- --- --- --- 130 90 101 2 --- --- --- --- --- --- --- --- --- 130 90 102 3 --- --- --- --- --- --- --- --- --- 140 90 103 4 --- --- --- --- --- --- --- --- --- 130 90 104 5 --- --- --- --- --- --- --- --- --- 140 100 109 6 --- --- --- --- --- --- --- --- --- 110 90 102 7 --- --- --- --- --- --- --- --- --- 120 100 101 8 --- --- --- --- --- --- --- --- --- 130 100 107 9 --- --- --- --- --- --- --- --- --- 140 100 109 10 --- --- --- --- --- --- --- --- --- 140 100 109 11 --- --- --- --- --- --- --- --- --- 130 100 112 12 --- --- --- --- --- --- --- --- --- 200 100 120 13 --- --- --- --- --- --- --- --- --- 440 100 143 14 --- --- --- --- --- --- --- --- --- 880 110 178 15 --- --- --- --- --- --- --- --- --- 750 110 161 16 --- --- --- --- --- --- 140 100 116 1080 120 179 17 --- --- --- --- --- --- 140 90 103 1350 120 289 18 --- --- --- --- --- --- 130 90 100 570 120 162 19 --- --- --- --- --- --- 160 90 106 310 120 148 20 --- --- --- --- --- --- 130 100 108 450 120 180 21 --- --- --- --- --- --- 150 100 112 2220 140 478 22 --- --- --- --- --- --- 130 100 111 970 140 324 23 --- --- --- --- --- --- 150 100 114 990 140 255 24 --- --- --- --- --- --- 130 100 115 1360 140 285 25 --- --- --- --- --- --- 140 100 114 2560 140 441 26 --- --- --- --- --- --- 140 100 113 5260 150 781 27 --- --- --- --- --- --- 130 100 115 10000 160 --- 28 --- --- --- --- --- --- 120 100 110 4120 160 698 29 --- --- --- --- --- --- 130 90 105 3650 160 484 30 --- --- --- --- --- --- 110 90 101 2400 160 427 31 --- --- --- --- --- --- --- --- --- 2260 160 376 MONTH --- --- --- --- --- --- --- --- --- 10000 90 --- 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02110770 A1W AT GRAND STRAND AIRPORT N. MYRTLE BEACH, SC SOURCE AGENCY USGS STATE 45 COUNTY 051 LATITUDE 334912 LONGITUDE 0784257 NAD27 DATUM 20 NGVD29 Date Processed: 2005-04-01 16:44 By mishealy APPROVED DD #15, ,PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1986 TO SEPTEMBER 1987 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN JUNE JULY AUGUST SEPTEMBER 1 2940 150 406 300 150 178 6570 190 1210 1260 180 290 2 1930 150 303 230 150 177 10000 190 --- 2600 160 482 3 2050 160 418 220 150 177 10000 190 --- 3310 150 546 4 6900 160 930 310 150 185 10000 190 --- 6360 150 1030 5 3330 170 730 830 150 223 10000 190 --- 310 140 194 6 4380 170 798 2400 150 414 10000 230 --- 340 120 165 7 2830 160 486 3990 160 642 10000 300 --- 320 120 165 8 3540 160 566 4930 160 765 10000 380 --- 180 110 137 9 4050 150 746 5050 160 841 10000 380 --- 150 100 126 10 10000 160 --- 7370 160 1110 10000 260 --- 140 90 110 11 10000 270 --- 10000 160 --- 10000 320 --- 120 80 100 12 10000 220 --- 6240 170 933 10000 390 --- 190 80 91 13 10000 180 --- 3580 150 589 10000 230 --- 90 70 81 14 10000 180 --- 3110 150 414 2230 180 472 110 80 85 15 10000 180 --- 550 140 230 1070 160 274 100 70 85 16 10000 180 --- 540 140 224 2470 160 406 180 80 94 17 10000 190 --- 1020 130 265 5190 160 737 110 80 87 18 10000 190 2110 490 130 199 6510 160 894 100 70 82 19 6710 190 1330 940 130 226 7980 170 1080 120 80 88 20 2270 190 439 3510 140 486 7640 170 1160 120 80 91 21 2440 180 440 6230 140 899 10000 180 --- 160 70 93 22 3580 170 601 10000 150 --- 5520 180 852 160 70 91 23 6170 180 964 6670 170 784 5460 170 830 130 80 90 24 5230 170 840 4360 170 677 10000 200 --- 160 70 89 25 7440 170 1180 6940 180 1100 5850 200 1340 90 70 82 26 2190 170 430 3330 170 547 1420 190 503 100 80 86 27 1880 160 326 2490 170 417 1510 190 442 110 80 92 28 1130 170 303 5090 170 708 1270 190 409 150 80 94 29 660 170 246 10000 190 --- 5330 190 818 140 80 96 30 620 150 211 10000 210 --- 5890 190 1040 330 90 114 31 --- --- --- 10000 200 --- 7510 190 1150 --- --- --- MONTH 10000 150 --- 10000 130 --- 10000 160 --- 6360 70 169 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02110770 A1W AT GRAND STRAND AIRPORT N. MYRTLE BEACH, SC SOURCE AGENCY USGS STATE 45 COUNTY 051 LATITUDE 334912 LONGITUDE 0784257 NAD27 DATUM 20 NGVD29 Date Processed: 2005-04-01 16:44 By mishealy APPROVED DD #15, ,PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1987 TO SEPTEMBER 1988 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN OCTOBER NOVEMBER DECEMBER JANUARY 1 850 90 189 4730 130 769 400 100 210 600 200 305 2 3300 90 464 7240 140 1610 300 100 192 400 100 236 3 520 100 161 7800 150 1330 1000 100 246 700 100 226 4 3960 100 634 10000 150 --- 400 100 211 300 100 167 5 7890 110 1560 10000 170 --- 900 100 228 300 100 192 6 4220 110 853 10000 160 --- 1500 100 274 300 100 214 7 2970 110 497 10000 150 --- 700 100 222 300 100 202 8 5240 110 803 6360 150 928 598 100 266 --- --- --- 9 5400 120 776 6470 140 987 486 182 308 --- --- --- 10 5250 120 773 7920 140 1180 573 174 296 --- --- --- 11 4620 120 695 2920 140 433 660 155 272 --- --- --- 12 7050 130 1050 9300 150 1450 547 142 266 200 100 119 13 10000 130 --- 10000 170 --- 535 130 229 200 100 119 14 10000 140 --- 5460 170 930 527 125 262 200 100 122 15 10000 140 --- 1240 160 325 1210 205 339 300 100 123 16 7890 130 1460 1750 160 429 302 100 230 200 100 117 17 4610 120 732 4320 150 622 1000 100 353 200 100 125 18 6340 110 835 610 140 221 7500 100 1240 200 100 125 19 7360 120 1490 3820 140 820 7500 100 1200 400 100 151 20 6890 130 1500 8800 200 1420 5700 200 1000 300 100 118 21 10000 130 --- 2700 100 416 3500 300 742 300 100 112 22 10000 130 --- 5600 100 1070 7600 200 1430 200 100 111 23 10000 140 --- 7800 100 1230 5400 200 885 200 100 111 24 7990 130 1310 4500 100 753 3300 200 593 200 100 103 25 6860 130 1100 5800 200 1030 1000 300 386 207 100 107 26 10000 140 --- 9800 200 1850 500 300 332 247 117 142 27 10000 140 --- 8400 200 1570 900 200 362 273 151 171 28 7770 140 1190 3200 200 773 1300 100 374 300 185 202 29 9930 150 1570 600 200 288 300 100 187 300 100 205 30 6150 140 877 400 200 250 1400 100 337 300 100 204 31 2950 140 488 --- --- --- 1900 100 410 300 100 201 MONTH 10000 90 --- 10000 100 --- 7600 100 448 --- --- --- 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02110770 A1W AT GRAND STRAND AIRPORT N. MYRTLE BEACH, SC SOURCE AGENCY USGS STATE 45 COUNTY 051 LATITUDE 334912 LONGITUDE 0784257 NAD27 DATUM 20 NGVD29 Date Processed: 2005-04-01 16:44 By mishealy APPROVED DD #15, ,PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1987 TO SEPTEMBER 1988 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN FEBRUARY MARCH APRIL MAY 1 300 100 209 400 100 250 700 100 226 2800 100 494 2 300 200 208 400 100 257 600 100 210 2000 100 387 3 300 100 199 400 100 208 1600 100 261 2800 100 410 4 300 100 194 300 100 182 2900 100 358 2300 100 366 5 200 100 117 900 100 208 3200 100 370 1800 100 345 6 300 100 142 700 100 218 3600 100 579 1500 200 337 7 300 100 159 500 100 189 1500 100 262 2200 100 441 8 200 100 157 300 100 164 3900 100 525 8400 200 1520 9 300 100 203 400 100 182 12700 200 2140 5300 100 699 10 400 100 198 400 100 188 13800 100 6660 1100 200 326 11 300 100 197 1600 100 296 14200 200 5220 2200 100 463 12 300 100 167 300 100 184 13800 200 3340 5400 100 981 13 300 100 156 300 100 186 900 200 330 6800 200 1150 14 400 100 187 400 100 172 3700 100 656 9100 200 1560 15 1100 100 309 500 100 137 1800 100 412 12000 100 1960 16 300 100 230 800 100 172 1000 100 281 12400 100 2040 17 1500 100 356 500 100 219 1000 100 273 10400 200 1660 18 1900 100 406 1200 100 267 600 100 218 9500 100 1090 19 2600 200 509 500 100 173 400 100 205 6100 200 816 20 900 200 281 300 100 157 800 100 245 4700 200 683 21 300 100 229 700 100 182 600 100 227 3400 200 556 22 400 100 241 1700 100 302 300 100 199 1700 200 385 23 500 100 253 400 100 172 500 100 218 900 200 301 24 400 100 256 300 100 162 300 100 182 600 200 275 25 300 100 184 300 100 156 300 100 214 2400 200 507 26 400 100 214 300 100 163 300 100 220 11500 200 2250 27 600 100 261 300 100 208 300 100 216 4200 200 868 28 1700 100 366 400 100 181 300 100 209 1600 200 376 29 1100 100 298 400 100 219 500 100 236 7800 100 1290 30 --- --- --- 500 100 219 1600 100 346 8600 100 1370 31 --- --- --- 400 100 183 --- --- --- 11100 100 1620 MONTH 2600 100 237 1700 100 199 14200 100 835 12400 100 888 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02110770 A1W AT GRAND STRAND AIRPORT N. MYRTLE BEACH, SC SOURCE AGENCY USGS STATE 45 COUNTY 051 LATITUDE 334912 LONGITUDE 0784257 NAD27 DATUM 20 NGVD29 Date Processed: 2005-04-01 16:44 By mishealy APPROVED DD #15, ,PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1987 TO SEPTEMBER 1988 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN JUNE JULY AUGUST SEPTEMBER 1 16300 100 2480 28500 200 7220 23500 200 6250 3000 100 570 2 24000 100 3720 28900 300 8430 19700 200 6040 300 100 148 3 25800 300 9040 28000 300 8220 22200 300 7440 300 100 135 4 27700 300 8100 25400 500 8350 15300 200 4530 200 100 129 5 23300 100 4620 24200 400 7770 8620 100 1440 200 100 123 6 7500 100 905 20300 300 5900 6100 100 940 500 100 157 7 8500 100 1640 15500 100 3790 8100 100 1420 2700 100 384 8 13400 100 3130 12200 100 2140 10500 100 1970 300 100 133 9 14200 100 3320 13500 100 2420 10600 100 1620 200 100 108 10 20800 200 4970 15500 100 2990 5600 200 876 200 100 103 11 18800 200 4120 17500 100 3560 7400 100 1220 200 100 103 12 13100 4000 10900 13800 100 2700 9250 100 1480 200 100 102 13 13000 100 8740 11000 100 1770 14200 100 2060 200 100 101 14 9600 100 1300 15400 100 2500 13700 100 1740 200 100 101 15 15100 100 2000 17000 100 3130 3500 100 492 200 100 106 16 18200 100 3320 16900 100 3640 1800 100 470 100 100 100 17 18600 100 2900 17200 100 3200 3500 100 563 100 100 100 18 11400 100 1490 12300 100 1950 9400 100 1540 200 100 102 19 8900 100 1460 8300 100 1350 16600 100 3620 900 100 153 20 7300 100 1400 5400 100 906 18400 100 4600 300 100 112 21 8000 100 1750 10800 100 1960 18800 100 4320 1000 100 170 22 9200 100 1800 13600 100 3210 26000 200 7470 2700 100 397 23 10700 100 1980 15200 100 3460 22900 100 6760 2300 100 323 24 12800 100 2400 19200 100 4440 20300 100 5230 800 100 185 25 17900 100 4290 25300 100 7400 15600 100 3040 900 100 204 26 12900 100 2400 25100 200 7820 18600 100 3380 2600 100 453 27 15200 100 2820 22800 100 5880 21300 100 4470 5000 100 683 28 22700 100 5050 23000 100 5550 23900 200 6880 3700 100 480 29 18900 100 3940 23400 100 5690 19300 100 2460 1200 100 221 30 20800 100 3230 25100 200 6320 9500 100 1730 500 100 142 31 --- --- --- 24900 200 6910 9100 100 1630 --- --- --- MONTH 27700 100 3640 28900 100 4530 26000 100 3150 5000 100 211 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02110770 A1W AT GRAND STRAND AIRPORT N. MYRTLE BEACH, SC SOURCE AGENCY USGS STATE 45 COUNTY 051 LATITUDE 334912 LONGITUDE 0784257 NAD27 DATUM 20 NGVD29 Date Processed: 2005-04-01 16:44 By mishealy APPROVED DD #15, ,PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1988 TO SEPTEMBER 1989 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN OCTOBER NOVEMBER DECEMBER JANUARY 1 920 160 245 280 140 187 500 140 227 9200 140 1200 2 800 140 234 400 140 204 360 120 219 6460 160 816 3 740 160 221 3000 160 552 580 140 228 7240 140 864 4 380 140 189 2520 140 479 900 140 269 580 140 221 5 1000 140 248 4000 160 514 4800 140 632 12200 180 2300 6 1160 140 259 460 140 193 1960 140 320 11300 140 1680 7 560 140 205 460 140 201 1260 140 263 5120 140 812 8 200 140 166 2800 160 451 2780 120 445 8300 140 1280 9 280 140 178 2580 140 447 6300 140 986 5720 140 900 10 360 140 179 5560 140 828 6540 160 1080 9200 140 1440 11 260 120 158 4200 160 660 4580 140 670 3120 140 494 12 460 140 181 8660 160 1430 6820 120 1160 1280 140 316 13 1220 120 253 6200 160 854 9240 120 1330 400 140 185 14 1560 120 306 3820 140 577 4100 160 623 2520 120 572 15 2220 140 371 6160 160 834 1120 140 332 5980 120 686 16 3600 140 508 6420 160 901 6460 140 1020 840 140 212 17 2660 140 406 920 160 287 11600 140 1800 2600 140 442 18 6220 140 780 3720 160 633 1380 140 348 1720 120 301 19 4600 140 640 6580 180 1460 3160 140 467 500 140 199 20 9800 140 1690 6020 180 785 4980 160 820 2020 140 332 21 10100 160 2170 600 160 257 9120 160 1650 1940 140 394 22 3160 160 620 7360 140 1620 11800 140 2610 3260 140 516 23 7740 160 1770 10700 160 1590 17100 160 3180 2380 120 354 24 11300 160 1640 4820 140 770 11000 140 1800 1300 140 261 25 7520 160 1540 6100 140 941 8660 160 1310 420 120 192 26 13600 160 2650 5920 140 879 9780 120 1570 460 140 203 27 17600 160 3640 6800 160 1000 10100 160 1620 380 120 204 28 13500 180 2320 920 120 224 2360 140 460 1080 140 351 29 7160 160 1070 5600 120 713 4380 160 591 600 140 208 30 6800 160 1010 4260 140 662 7760 140 963 640 120 187 31 4200 160 567 --- --- --- 2220 140 364 480 120 198 MONTH 17600 120 852 10700 120 704 17100 120 947 12200 120 591 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02110770 A1W AT GRAND STRAND AIRPORT N. MYRTLE BEACH, SC SOURCE AGENCY USGS STATE 45 COUNTY 051 LATITUDE 334912 LONGITUDE 0784257 NAD27 DATUM 20 NGVD29 Date Processed: 2005-04-01 16:44 By mishealy APPROVED DD #15, ,PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1988 TO SEPTEMBER 1989 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN FEBRUARY MARCH APRIL MAY 1 8960 140 1140 340 180 221 160 120 129 160 100 128 2 9240 140 1190 480 180 224 200 120 136 140 100 127 3 6100 140 903 1380 180 285 160 120 130 300 120 142 4 9020 140 2360 340 180 216 160 100 117 600 120 170 5 19900 140 4720 340 200 232 160 100 107 860 100 199 6 15300 140 2870 300 200 241 140 100 107 300 120 148 7 11400 160 1930 340 200 240 140 100 112 200 120 143 8 12800 140 2480 360 260 284 140 100 114 160 100 132 9 11000 160 1640 280 200 241 140 100 106 140 100 120 10 9540 140 1480 360 140 230 160 100 111 160 100 119 11 8480 120 1180 280 140 201 160 100 123 140 100 119 12 4880 140 677 300 120 185 180 100 124 140 100 121 13 6920 140 960 240 160 190 180 100 124 160 100 120 14 1900 140 376 200 180 190 140 100 117 140 100 122 15 1720 140 348 240 180 203 120 100 102 140 100 116 16 4680 140 717 240 180 201 160 100 114 140 100 116 17 11300 140 2240 260 160 202 140 100 109 160 100 119 18 12800 180 2700 --- --- --- 160 100 109 160 100 115 19 9760 160 1380 --- --- --- 180 100 111 160 100 116 20 4060 140 570 --- --- --- 140 100 111 200 100 121 21 2040 120 319 200 120 147 160 100 113 160 100 120 22 500 120 183 200 140 168 140 100 118 180 100 122 23 560 120 202 180 140 162 140 100 110 180 100 122 24 340 120 200 200 120 150 140 100 114 180 100 122 25 460 120 215 200 120 150 160 100 111 200 100 125 26 720 120 205 200 120 147 160 100 112 180 100 135 27 180 120 136 180 120 144 140 100 117 180 100 132 28 260 120 169 180 120 141 140 100 118 800 120 205 29 --- --- --- 180 120 138 160 100 124 300 120 162 30 --- --- --- 180 120 140 160 100 125 640 100 181 31 --- --- --- 160 120 135 --- --- --- 1880 100 339 MONTH 19900 120 1200 --- --- --- 200 100 116 1880 100 141 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02110770 A1W AT GRAND STRAND AIRPORT N. MYRTLE BEACH, SC SOURCE AGENCY USGS STATE 45 COUNTY 051 LATITUDE 334912 LONGITUDE 0784257 NAD27 DATUM 20 NGVD29 Date Processed: 2005-04-01 16:44 By mishealy APPROVED DD #15, ,PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1988 TO SEPTEMBER 1989 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN JUNE JULY AUGUST SEPTEMBER 1 3320 100 588 --- --- --- 480 100 134 580 180 261 2 8260 120 1360 860 120 235 620 100 145 300 180 235 3 12200 140 1960 920 120 234 340 100 129 340 180 239 4 11300 120 1750 1460 120 259 180 100 130 300 200 235 5 9480 160 1380 1160 120 247 180 100 142 260 160 211 6 9140 160 1310 720 140 216 200 100 136 600 200 271 7 9900 160 1450 460 140 195 180 120 141 820 180 248 8 6420 120 867 340 140 191 340 120 163 --- --- --- 9 1960 160 338 960 160 275 300 140 171 240 100 126 10 300 160 183 580 140 230 180 120 149 460 100 149 11 1940 140 347 460 120 186 400 120 166 --- --- --- 12 1340 140 374 2680 120 362 1240 120 216 --- --- --- 13 480 140 196 3000 140 408 1360 100 238 4320 100 --- 14 2440 120 384 5280 160 809 1400 120 262 2840 100 457 15 3320 100 465 7000 160 1010 2820 100 449 4700 100 737 16 3280 100 465 2560 100 365 3600 100 534 5560 120 755 17 2440 140 414 2240 100 354 --- --- --- 3060 120 472 18 1940 100 343 --- --- --- --- --- --- 5900 100 891 19 2100 120 344 --- --- --- --- --- --- 5580 100 785 20 1720 100 289 5260 100 561 --- --- --- 4760 100 679 21 1240 100 231 2600 100 332 1680 100 --- 22900 140 4410 22 1140 120 209 1300 100 242 1560 100 269 49400 260 23400 23 1220 120 244 480 100 182 1360 120 243 280 140 198 24 820 120 213 340 100 157 2040 100 345 1580 100 279 25 460 120 191 740 100 189 3400 100 552 300 100 148 26 300 120 165 600 100 177 --- --- --- 200 120 156 27 840 100 193 380 100 143 --- --- --- 180 100 139 28 1500 120 306 640 100 161 --- --- --- 160 100 122 29 1880 160 373 1700 100 316 --- --- --- 200 100 128 30 5980 120 975 1120 100 228 --- --- --- 180 100 132 31 --- --- --- 300 100 122 740 180 292 --- --- --- MONTH 12200 100 597 --- --- --- --- --- --- --- --- --- 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02110770 A1W AT GRAND STRAND AIRPORT N. MYRTLE BEACH, SC SOURCE AGENCY USGS STATE 45 COUNTY 051 LATITUDE 334912 LONGITUDE 0784257 NAD27 DATUM 20 NGVD29 Date Processed: 2005-04-01 16:44 By mishealy APPROVED DD #15, ,PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1989 TO SEPTEMBER 1990 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN OCTOBER NOVEMBER DECEMBER JANUARY 1 180 100 131 280 160 200 1260 180 305 240 100 132 2 180 100 120 300 160 208 640 160 246 260 120 170 3 140 100 111 280 160 203 280 160 199 240 120 154 4 280 100 187 300 180 211 2280 180 416 180 100 129 5 280 180 217 340 180 222 2440 180 383 180 100 130 6 280 180 209 280 180 215 1360 160 334 180 100 125 7 260 180 210 280 180 210 340 180 208 200 120 135 8 240 160 189 300 180 223 2020 180 429 180 100 131 9 240 160 187 640 180 270 1220 180 311 200 120 149 10 240 140 181 960 180 298 340 160 229 180 120 142 11 200 140 171 2000 180 433 420 160 237 360 100 168 12 260 140 172 3020 180 535 780 160 255 240 100 142 13 260 140 167 4680 180 885 420 160 219 200 100 153 14 200 140 169 5060 180 891 340 160 225 200 120 165 15 200 140 168 4700 180 771 460 140 194 200 100 147 16 200 140 163 700 180 271 280 120 174 200 100 140 17 200 120 168 1560 160 418 260 160 191 200 100 137 18 240 160 179 900 180 302 240 160 186 200 100 131 19 200 140 180 360 200 243 200 160 178 --- --- --- 20 200 140 165 300 160 222 240 120 179 --- --- --- 21 240 140 179 340 160 209 200 120 164 160 100 122 22 240 140 177 580 180 261 200 120 174 200 100 137 23 280 160 189 300 180 224 200 100 148 180 100 150 24 260 160 183 460 180 268 180 100 146 180 100 133 25 260 140 184 960 180 312 200 100 151 180 100 130 26 260 160 189 900 160 261 200 100 152 240 100 149 27 260 160 200 640 160 238 200 100 142 240 100 176 28 260 160 193 460 160 219 200 100 139 200 100 162 29 280 160 198 620 160 219 200 100 147 200 100 142 30 260 160 204 1280 160 321 180 100 141 200 120 151 31 260 180 210 --- --- --- 160 100 117 240 120 161 MONTH 280 100 179 5060 160 325 2440 100 217 --- --- --- 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02110770 A1W AT GRAND STRAND AIRPORT N. MYRTLE BEACH, SC SOURCE AGENCY USGS STATE 45 COUNTY 051 LATITUDE 334912 LONGITUDE 0784257 NAD27 DATUM 20 NGVD29 Date Processed: 2005-04-01 16:44 By mishealy APPROVED DD #15, ,PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1989 TO SEPTEMBER 1990 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN FEBRUARY MARCH APRIL MAY 1 200 100 159 260 120 174 260 100 156 700 100 185 2 200 100 145 260 120 169 240 100 161 800 100 230 3 240 100 154 200 100 150 240 100 174 960 100 245 4 260 120 149 240 100 168 260 100 193 420 100 168 5 240 120 163 240 100 176 240 100 174 280 100 148 6 260 120 186 240 100 169 200 100 159 2000 100 378 7 240 120 157 260 100 180 240 100 175 1820 140 327 8 240 120 162 260 140 188 260 100 202 840 100 217 9 240 120 152 240 100 163 260 100 188 1500 100 276 10 240 100 144 240 100 159 200 100 152 400 100 178 11 300 100 163 200 100 159 200 100 147 780 100 202 12 240 120 169 200 100 146 240 100 172 1380 100 221 13 240 120 172 200 100 151 240 100 161 1460 100 237 14 200 100 154 240 100 157 200 100 142 240 100 140 15 240 120 153 240 100 144 160 100 119 680 100 187 16 240 120 154 240 100 141 180 100 129 480 100 172 17 240 120 150 200 100 140 200 100 134 240 100 145 18 200 120 152 240 100 165 240 100 141 240 100 157 19 180 140 148 240 100 179 240 100 164 460 100 179 20 300 120 169 260 120 194 200 100 148 740 100 192 21 240 120 177 260 100 202 200 100 139 1620 100 302 22 200 120 148 260 100 196 700 100 187 5880 100 1040 23 180 100 139 240 100 166 560 100 197 15400 160 2840 24 240 120 166 240 100 173 1020 100 233 8360 120 1560 25 260 120 176 340 100 187 1340 100 256 6660 120 891 26 260 140 196 580 140 223 2020 100 279 6940 100 919 27 260 100 184 720 100 240 1920 100 282 7520 100 967 28 260 100 181 1160 120 249 2000 100 301 7260 100 1370 29 --- --- --- 1120 120 226 1940 100 309 --- --- --- 30 --- --- --- 240 100 170 960 100 191 --- --- --- 31 --- --- --- 200 100 155 --- --- --- --- --- --- MONTH 300 100 162 1160 100 176 2020 100 186 --- --- --- 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02110770 A1W AT GRAND STRAND AIRPORT N. MYRTLE BEACH, SC SOURCE AGENCY USGS STATE 45 COUNTY 051 LATITUDE 334912 LONGITUDE 0784257 NAD27 DATUM 20 NGVD29 Date Processed: 2005-04-01 16:44 By mishealy APPROVED DD #15, ,PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1989 TO SEPTEMBER 1990 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN JUNE JULY AUGUST SEPTEMBER 1 --- --- --- 9780 100 1620 13300 120 2450 3680 120 570 2 --- --- --- 17100 100 3730 12400 180 2360 3360 100 498 3 --- --- --- 19400 100 4750 9780 100 1630 --- --- --- 4 --- --- --- 11900 100 2280 7220 100 1160 2680 140 474 5 --- --- --- 9420 100 1530 9840 100 1620 4620 100 719 6 --- --- --- 16400 100 2870 12900 120 2240 4880 120 967 7 --- --- --- 23900 200 5410 11600 240 2710 5820 140 911 8 480 100 157 21300 180 6820 8320 200 1440 5940 180 997 9 360 100 145 19000 100 3750 6420 180 648 12800 240 2860 10 280 100 135 15800 100 2490 1060 180 359 12000 240 2660 11 340 100 147 13700 140 3070 1620 140 424 9420 180 1690 12 340 100 161 15600 180 3390 2100 180 420 9700 180 1760 13 460 100 169 16200 240 4580 2560 160 460 9080 160 1580 14 200 100 142 21100 340 7450 4460 140 773 9120 200 1610 15 280 100 151 20200 280 6490 6260 140 1100 9460 160 1830 16 580 100 200 16000 180 3570 11800 120 2370 12700 140 2950 17 400 100 166 16100 180 3380 14800 140 3420 12800 180 2770 18 2060 100 334 18000 160 3810 9980 140 1880 8900 180 2190 19 4420 100 692 18300 160 4130 6080 120 968 9520 180 1990 20 12200 100 2210 18500 120 4040 3680 100 620 8560 180 1590 21 12600 100 2390 16200 140 3480 6020 120 842 12700 240 2720 22 13300 100 2370 15300 160 2850 9780 200 2000 7420 200 1300 23 15600 100 2280 15900 140 3490 9800 200 2000 5220 240 818 24 19700 100 3620 15600 260 3050 2720 180 561 6200 240 868 25 20100 160 4290 12200 200 2540 560 140 244 5700 200 781 26 17000 180 3770 14200 260 3890 460 180 228 7780 200 1000 27 14900 160 2800 14700 260 3650 1660 180 321 10100 200 1700 28 9440 140 1580 5380 240 1070 5940 140 787 12200 200 2160 29 7380 100 1180 6800 180 949 9760 120 1450 10600 200 2140 30 6340 100 925 7200 140 880 13400 120 2160 7980 240 1480 31 --- --- --- 5260 100 648 6040 160 970 --- --- --- MONTH --- --- --- 23900 100 3410 14800 100 1310 --- --- --- 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02110770 A1W AT GRAND STRAND AIRPORT N. MYRTLE BEACH, SC SOURCE AGENCY USGS STATE 45 COUNTY 051 LATITUDE 334912 LONGITUDE 0784257 NAD27 DATUM 20 NGVD29 Date Processed: 2005-04-01 16:44 By mishealy APPROVED DD #15, ,PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1990 TO SEPTEMBER 1991 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN OCTOBER NOVEMBER DECEMBER JANUARY 1 7140 160 1130 160 102 111 6210 172 961 3290 122 579 2 8800 167 1850 152 105 116 4840 170 793 792 124 190 3 12300 175 2630 153 103 113 10100 166 1870 1040 122 206 4 17000 216 4280 109 94 100 4590 165 569 566 122 178 5 13400 188 3460 125 86 95 1620 158 316 188 116 140 6 21400 210 7360 111 82 90 6040 158 946 160 114 124 7 21000 238 5220 101 81 86 3560 152 516 158 114 122 8 20000 227 5040 94 80 84 475 135 203 156 114 126 9 19200 224 4920 142 93 101 205 134 155 150 114 124 10 26400 284 8980 167 99 106 215 137 154 150 114 126 11 21400 168 4330 112 92 99 203 132 151 2560 114 347 12 343 152 196 147 114 134 212 126 144 168 108 119 13 235 138 167 183 145 155 180 125 136 148 116 126 14 198 137 152 208 150 160 277 127 148 168 112 127 15 181 143 155 224 144 162 540 131 175 140 114 121 16 200 131 150 171 145 152 188 123 139 200 112 128 17 273 128 151 166 145 153 962 130 221 192 116 130 18 254 130 150 188 144 158 897 133 203 180 114 127 19 175 126 141 203 147 158 475 125 173 166 114 124 20 171 125 141 208 142 156 2940 129 446 152 106 112 21 160 119 131 226 140 158 316 127 161 122 96 102 22 148 122 129 222 138 156 280 140 163 128 94 103 23 171 115 123 184 140 152 230 136 158 122 86 95 24 149 109 119 202 144 160 226 134 152 126 82 90 25 125 106 116 202 148 160 326 138 169 130 82 90 26 133 96 108 216 152 168 612 136 192 134 82 89 27 118 93 99 236 158 175 658 130 185 136 80 87 28 121 95 105 848 160 224 370 128 158 128 80 86 29 108 91 95 902 158 232 966 126 219 122 82 94 30 108 92 96 1580 166 447 1710 126 316 130 92 98 31 144 100 105 --- --- --- 1480 124 265 102 94 96 MONTH 26400 91 1670 1580 80 151 10100 123 341 3290 80 142 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02110770 A1W AT GRAND STRAND AIRPORT N. MYRTLE BEACH, SC SOURCE AGENCY USGS STATE 45 COUNTY 051 LATITUDE 334912 LONGITUDE 0784257 NAD27 DATUM 20 NGVD29 Date Processed: 2005-04-01 16:44 By mishealy APPROVED DD #15, ,PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1990 TO SEPTEMBER 1991 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN FEBRUARY MARCH APRIL MAY 1 126 92 98 288 118 148 168 106 126 174 96 112 2 136 84 95 202 114 134 174 104 127 168 94 113 3 96 90 94 178 116 131 166 106 124 146 90 105 4 100 90 94 190 122 135 174 104 121 168 92 105 5 100 86 93 192 118 135 182 104 117 156 92 105 6 128 90 96 174 114 128 178 104 118 140 92 102 7 180 94 104 192 112 123 162 106 118 150 94 105 8 174 96 108 178 114 129 170 102 116 146 102 112 9 146 94 105 134 112 120 148 102 111 148 102 118 10 130 94 103 158 106 121 122 100 106 124 96 108 11 134 96 105 180 108 121 114 100 105 262 106 130 12 140 94 104 138 106 116 146 94 106 184 102 122 13 150 100 110 156 102 111 140 90 100 372 100 135 14 144 96 107 156 96 107 114 84 91 854 104 177 15 188 102 111 134 96 108 130 86 97 340 106 139 16 150 104 115 134 92 102 134 86 98 536 104 136 17 172 104 118 136 90 97 158 92 102 594 104 147 18 192 104 116 112 84 92 162 96 107 162 100 116 19 192 106 116 118 90 96 158 104 116 174 108 125 20 156 104 115 122 90 97 150 106 118 268 106 136 21 156 106 118 124 92 97 144 106 117 162 104 118 22 148 112 120 124 90 97 144 106 116 150 102 113 23 162 116 127 126 94 101 168 108 119 520 100 114 24 172 116 130 136 94 104 170 106 120 144 100 114 25 172 118 130 162 100 112 152 108 123 194 94 121 26 194 124 139 150 100 111 162 108 122 292 104 137 27 188 122 140 150 102 112 168 106 121 216 102 130 28 224 118 140 168 102 115 180 102 121 234 102 132 29 --- --- --- 172 104 119 188 100 124 862 104 175 30 --- --- --- 158 106 119 192 104 122 582 112 168 31 --- --- --- 194 108 134 --- --- --- 528 108 154 MONTH 224 84 113 288 84 115 192 84 114 862 90 127 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02110770 A1W AT GRAND STRAND AIRPORT N. MYRTLE BEACH, SC SOURCE AGENCY USGS STATE 45 COUNTY 051 LATITUDE 334912 LONGITUDE 0784257 NAD27 DATUM 20 NGVD29 Date Processed: 2005-04-01 16:44 By mishealy APPROVED DD #15, ,PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1990 TO SEPTEMBER 1991 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN JUNE JULY AUGUST SEPTEMBER 1 174 108 129 604 130 187 592 202 283 114 82 93 2 184 104 126 940 138 267 380 182 227 180 86 103 3 162 108 123 1800 140 357 192 177 182 160 92 105 4 168 112 124 3120 148 532 255 171 188 174 86 103 5 424 118 167 3990 148 569 292 162 188 194 86 105 6 296 116 144 4820 146 738 359 157 185 326 90 116 7 192 108 132 5510 148 861 318 134 165 590 90 148 8 214 102 127 4930 144 826 760 122 193 424 92 148 9 654 104 161 6310 136 1000 382 116 157 360 92 136 10 1770 106 329 9020 138 1440 184 106 131 182 90 105 11 3260 106 539 9440 162 1480 230 112 131 136 84 98 12 4030 112 590 12400 162 1910 216 104 125 212 86 106 13 11300 116 1180 10800 156 1590 128 102 112 268 92 117 14 13400 144 2340 8860 146 911 116 100 105 156 86 101 15 14000 144 2160 1880 140 361 116 96 103 322 86 117 16 10400 144 1760 766 134 258 108 94 99 534 90 134 17 9500 146 1710 590 130 209 112 92 98 944 92 164 18 3980 140 764 1010 134 229 108 92 98 2210 96 286 19 3320 138 551 1250 138 267 104 90 94 2130 102 272 20 1720 136 326 2340 138 392 96 84 90 2670 106 420 21 3080 134 470 2380 136 367 100 86 92 6890 122 1210 22 5060 134 770 3910 144 595 114 90 95 3330 126 759 23 4500 140 708 6420 148 970 114 84 95 864 114 247 24 14700 156 2890 6700 148 1070 122 84 94 1750 112 363 25 8850 156 1700 6670 148 1050 124 90 98 2370 108 363 26 4900 146 641 9480 145 1450 108 86 93 1550 106 269 27 1290 130 241 10400 152 1780 124 86 96 2530 108 399 28 548 118 177 9800 151 1550 116 84 95 3570 114 541 29 664 122 173 7460 146 759 114 84 93 952 108 212 30 710 128 187 1950 174 350 114 84 92 952 104 189 31 --- --- --- 882 200 330 104 84 91 --- --- --- MONTH 14700 102 715 12400 130 795 760 84 129 6890 82 251 YEAR 26400 80 392 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02110770 A1W AT GRAND STRAND AIRPORT N. MYRTLE BEACH, SC SOURCE AGENCY USGS STATE 45 COUNTY 051 LATITUDE 334912 LONGITUDE 0784257 NAD27 DATUM 20 NGVD29 Date Processed: 2005-04-01 16:44 By mishealy APPROVED DD #15, ,PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1991 TO SEPTEMBER 1992 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN OCTOBER NOVEMBER DECEMBER JANUARY 1 2210 104 336 21700 156 7250 --- --- --- 4120 140 567 2 6080 114 985 25900 412 9320 --- --- --- 2710 138 400 3 680 116 210 10600 150 1430 --- --- --- 3820 136 559 4 3280 120 496 2460 122 344 1640 146 321 738 128 188 5 2780 120 525 4430 116 678 7810 152 1710 334 134 174 6 2460 120 416 7870 128 1250 13600 168 2250 3740 140 506 7 3360 120 636 8690 128 1270 5620 156 784 730 144 199 8 6360 120 900 8060 136 1220 1970 146 329 214 130 149 9 3080 124 414 9470 138 1380 2160 138 343 152 118 131 10 1040 116 220 9090 144 1180 3260 140 498 160 114 123 11 1140 114 213 1500 140 242 3500 146 556 152 116 128 12 980 112 201 5300 128 659 442 134 181 192 112 127 13 1710 116 258 602 124 189 256 126 153 202 102 121 14 1810 114 265 328 122 150 258 122 147 842 104 153 15 1250 114 196 282 124 148 382 126 167 204 108 123 16 2030 108 251 246 116 152 524 134 194 140 108 119 17 1240 112 242 1070 116 260 1750 136 306 836 108 201 18 314 108 139 1460 122 306 1390 138 305 1170 106 265 19 404 104 155 1400 118 278 4200 138 749 1130 106 215 20 1010 104 241 2630 122 437 8950 148 1930 --- --- --- 21 2410 112 392 3670 124 653 14100 166 2400 462 104 181 22 1510 106 277 7330 130 1210 14300 156 3130 470 104 146 23 2540 104 427 5680 134 917 17600 166 3380 2820 100 399 24 4160 106 682 5020 138 697 7830 150 1310 126 102 110 25 7200 112 1250 4440 136 770 13600 160 2800 128 102 112 26 9910 118 1740 8330 144 1380 13300 172 2980 136 104 109 27 11200 124 1960 5320 144 803 7160 152 957 144 100 109 28 11300 126 1980 4150 146 666 5290 144 827 130 96 105 29 8930 126 1460 4260 144 790 2320 138 312 144 96 106 30 5170 124 666 4390 144 700 1080 138 245 136 96 108 31 13400 122 2470 --- --- --- 3690 144 534 126 92 103 MONTH 13400 104 665 25900 116 1220 --- --- --- --- --- --- 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02110770 A1W AT GRAND STRAND AIRPORT N. MYRTLE BEACH, SC SOURCE AGENCY USGS STATE 45 COUNTY 051 LATITUDE 334912 LONGITUDE 0784257 NAD27 DATUM 20 NGVD29 Date Processed: 2005-04-01 16:44 By mishealy APPROVED DD #15, ,PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1991 TO SEPTEMBER 1992 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN FEBRUARY MARCH APRIL MAY 1 126 96 107 150 96 111 130 100 112 124 86 101 2 128 94 105 224 94 107 136 100 111 112 90 99 3 122 92 103 124 92 104 180 100 116 122 84 96 4 140 92 104 150 100 114 138 96 109 128 84 96 5 192 92 110 136 104 116 138 94 106 122 84 95 6 240 96 127 118 86 102 138 96 107 106 84 93 7 140 94 107 122 86 98 150 100 108 116 90 95 8 114 92 100 108 86 99 188 96 112 114 92 97 9 130 90 99 124 86 99 558 100 144 114 90 97 10 126 92 100 228 84 96 290 102 127 118 96 103 11 156 90 103 112 86 94 270 102 126 122 82 98 12 124 92 98 246 90 98 270 104 133 368 82 112 13 280 94 115 168 90 96 2960 104 505 354 90 128 14 238 92 108 108 90 98 1330 112 303 216 84 109 15 942 96 193 112 90 98 1780 108 309 150 82 101 16 1350 96 232 118 90 100 1990 106 320 468 90 125 17 2630 102 679 266 90 137 2150 104 319 870 100 163 18 2840 104 403 296 86 158 2860 102 365 848 96 159 19 1340 104 260 134 86 100 4400 116 485 848 102 157 20 524 104 162 634 90 128 4900 122 698 936 106 182 21 470 104 162 634 92 128 4240 122 561 1620 108 271 22 484 104 159 170 90 106 1090 106 215 480 112 157 23 564 106 165 156 90 106 188 108 125 274 106 135 24 422 104 172 184 90 105 160 106 120 266 106 140 25 138 106 117 130 92 99 158 108 119 4370 114 625 26 152 104 113 114 90 98 152 106 119 4550 126 776 27 182 104 118 118 100 105 190 106 123 2920 124 426 28 144 106 116 114 100 107 244 100 125 7340 128 1140 29 118 102 109 248 102 113 492 100 154 11100 150 2150 30 --- --- --- 140 100 114 160 96 112 896 106 157 31 --- --- --- 140 100 112 --- --- --- 126 94 107 MONTH 2840 90 160 634 84 108 4900 94 216 11100 82 271 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02110770 A1W AT GRAND STRAND AIRPORT N. MYRTLE BEACH, SC SOURCE AGENCY USGS STATE 45 COUNTY 051 LATITUDE 334912 LONGITUDE 0784257 NAD27 DATUM 20 NGVD29 Date Processed: 2005-04-01 16:44 By mishealy APPROVED DD #15, ,PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1991 TO SEPTEMBER 1992 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN JUNE JULY AUGUST SEPTEMBER 1 190 112 129 188 86 104 --- --- --- 78 48 60 2 314 116 141 912 84 130 --- --- --- 84 50 63 3 380 136 153 942 96 175 --- --- --- 80 56 64 4 422 156 182 590 100 161 --- --- --- 160 52 62 5 216 162 174 200 100 125 --- --- --- 160 56 73 6 188 168 175 202 96 125 --- --- --- 160 52 62 7 184 152 164 1000 100 190 --- --- --- 86 56 64 8 166 146 155 4420 108 617 --- --- --- 80 56 66 9 166 140 149 5200 180 756 --- --- --- 84 56 72 10 170 146 153 10700 300 1590 --- --- --- 90 62 79 11 172 148 157 20100 460 2960 --- --- --- 140 68 79 12 182 156 166 18200 460 2890 --- --- --- 160 64 79 13 172 146 162 25700 460 3920 --- --- --- 180 52 74 14 166 148 155 38300 480 5220 4220 152 660 188 60 90 15 160 144 149 28200 360 5020 2480 138 385 135 62 88 16 156 140 147 36400 480 5050 974 138 220 119 71 91 17 156 136 145 37000 500 5720 260 108 137 180 100 136 18 152 136 143 --- --- --- 140 100 119 620 120 191 19 152 138 143 --- --- --- 240 96 136 800 140 214 20 150 136 143 --- --- --- 240 86 122 2220 140 400 21 156 136 144 --- --- --- 114 80 95 1720 140 373 22 --- --- --- --- --- --- 112 74 89 3240 140 527 23 --- --- --- --- --- --- 104 72 83 3440 160 764 24 140 80 88 --- --- --- 96 62 76 13000 200 2650 25 100 78 84 --- --- --- 92 60 72 11600 280 3370 26 92 78 84 --- --- --- 82 60 71 9120 200 1620 27 114 82 90 --- --- --- 84 58 69 8360 200 1310 28 318 86 111 --- --- --- 90 58 68 4700 200 879 29 626 86 148 --- --- --- 80 52 64 2140 200 450 30 484 90 132 --- --- --- 80 42 60 3840 240 646 31 --- --- --- --- --- --- 80 42 59 --- --- --- MONTH --- --- --- --- --- --- --- --- --- 13000 48 490 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02110770 A1W AT GRAND STRAND AIRPORT N. MYRTLE BEACH, SC SOURCE AGENCY USGS STATE 45 COUNTY 051 LATITUDE 334912 LONGITUDE 0784257 NAD27 DATUM 20 NGVD29 Date Processed: 2005-04-01 16:44 By mishealy APPROVED DD #15, ,PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1992 TO SEPTEMBER 1993 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN OCTOBER NOVEMBER DECEMBER JANUARY 1 1130 103 227 2300 138 454 132 114 123 134 98 108 2 2180 105 239 1810 138 238 132 114 122 152 104 115 3 3840 119 375 146 118 133 132 113 121 144 92 109 4 2400 145 270 184 116 130 135 111 119 142 90 102 5 154 125 138 --- --- --- 115 103 112 124 92 101 6 2580 114 322 --- --- --- 119 107 112 136 108 112 7 530 122 175 --- --- --- 122 102 110 142 104 113 8 238 124 145 --- --- --- 116 102 109 126 102 108 9 160 118 133 --- --- --- 116 102 108 132 100 108 10 134 94 114 564 138 182 114 100 105 124 98 105 11 122 92 102 367 119 155 115 101 105 116 90 96 12 128 80 96 463 115 153 125 101 107 102 88 90 13 128 80 99 139 119 128 125 103 109 --- --- --- 14 124 80 101 395 131 164 121 103 109 --- --- --- 15 118 94 104 358 142 165 116 104 107 --- --- --- 16 114 96 102 274 146 164 116 92 100 --- --- --- 17 116 96 106 158 136 147 122 90 94 --- --- --- 18 116 102 108 152 124 136 112 88 94 --- --- --- 19 148 102 111 209 117 134 120 90 96 72 70 71 20 --- --- --- 381 125 148 110 88 94 76 68 72 21 --- --- --- 2120 131 218 114 92 98 72 68 70 22 206 100 121 240 128 144 112 94 103 76 66 72 23 350 106 133 138 118 126 110 94 102 80 66 73 24 1150 114 171 134 120 127 124 98 106 78 64 71 25 962 116 189 142 122 130 212 102 116 76 68 71 26 1080 118 200 149 127 132 124 100 108 76 68 71 27 340 116 140 149 129 134 188 100 111 78 70 74 28 526 118 170 143 123 132 132 100 108 78 68 75 29 2900 126 376 141 127 133 144 104 114 76 70 74 30 944 130 221 136 120 129 134 102 111 82 72 77 31 414 128 172 --- --- --- 126 102 107 82 70 77 MONTH --- --- --- --- --- --- 212 88 108 --- --- --- 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02110770 A1W AT GRAND STRAND AIRPORT N. MYRTLE BEACH, SC SOURCE AGENCY USGS STATE 45 COUNTY 051 LATITUDE 334912 LONGITUDE 0784257 NAD27 DATUM 20 NGVD29 Date Processed: 2005-04-01 16:44 By mishealy APPROVED DD #15, ,PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1992 TO SEPTEMBER 1993 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN FEBRUARY MARCH APRIL MAY 1 78 70 75 --- --- --- 118 86 94 106 82 90 2 100 71 78 --- --- --- 102 86 92 102 82 90 3 107 68 77 --- --- --- 106 80 92 114 86 94 4 95 67 77 --- --- --- 106 86 94 168 86 102 5 97 67 77 --- --- --- 120 90 99 268 90 111 6 96 72 75 --- --- --- 108 90 95 512 90 131 7 95 74 79 --- --- --- 102 80 89 630 94 133 8 98 76 81 --- --- --- 96 76 87 550 98 128 9 105 75 82 --- --- --- 132 80 90 464 96 130 10 94 75 80 --- --- --- 104 84 92 202 96 117 11 110 74 82 --- --- --- 99 83 90 138 96 109 12 103 81 88 --- --- --- 99 85 89 134 96 108 13 101 83 89 --- --- --- 97 79 89 128 96 109 14 109 83 91 --- --- --- 98 78 89 194 100 117 15 110 86 94 --- --- --- 96 82 89 198 102 125 16 107 87 93 --- --- --- 100 84 90 162 102 117 17 119 87 96 --- --- --- 103 85 91 150 98 112 18 122 92 102 --- --- --- 99 83 89 288 102 129 19 135 91 105 --- --- --- 97 81 88 758 106 174 20 121 91 101 108 78 88 92 76 85 2550 114 402 21 130 91 101 108 80 88 92 76 84 5060 122 708 22 118 84 96 122 82 89 92 76 85 1550 118 261 23 115 87 95 110 82 89 91 75 83 1460 114 227 24 200 87 106 112 84 90 91 75 82 1410 114 216 25 --- --- --- 110 84 92 95 75 81 1330 118 230 26 --- --- --- 124 84 94 88 72 79 802 122 219 27 --- --- --- 110 82 93 104 72 82 1740 130 470 28 --- --- --- 100 84 91 100 80 86 3220 130 663 29 --- --- --- 96 80 90 94 78 85 2600 130 559 30 --- --- --- 100 80 90 92 78 86 5540 128 994 31 --- --- --- 104 86 91 --- --- --- 5790 136 1130 MONTH --- --- --- --- --- --- 132 72 88 5790 82 268 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02110770 A1W AT GRAND STRAND AIRPORT N. MYRTLE BEACH, SC SOURCE AGENCY USGS STATE 45 COUNTY 051 LATITUDE 334912 LONGITUDE 0784257 NAD27 DATUM 20 NGVD29 Date Processed: 2005-04-01 16:44 By mishealy APPROVED DD #15, ,PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1992 TO SEPTEMBER 1993 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN JUNE JULY AUGUST SEPTEMBER 1 4970 126 788 17300 194 4360 12900 218 3280 11800 210 2760 2 6170 124 977 16400 214 4250 9620 210 1860 13300 222 3610 3 4410 124 661 11800 186 2420 6620 204 1330 11700 204 2060 4 3690 124 542 10400 178 1710 5740 190 1100 8410 200 1780 5 4470 130 625 15300 210 2880 11800 196 1750 8490 196 1590 6 10900 140 1200 16400 262 4440 12600 216 3300 4930 186 794 7 11100 152 1720 17100 296 4850 6260 194 1330 9020 186 1470 8 7900 146 933 16100 272 4070 12300 210 3050 11200 192 2240 9 1880 146 387 12400 288 2940 9170 198 2080 11500 194 2150 10 2030 146 444 6150 266 1510 6830 188 1210 7080 188 976 11 1870 146 511 6550 254 1210 --- --- --- 10900 188 2070 12 5300 156 1110 8010 230 1660 --- --- --- 13400 196 3160 13 2670 152 581 5440 234 1020 --- --- --- 15300 220 4080 14 6260 150 963 6230 240 1220 5520 168 910 14200 228 4050 15 3420 144 473 5980 278 1360 9440 180 1780 14800 232 4230 16 3640 136 546 20000 194 5000 8850 182 1600 17100 238 5110 17 6310 138 1050 22600 290 7570 8490 184 1540 18900 250 5300 18 7850 144 1370 22800 318 6930 9060 176 1540 20500 256 6020 19 8940 148 1510 21700 294 6300 20500 196 4630 23800 318 7670 20 7040 150 1150 19100 260 5070 20800 340 6950 22900 362 7280 21 6530 148 886 22200 350 6340 17400 240 4030 9830 196 1720 22 7160 144 1020 22600 436 7370 12700 206 2880 4150 178 648 23 9550 170 1730 --- --- --- 9930 204 2500 6470 174 932 24 13500 196 3570 --- --- --- 6650 186 1020 3620 170 560 25 13300 172 2590 --- --- --- 5210 176 792 7220 172 1170 26 7280 166 1600 --- --- --- 5710 174 911 2740 174 569 27 7720 158 1410 --- --- --- 6200 174 997 580 100 216 28 9090 160 1680 7950 180 1460 7810 182 1380 400 184 230 29 10300 166 2140 9970 180 1980 9340 178 1690 830 194 260 30 13600 174 3010 15900 198 3570 11300 194 2570 764 196 276 31 --- --- --- 17400 230 4510 15300 234 4070 --- --- --- MONTH 13600 124 1240 --- --- --- --- --- --- 23800 100 2500 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02110770 A1W AT GRAND STRAND AIRPORT N. MYRTLE BEACH, SC SOURCE AGENCY USGS STATE 45 COUNTY 051 LATITUDE 334912 LONGITUDE 0784257 NAD27 DATUM 20 NGVD29 Date Processed: 2005-04-01 16:44 By mishealy APPROVED DD #15, ,PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1993 TO SEPTEMBER 1994 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN OCTOBER NOVEMBER DECEMBER JANUARY 1 6600 198 1320 340 178 202 7910 184 1400 2640 188 491 2 3940 200 500 1620 182 362 7380 188 1100 810 182 296 3 1800 180 414 2370 186 417 3940 178 635 1400 182 391 4 6920 190 1130 912 184 269 2170 172 372 4180 168 540 5 5980 206 1000 1560 180 368 714 162 224 344 172 202 6 10800 212 1850 1750 184 368 1000 166 293 1940 172 359 7 11700 220 2170 572 190 238 3240 172 725 1480 170 303 8 860 184 310 384 186 218 2950 174 657 1160 168 271 9 1500 174 336 618 180 216 3730 176 803 1420 166 320 10 2460 172 423 2580 180 419 7890 182 1330 2110 158 409 11 3860 160 798 3930 184 554 3340 176 504 1460 168 308 12 5920 224 1030 2530 194 377 3270 174 886 1350 162 278 13 10200 220 1770 4850 184 541 10000 184 2430 1450 162 333 14 16600 220 3260 5390 186 883 8820 190 2230 542 166 222 15 19200 300 4470 1180 188 303 7400 178 1130 230 146 178 16 21800 440 5110 --- --- --- 2740 168 579 810 150 234 17 12100 520 2760 --- --- --- 9930 178 1690 344 152 201 18 8080 240 1250 --- --- --- 5030 180 778 200 136 155 19 7200 200 1080 --- --- --- 570 172 231 204 144 163 20 6980 230 1020 --- --- --- 372 158 192 184 144 164 21 2280 206 387 --- --- --- 414 152 185 182 142 161 22 2660 198 425 --- --- --- 232 150 175 184 142 162 23 2940 128 447 --- --- --- 634 156 229 198 144 160 24 2060 212 426 --- --- --- 440 152 198 208 150 165 25 1560 200 329 --- --- --- 342 154 186 222 150 166 26 2480 132 439 --- --- --- 234 156 174 312 152 175 27 1020 190 302 --- --- --- 978 154 272 1380 156 338 28 3760 140 675 3160 172 460 1810 160 434 830 150 227 29 7400 220 1220 3280 170 650 4260 188 827 184 148 160 30 10600 202 1800 7780 178 1400 3080 188 552 200 150 167 31 360 180 219 --- --- --- 3040 172 548 200 152 167 MONTH 21800 128 1250 --- --- --- 10000 150 709 4180 136 254 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02110770 A1W AT GRAND STRAND AIRPORT N. MYRTLE BEACH, SC SOURCE AGENCY USGS STATE 45 COUNTY 051 LATITUDE 334912 LONGITUDE 0784257 NAD27 DATUM 20 NGVD29 Date Processed: 2005-04-01 16:44 By mishealy APPROVED DD #15, ,PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1993 TO SEPTEMBER 1994 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN FEBRUARY MARCH APRIL MAY 1 194 150 162 212 124 150 188 140 160 972 130 220 2 --- --- --- 222 118 147 184 134 161 623 135 224 3 --- --- --- 162 94 121 178 126 150 3780 155 935 4 --- --- --- 122 94 104 158 126 144 1910 146 334 5 --- --- --- 124 98 108 166 128 151 697 139 231 6 --- --- --- 132 102 120 162 126 143 1220 142 345 7 --- --- --- 130 100 116 156 118 133 1340 138 324 8 159 135 144 126 90 104 166 124 146 713 131 225 9 152 130 140 122 92 101 164 126 145 3570 140 608 10 175 129 145 124 94 101 156 116 134 3970 141 666 11 162 132 145 142 94 109 144 108 125 10500 155 1590 12 175 129 141 150 90 111 150 116 130 10100 146 1310 13 176 120 135 126 84 103 150 108 128 5330 155 770 14 179 119 133 128 86 100 134 108 118 4750 140 533 15 168 120 133 128 88 99 156 114 123 1020 127 229 16 157 119 132 108 88 94 134 114 123 359 123 165 17 166 122 134 106 88 98 134 118 125 1000 138 306 18 152 121 131 108 90 97 144 120 130 7360 153 1730 19 155 119 129 124 92 98 --- --- --- 10600 172 2980 20 142 118 128 128 98 106 --- --- --- 14600 196 4180 21 145 115 126 128 100 107 --- --- --- 15800 205 4300 22 --- --- --- 134 102 115 --- --- --- 22000 238 6290 23 --- --- --- 140 110 122 --- --- --- 11600 199 3180 24 164 118 134 132 110 119 --- --- --- 9080 166 1500 25 --- --- --- 138 106 121 --- --- --- 10500 163 1640 26 206 128 151 256 114 146 --- --- --- 11900 162 1870 27 228 128 159 218 118 162 --- --- --- 16300 178 2620 28 228 128 159 196 114 144 --- --- --- 18800 391 7240 29 --- --- --- 172 112 138 1410 127 252 24900 276 5840 30 --- --- --- 188 138 159 1300 127 259 13300 247 2800 31 --- --- --- 270 128 167 --- --- --- 13900 234 3050 MONTH --- --- --- 270 84 119 --- --- --- 24900 123 1880 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02110770 A1W AT GRAND STRAND AIRPORT N. MYRTLE BEACH, SC SOURCE AGENCY USGS STATE 45 COUNTY 051 LATITUDE 334912 LONGITUDE 0784257 NAD27 DATUM 20 NGVD29 Date Processed: 2005-04-01 16:44 By mishealy APPROVED DD #15, ,PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1993 TO SEPTEMBER 1994 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN JUNE JULY AUGUST SEPTEMBER 1 4790 205 759 635 199 265 560 162 212 146 112 125 2 3380 187 575 501 207 254 2020 152 326 512 118 161 3 12700 198 2790 239 198 217 376 152 188 256 122 143 4 8860 217 2300 220 200 210 430 156 187 348 116 157 5 3930 193 728 234 195 205 730 156 206 406 118 169 6 6670 188 1050 209 199 204 1820 152 370 276 112 147 7 6230 186 1110 3350 166 543 1290 148 329 192 106 128 8 8290 177 1380 2070 172 411 1280 152 319 198 104 125 9 18400 211 3600 2490 170 433 1100 150 266 422 108 147 10 17100 242 4160 4380 172 604 532 144 193 284 108 135 11 12900 205 1740 5020 178 762 262 136 167 444 110 145 12 8160 185 1040 5020 180 1010 336 140 171 824 114 185 13 5430 176 830 6110 190 1190 808 140 220 506 118 164 14 3600 175 666 5270 194 1190 1360 140 277 816 122 192 15 1470 169 388 3680 182 821 1270 140 273 2650 128 486 16 656 165 260 5930 178 1030 2480 138 496 3770 132 625 17 390 166 200 9180 186 2030 3110 146 569 1500 136 379 18 676 168 238 9870 184 1930 2970 152 563 794 130 249 19 853 173 240 14900 194 3580 3880 154 732 1570 138 417 20 200 179 187 18700 234 5210 2360 154 494 1900 142 405 21 260 184 194 11900 198 2730 800 144 244 528 136 200 22 208 188 198 9800 188 1930 440 144 209 320 138 169 23 337 196 227 9810 186 1780 478 140 212 290 124 158 24 298 201 227 9240 180 1150 390 134 178 566 126 191 25 292 208 221 5330 166 537 226 128 157 180 122 135 26 426 202 244 840 154 256 172 128 139 166 118 127 27 365 200 226 390 156 211 150 122 131 160 114 125 28 461 200 237 378 158 212 140 122 130 172 112 135 29 220 196 206 334 158 202 148 118 128 310 106 133 30 712 199 249 292 160 184 140 118 130 184 100 117 31 --- --- --- 266 162 183 148 114 129 --- --- --- MONTH 18400 165 882 18700 154 1020 3880 114 269 3770 100 206 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02110770 A1W AT GRAND STRAND AIRPORT N. MYRTLE BEACH, SC SOURCE AGENCY USGS STATE 45 COUNTY 051 LATITUDE 334912 LONGITUDE 0784257 NAD27 DATUM 20 NGVD29 Date Processed: 2005-04-01 16:44 By mishealy APPROVED DD #15, ,PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1994 TO SEPTEMBER 1995 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN OCTOBER NOVEMBER DECEMBER JANUARY 1 124 94 105 328 84 111 2740 128 493 83 69 76 2 136 90 106 558 86 132 2770 130 477 79 73 75 3 730 98 210 1370 94 262 2500 122 419 90 74 79 4 272 98 124 1830 100 310 2240 114 387 90 76 81 5 142 96 111 1990 92 333 296 108 146 102 78 85 6 268 94 119 1560 100 275 186 104 121 124 84 97 7 332 96 125 1240 90 221 142 106 117 119 71 88 8 396 98 132 470 96 145 228 106 122 89 81 85 9 578 92 147 194 92 111 138 112 118 121 81 91 10 776 94 171 166 90 110 132 104 114 130 84 93 11 992 100 219 642 100 191 134 102 109 128 80 91 12 738 102 185 264 100 123 136 102 115 96 78 85 13 134 96 114 164 94 110 120 106 113 92 79 84 14 130 94 101 162 90 110 142 104 115 115 79 87 15 132 92 108 314 94 136 148 107 119 107 85 95 16 130 100 112 1200 98 266 155 107 122 107 85 92 17 140 104 115 968 106 222 122 104 112 112 90 98 18 136 96 111 852 106 212 134 104 117 122 82 99 19 122 96 105 1480 116 273 135 109 119 114 83 91 20 136 96 105 1660 112 290 129 109 116 93 83 90 21 138 100 113 654 108 177 120 104 112 97 87 92 22 178 102 119 142 96 112 128 97 109 97 78 88 23 128 100 109 1040 102 201 121 87 97 86 78 83 24 138 98 108 1150 112 231 91 72 80 86 80 84 25 134 96 107 220 104 126 80 70 74 88 77 83 26 130 90 102 192 106 127 84 69 75 87 77 81 27 122 86 99 340 110 161 89 69 78 105 73 82 28 120 86 97 526 112 166 85 64 72 83 78 80 29 122 80 91 1310 114 278 76 64 71 88 80 83 30 120 78 90 1300 122 287 84 69 73 94 78 82 31 114 82 94 --- --- --- 83 67 73 102 77 84 MONTH 992 78 121 1990 84 194 2770 64 148 130 69 87 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02110770 A1W AT GRAND STRAND AIRPORT N. MYRTLE BEACH, SC SOURCE AGENCY USGS STATE 45 COUNTY 051 LATITUDE 334912 LONGITUDE 0784257 NAD27 DATUM 20 NGVD29 Date Processed: 2005-04-01 16:44 By mishealy APPROVED DD #15, ,PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1994 TO SEPTEMBER 1995 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN FEBRUARY MARCH APRIL MAY 1 109 77 84 78 70 74 164 94 110 13400 168 1480 2 101 71 80 80 72 75 164 96 111 13400 163 1980 3 104 76 84 80 68 75 122 90 104 10800 189 1710 4 102 76 81 80 72 75 116 88 100 13000 188 2640 5 96 76 85 78 72 75 132 98 109 9240 166 1360 6 108 79 87 76 70 74 460 108 155 1840 164 418 7 91 79 83 80 70 76 158 102 116 949 153 269 8 115 81 88 82 72 77 156 96 112 4910 157 719 9 114 84 92 90 78 83 232 98 126 7580 175 2020 10 124 84 91 88 78 83 198 100 131 2760 166 611 11 102 84 91 86 73 80 1000 108 267 6790 165 1210 12 112 96 103 87 73 79 914 118 256 14000 179 3140 13 134 94 110 90 70 79 1720 112 318 22000 312 6940 14 124 92 104 94 72 81 4880 124 855 16700 232 4650 15 124 90 98 91 71 80 6750 122 1010 17200 199 3060 16 102 84 90 93 72 80 4130 124 657 24100 361 6300 17 136 90 102 96 74 82 4300 122 530 24200 234 5250 18 132 96 106 99 73 81 7130 136 1020 13900 196 2020 19 130 92 103 94 75 83 9900 138 1850 7320 167 1360 20 130 88 98 102 72 82 7530 142 1200 11300 187 2740 21 106 84 92 92 70 75 5400 145 919 14400 196 3260 22 104 82 90 84 72 76 2500 147 566 2650 174 680 23 102 78 84 96 74 79 8840 155 1880 2210 169 533 24 90 76 81 96 78 86 9780 154 1520 3120 173 613 25 98 74 82 106 78 88 3840 146 660 5650 170 947 26 120 70 89 106 78 88 6440 150 1300 6400 174 1050 27 80 68 74 108 80 91 7620 153 1470 10200 184 1910 28 76 68 72 110 84 93 7760 155 1460 9760 204 2490 29 --- --- --- 120 90 101 10500 162 1780 4920 176 609 30 --- --- --- 120 88 101 7000 166 1310 1580 172 337 31 --- --- --- 166 94 107 --- --- --- 8040 174 908 MONTH 136 68 90 166 68 83 10500 88 733 24200 153 2040 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02110770 A1W AT GRAND STRAND AIRPORT N. MYRTLE BEACH, SC SOURCE AGENCY USGS STATE 45 COUNTY 051 LATITUDE 334912 LONGITUDE 0784257 NAD27 DATUM 20 NGVD29 Date Processed: 2005-04-01 16:44 By mishealy APPROVED DD #15, ,PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1994 TO SEPTEMBER 1995 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN JUNE JULY AUGUST SEPTEMBER 1 8040 178 1060 254 144 162 500 104 196 --- --- --- 2 4500 176 679 194 140 156 696 100 215 --- --- --- 3 2510 168 420 166 136 149 236 94 120 --- --- --- 4 466 158 220 174 136 147 264 88 117 --- --- --- 5 490 162 245 168 130 143 1040 90 210 --- --- --- 6 274 142 172 168 128 141 1790 90 328 --- --- --- 7 214 140 162 170 120 137 9920 102 1720 142 100 115 8 456 140 184 184 112 132 22400 190 5810 172 128 150 9 774 136 211 418 112 151 17800 238 5710 221 144 166 10 1480 136 310 918 108 211 13200 168 3320 191 149 164 11 1620 128 306 564 108 165 9180 136 1610 168 148 156 12 1260 130 273 366 106 143 7820 134 1360 193 145 159 13 2620 132 394 208 104 128 7820 128 1150 197 145 160 14 2230 134 365 208 100 117 7560 142 1800 195 152 166 15 2230 134 273 144 92 108 9020 146 2270 195 161 177 16 600 134 187 114 90 100 9340 150 2150 198 158 173 17 354 130 174 110 90 99 12600 154 2640 202 159 180 18 244 128 164 106 86 95 13500 152 2790 1010 165 297 19 218 132 147 104 84 94 10800 150 2610 2740 172 541 20 162 130 142 110 88 99 13800 156 3320 517 165 274 21 564 132 187 124 90 103 10900 150 2470 373 162 201 22 912 134 232 146 90 107 8900 140 1320 310 162 212 23 858 138 244 372 92 129 5950 134 757 1410 172 411 24 816 138 228 538 94 146 1540 124 363 1660 186 587 25 850 140 228 826 90 162 1140 128 271 1060 186 372 26 1070 140 248 626 104 158 --- --- --- 551 181 283 27 760 146 225 362 100 149 --- --- --- 1490 169 346 28 760 142 216 472 96 151 --- --- --- 1450 173 357 29 526 144 200 388 102 158 --- --- --- 915 169 274 30 512 138 178 454 100 161 --- --- --- 785 163 219 31 --- --- --- 454 106 186 --- --- --- --- --- --- MONTH 8040 128 276 918 84 138 --- --- --- --- --- --- 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02110770 A1W AT GRAND STRAND AIRPORT N. MYRTLE BEACH, SC SOURCE AGENCY USGS STATE 45 COUNTY 051 LATITUDE 334912 LONGITUDE 0784257 NAD27 DATUM 20 NGVD29 Date Processed: 2005-04-01 16:44 By mishealy APPROVED DD #15, ,PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1995 TO SEPTEMBER 1996 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN OCTOBER NOVEMBER DECEMBER JANUARY 1 445 159 189 134 117 123 204 97 131 200 188 194 2 342 158 191 129 111 119 235 114 144 203 190 196 3 763 153 290 134 106 118 247 98 165 213 191 197 4 536 149 248 134 106 117 277 127 178 212 192 197 5 171 145 158 123 106 115 309 134 184 212 195 200 6 186 145 162 123 111 117 300 143 203 207 162 199 7 204 147 167 134 117 120 250 151 196 203 158 164 8 466 149 210 134 106 119 240 100 165 192 152 165 9 255 140 175 134 106 115 181 100 173 205 148 160 10 403 123 166 129 106 115 180 169 174 198 152 166 11 146 116 126 134 106 120 177 168 173 189 171 177 12 141 110 120 117 106 111 178 166 173 186 166 176 13 155 107 125 129 100 113 179 170 174 175 165 171 14 169 121 140 123 100 112 185 171 176 175 165 169 15 181 109 132 111 100 104 185 172 177 176 163 169 16 147 95 110 --- --- --- 192 172 179 181 125 159 17 111 95 101 --- --- --- 189 175 181 179 124 146 18 112 88 98 --- --- --- 194 178 184 186 161 169 19 112 80 89 --- --- --- 197 179 185 179 123 154 20 168 86 102 --- --- --- 192 182 186 180 123 152 21 134 108 123 120 84 94 199 184 192 181 121 131 22 134 111 119 101 77 87 205 187 196 176 123 136 23 134 111 121 106 73 90 210 192 199 181 122 134 24 134 111 120 111 85 93 207 155 194 167 118 127 25 134 111 121 112 81 92 199 155 190 144 117 123 26 123 117 120 116 81 92 200 167 188 159 114 124 27 129 111 121 180 82 101 197 146 172 150 114 122 28 123 111 121 171 87 109 204 185 190 178 112 127 29 134 106 119 182 92 119 203 163 191 160 104 124 30 129 111 118 173 85 115 204 187 195 134 106 117 31 134 106 119 --- --- --- 214 187 196 138 114 121 MONTH 763 80 143 --- --- --- 309 97 181 213 104 157 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02110770 A1W AT GRAND STRAND AIRPORT N. MYRTLE BEACH, SC SOURCE AGENCY USGS STATE 45 COUNTY 051 LATITUDE 334912 LONGITUDE 0784257 NAD27 DATUM 20 NGVD29 Date Processed: 2005-04-01 16:44 By mishealy APPROVED DD #15, ,PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1995 TO SEPTEMBER 1996 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN FEBRUARY MARCH APRIL MAY 1 135 109 120 97 74 83 160 116 128 1040 124 249 2 125 113 119 118 76 92 168 114 132 1500 130 297 3 123 111 118 160 85 123 171 114 133 1620 132 319 4 131 83 113 160 119 134 178 117 137 1310 130 272 5 120 77 95 164 120 135 174 111 132 1120 114 224 6 108 70 82 150 121 130 139 112 122 1070 116 226 7 100 74 83 149 104 131 158 114 133 1200 118 264 8 105 70 82 160 92 124 156 119 132 830 114 234 9 109 70 82 172 100 143 164 119 135 242 100 155 10 99 71 80 188 103 146 153 113 128 232 88 139 11 102 69 80 145 106 120 157 113 127 228 88 148 12 126 67 84 181 106 127 166 109 127 388 104 159 13 104 71 77 185 104 133 166 109 127 452 104 181 14 99 67 79 152 103 120 173 107 130 830 112 196 15 115 66 79 158 106 121 160 112 128 270 96 138 16 95 68 77 160 106 122 161 112 130 600 102 162 17 93 68 77 134 107 119 163 112 132 1130 102 231 18 100 71 79 133 112 120 169 117 135 1660 114 285 19 98 67 80 163 106 129 156 104 126 1630 120 286 20 124 69 88 182 109 134 162 94 121 1630 122 301 21 109 68 86 158 107 128 164 98 120 1620 124 313 22 97 72 83 152 115 129 174 100 126 1130 122 279 23 121 70 85 148 117 127 178 96 125 2070 130 428 24 116 68 87 146 113 126 178 102 127 1050 124 264 25 116 75 88 151 113 126 236 112 141 564 128 233 26 127 75 91 151 113 125 270 114 144 3580 136 843 27 127 77 91 123 109 118 220 114 155 790 136 276 28 103 76 87 140 110 120 376 116 180 3670 134 604 29 110 75 84 159 112 128 268 118 177 9330 168 1700 30 --- --- --- 158 115 131 296 124 166 14400 190 3250 31 --- --- --- 156 117 131 --- --- --- 12000 246 3420 MONTH 135 66 88 188 74 125 376 94 135 14400 88 519 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02110770 A1W AT GRAND STRAND AIRPORT N. MYRTLE BEACH, SC SOURCE AGENCY USGS STATE 45 COUNTY 051 LATITUDE 334912 LONGITUDE 0784257 NAD27 DATUM 20 NGVD29 Date Processed: 2005-04-01 16:44 By mishealy APPROVED DD #15, ,PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1995 TO SEPTEMBER 1996 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN JUNE JULY AUGUST SEPTEMBER 1 8010 200 1320 3280 106 506 3620 136 632 496 102 182 2 7920 188 1160 12700 140 1790 3250 124 528 297 102 141 3 7350 180 1090 12700 180 2410 1380 128 320 149 89 116 4 7350 166 1150 12600 120 3120 428 114 197 141 99 113 5 8750 168 1360 12500 140 2600 204 112 140 1050 103 208 6 6780 164 1090 6600 100 1200 212 102 146 220 107 146 7 4660 174 837 2380 120 633 224 100 134 179 97 126 8 1850 172 481 3520 120 637 208 100 144 161 83 115 9 1380 160 439 3480 120 656 206 100 144 192 83 118 10 1650 178 398 8000 100 1510 218 102 146 138 87 111 11 3640 178 706 15400 100 3690 860 102 220 142 81 109 12 4900 192 853 11300 140 2750 392 112 188 172 87 119 13 3610 184 647 746 140 243 236 108 148 177 89 112 14 3080 194 616 1140 150 268 222 102 147 191 75 111 15 2330 188 478 456 152 214 262 102 146 185 65 105 16 1750 174 396 734 144 216 224 112 139 189 71 101 17 1010 176 303 460 152 207 258 102 138 186 66 98 18 1590 154 285 394 162 213 232 102 139 164 63 91 19 1590 134 288 394 152 217 212 98 136 170 68 97 20 198 98 143 404 146 219 225 99 130 164 61 93 21 178 104 125 985 148 353 213 97 132 129 70 88 22 212 106 133 633 136 244 225 93 128 160 66 95 23 204 100 132 299 131 179 193 93 125 160 68 94 24 184 92 128 232 136 163 169 101 126 152 68 95 25 222 96 129 388 140 178 394 97 142 161 70 100 26 930 96 221 548 140 207 889 101 196 169 77 98 27 1070 102 239 1160 142 297 1180 96 219 165 71 106 28 958 102 206 1490 150 336 1120 100 215 163 75 103 29 1200 94 260 1860 136 373 2190 108 336 136 79 97 30 2730 98 458 2510 138 450 1780 114 446 138 79 103 31 --- --- --- 3820 142 612 1780 108 285 --- --- --- MONTH 8750 92 536 15400 100 861 3620 93 207 1050 61 113 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02110770 A1W AT GRAND STRAND AIRPORT N. MYRTLE BEACH, SC SOURCE AGENCY USGS STATE 45 COUNTY 051 LATITUDE 334912 LONGITUDE 0784257 NAD27 DATUM 20 NGVD29 Date Processed: 2005-04-01 16:44 By mishealy APPROVED DD #15, ,PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN OCTOBER NOVEMBER DECEMBER JANUARY 1 153 86 103 144 78 95 195 78 103 103 60 77 2 135 90 102 106 74 87 149 78 100 132 56 77 3 194 84 113 142 78 98 171 89 107 152 58 80 4 170 90 113 148 78 100 181 85 112 138 60 78 5 152 86 110 124 82 99 276 87 130 138 56 81 6 154 97 120 146 78 100 118 79 95 150 56 92 7 148 93 113 152 78 114 241 81 110 678 69 150 8 150 93 117 296 90 129 709 79 154 960 69 197 9 165 87 109 194 80 115 175 80 99 2930 74 529 10 149 87 104 526 88 148 1420 78 250 168 67 93 11 137 90 110 1090 90 212 615 74 133 354 71 114 12 166 84 117 1290 94 226 630 72 137 792 72 157 13 156 80 106 1970 96 360 467 72 113 368 79 123 14 154 78 98 2010 100 356 323 72 103 195 75 104 15 168 80 108 2330 96 401 531 69 118 117 72 88 16 --- --- --- 2750 108 451 290 74 112 142 69 90 17 --- --- --- 424 100 157 180 96 126 125 67 101 18 --- --- --- 446 100 156 128 94 110 133 74 89 19 --- --- --- 434 91 168 139 100 111 107 74 90 20 --- --- --- 2290 96 518 167 109 122 130 75 93 21 --- --- --- 3810 98 602 167 107 124 104 69 82 22 --- --- --- 359 98 138 159 103 119 96 66 82 23 --- --- --- 1060 91 224 161 95 117 117 65 85 24 138 66 95 363 90 141 150 95 115 108 68 83 25 110 72 88 511 88 142 152 95 113 137 69 87 26 112 74 91 202 87 113 210 95 121 108 68 83 27 118 78 92 587 87 151 166 59 101 106 71 82 28 136 80 97 838 88 173 126 59 81 122 67 84 29 146 80 102 450 83 134 124 61 83 102 64 80 30 150 80 99 443 81 137 120 59 80 105 66 78 31 146 80 98 --- --- --- 109 60 79 124 65 85 MONTH --- --- --- 3810 74 202 1420 59 115 2930 56 110 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02110770 A1W AT GRAND STRAND AIRPORT N. MYRTLE BEACH, SC SOURCE AGENCY USGS STATE 45 COUNTY 051 LATITUDE 334912 LONGITUDE 0784257 NAD27 DATUM 20 NGVD29 Date Processed: 2005-04-01 16:44 By mishealy APPROVED DD #15, ,PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN FEBRUARY MARCH APRIL MAY 1 122 72 83 184 89 120 213 94 132 129 96 111 2 114 71 83 180 93 118 330 94 158 140 90 112 3 171 64 98 186 96 122 --- --- --- 131 94 113 4 102 64 78 198 93 126 --- --- --- 123 97 113 5 132 64 83 156 100 115 --- --- --- 153 114 129 6 121 63 86 166 97 122 --- --- --- 140 112 124 7 184 64 95 173 98 121 --- --- --- 199 106 124 8 187 67 89 175 96 118 414 100 147 156 101 122 9 187 65 90 185 96 124 647 108 157 138 95 114 10 179 66 86 189 94 121 316 106 132 124 95 110 11 157 66 92 215 96 129 261 106 134 124 88 110 12 126 67 85 209 94 128 236 106 132 135 93 109 13 98 68 77 214 98 127 175 109 125 133 95 110 14 107 69 78 119 95 105 142 113 124 122 91 107 15 157 72 90 214 91 131 301 90 143 122 91 108 16 147 74 96 208 89 130 227 111 136 115 89 107 17 163 73 94 190 87 125 174 107 128 131 93 112 18 162 71 95 188 99 130 187 105 126 134 96 119 19 158 57 97 185 97 122 1180 111 239 138 100 120 20 142 102 117 148 93 118 1530 109 314 156 104 125 21 144 104 116 203 97 139 537 111 197 1130 104 246 22 136 100 112 221 99 140 914 111 201 1980 125 344 23 147 93 114 209 100 137 767 118 228 1590 116 282 24 189 101 120 217 98 137 1220 111 204 2150 125 304 25 141 91 107 218 96 135 1220 110 220 2150 121 364 26 133 93 104 182 96 123 684 110 186 2210 110 373 27 165 91 116 224 94 138 1230 120 280 2300 142 701 28 171 91 110 202 98 128 634 109 187 8520 158 2360 29 --- --- --- 218 96 131 135 101 116 --- --- --- 30 --- --- --- 216 98 138 128 98 113 --- --- --- 31 --- --- --- 208 104 134 --- --- --- --- --- --- MONTH 189 57 96 224 87 127 --- --- --- --- --- --- 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02110770 A1W AT GRAND STRAND AIRPORT N. MYRTLE BEACH, SC SOURCE AGENCY USGS STATE 45 COUNTY 051 LATITUDE 334912 LONGITUDE 0784257 NAD27 DATUM 20 NGVD29 Date Processed: 2005-04-01 16:44 By mishealy APPROVED DD #15, ,PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN JUNE JULY AUGUST SEPTEMBER 1 --- --- --- 2870 152 443 284 144 183 11600 208 2160 2 --- --- --- 5030 146 785 216 150 181 8360 212 1970 3 --- --- --- 2540 146 462 204 152 176 7710 208 1880 4 --- --- --- 1390 132 305 192 136 164 12100 238 3480 5 --- --- --- 968 138 238 188 124 153 12600 290 4340 6 --- --- --- 1850 128 316 176 130 155 9730 252 3090 7 11600 121 1080 1850 132 325 188 132 158 3760 194 803 8 317 110 164 1460 134 360 168 122 147 4480 182 676 9 163 100 117 1900 140 492 166 120 143 6350 198 1130 10 --- --- --- 2330 144 583 174 118 143 9620 210 2580 11 226 100 122 2350 148 567 292 130 202 6630 204 2310 12 227 100 129 1600 156 402 292 140 167 6640 218 1620 13 165 100 124 666 134 244 280 134 166 7490 206 1730 14 232 100 130 852 130 244 1050 136 252 9260 222 2780 15 650 100 191 2840 126 438 1970 152 412 8370 222 2080 16 725 100 209 5010 130 843 4260 162 745 7480 240 2580 17 482 100 147 9300 132 1800 6280 162 983 11700 218 2790 18 502 100 141 12600 142 2530 9770 162 1710 13800 266 3680 19 1010 100 189 15000 168 2920 25600 215 5690 17400 232 4230 20 2380 100 384 17000 180 3470 26200 835 10200 14600 280 4370 21 2840 100 419 18400 208 4050 23000 417 6280 8010 230 1930 22 2130 100 302 18400 168 3300 11700 219 2830 11100 240 2530 23 2130 112 326 13400 158 2880 10000 198 2110 2000 200 462 24 2310 112 419 15200 164 2760 8110 190 1630 6920 202 1100 25 2970 124 558 4410 156 820 8790 194 2530 7060 178 1150 26 2700 112 652 9760 152 1990 6560 168 1650 4470 184 792 27 4410 140 814 1790 130 414 6830 192 1350 1460 174 328 28 8650 138 2450 492 118 189 8900 178 1580 444 180 252 29 4540 138 909 498 118 196 8690 178 1600 268 146 198 30 2180 144 376 1680 152 357 14200 194 3750 232 112 156 31 --- --- --- 391 136 193 10700 230 2700 --- --- --- MONTH --- --- --- 18400 118 1130 26200 118 1620 17400 112 1970 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02110770 A1W AT GRAND STRAND AIRPORT N. MYRTLE BEACH, SC SOURCE AGENCY USGS STATE 45 COUNTY 051 LATITUDE 334912 LONGITUDE 0784257 NAD27 DATUM 20 NGVD29 Date Processed: 2005-04-01 16:44 By mishealy APPROVED DD #15, ,PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN OCTOBER NOVEMBER DECEMBER JANUARY 1 299 140 227 460 140 251 400 120 212 280 100 156 2 417 140 243 320 120 238 1120 100 273 300 100 151 3 496 100 240 300 140 193 1060 100 260 320 100 156 4 397 120 217 360 100 188 460 120 242 300 100 161 5 456 139 239 580 100 210 400 120 205 240 100 160 6 652 100 274 1400 160 334 300 100 165 200 100 148 7 1440 179 366 500 120 235 280 100 159 280 100 172 8 4260 100 702 540 100 251 420 100 189 220 100 156 9 5000 120 847 360 100 181 240 100 128 200 100 140 10 3360 178 628 680 140 262 400 100 182 180 100 126 11 4450 178 868 620 120 265 600 100 251 340 100 171 12 10400 178 2210 740 100 260 740 200 291 320 120 185 13 9220 235 2100 3000 100 645 1000 100 284 200 100 116 14 9960 234 2380 2680 120 514 520 100 208 220 120 155 15 12700 157 3540 1180 300 499 820 100 163 260 100 179 16 19900 232 5970 1060 240 412 380 100 160 240 100 140 17 23900 304 6750 1120 220 401 560 100 156 160 100 106 18 24300 299 6580 460 200 305 320 100 154 140 100 103 19 20100 343 5610 860 120 270 280 100 150 260 100 147 20 12400 192 2010 320 140 219 420 100 141 300 100 187 21 11200 137 1970 420 120 228 260 100 165 320 100 131 22 1660 260 553 300 100 228 240 140 201 300 100 129 23 700 200 341 400 200 286 280 120 193 180 100 104 24 640 120 294 360 200 245 260 100 196 240 100 117 25 500 180 283 400 160 258 920 180 278 240 100 125 26 1060 240 386 460 100 250 380 140 216 200 100 131 27 920 120 284 300 100 216 260 100 202 340 120 180 28 5020 180 796 340 140 224 240 100 168 280 100 140 29 6900 240 1250 420 180 231 320 100 178 300 100 144 30 1620 140 438 1200 180 343 400 120 190 240 100 120 31 1280 200 410 --- --- --- 360 120 179 300 100 126 MONTH 24300 100 1580 3000 100 288 1120 100 198 340 100 144 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02110770 A1W AT GRAND STRAND AIRPORT N. MYRTLE BEACH, SC SOURCE AGENCY USGS STATE 45 COUNTY 051 LATITUDE 334912 LONGITUDE 0784257 NAD27 DATUM 20 NGVD29 Date Processed: 2005-04-01 16:44 By mishealy APPROVED DD #15, ,PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN FEBRUARY MARCH APRIL MAY 1 340 100 149 --- --- --- 340 100 181 100 100 100 2 200 100 128 --- --- --- 300 140 225 100 100 100 3 200 100 121 --- --- --- 220 100 129 100 100 100 4 260 100 180 --- --- --- 260 100 188 100 100 100 5 280 120 176 --- --- --- 280 100 120 100 100 100 6 260 140 190 --- --- --- 240 120 170 100 100 100 7 200 120 174 --- --- --- 340 140 198 100 100 100 8 340 120 193 --- --- --- 340 160 230 100 100 100 9 300 100 173 --- --- --- 360 160 259 100 100 100 10 380 100 133 360 240 284 460 120 254 120 100 105 11 200 100 137 400 220 295 480 180 269 120 110 114 12 300 100 167 360 240 288 360 120 220 120 100 111 13 180 100 106 400 220 312 300 120 220 120 100 108 14 200 100 113 320 220 279 300 100 203 130 110 112 15 1260 100 668 340 180 273 360 100 217 130 110 116 16 100 100 100 320 140 248 380 180 254 130 100 110 17 180 100 111 280 200 249 340 200 242 110 100 106 18 --- --- --- 400 100 238 340 120 220 120 100 110 19 --- --- --- 340 140 235 360 180 242 120 100 110 20 --- --- --- 420 180 275 300 140 228 110 100 106 21 --- --- --- 320 200 240 300 140 210 120 100 108 22 --- --- --- 300 180 217 260 120 190 300 110 132 23 --- --- --- 320 100 213 360 100 183 170 110 126 24 --- --- --- 400 160 252 300 180 222 240 110 128 25 --- --- --- 260 100 190 400 120 205 160 110 119 26 --- --- --- 360 100 207 360 140 240 200 110 119 27 --- --- --- 320 120 204 --- --- --- 360 110 125 28 --- --- --- 340 100 226 --- --- --- 410 120 138 29 --- --- --- 280 100 174 --- --- --- 680 120 177 30 --- --- --- 240 100 172 110 100 100 580 120 185 31 --- --- --- 340 100 212 --- --- --- 280 120 151 MONTH --- --- --- --- --- --- --- --- --- 680 100 117 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02110770 A1W AT GRAND STRAND AIRPORT N. MYRTLE BEACH, SC SOURCE AGENCY USGS STATE 45 COUNTY 051 LATITUDE 334912 LONGITUDE 0784257 NAD27 DATUM 20 NGVD29 Date Processed: 2005-04-01 16:44 By mishealy APPROVED DD #15, ,PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN JUNE JULY AUGUST SEPTEMBER 1 180 120 135 1370 140 305 5170 160 869 1550 170 331 2 240 120 145 2820 150 673 740 170 283 3010 170 466 3 370 120 165 6770 160 1080 --- --- --- 6710 170 1310 4 1530 130 292 4110 170 997 --- --- --- 1570 160 258 5 620 130 210 1410 170 341 3300 150 502 1100 150 277 6 300 120 156 6500 170 1120 4910 150 790 840 140 255 7 210 120 137 7790 170 1290 2070 150 365 360 130 180 8 360 120 151 8170 170 1330 2400 160 405 240 120 142 9 510 120 162 9310 170 1360 3940 170 538 440 120 160 10 1090 120 225 16800 200 3070 3940 170 664 220 130 149 11 2900 130 388 20500 280 5200 3800 170 792 150 120 135 12 2900 130 349 20500 390 6700 5320 180 1220 130 120 124 13 1880 130 253 20800 290 4900 6150 180 1290 130 110 118 14 570 130 203 16900 270 4180 9010 180 1680 120 110 115 15 990 120 224 12900 220 2930 4570 180 1040 120 110 114 16 270 120 156 7840 210 1750 2340 170 426 120 110 113 17 320 120 165 7330 190 1400 1700 170 352 120 110 113 18 1930 130 350 12000 200 2560 2270 170 436 150 110 116 19 2420 130 451 11400 200 2420 5310 170 876 170 110 122 20 3270 130 560 10900 200 2250 5510 180 1010 160 110 123 21 5950 140 939 10100 200 1860 2010 170 412 160 110 124 22 4600 130 716 13500 190 2370 830 170 272 140 110 117 23 6800 130 1050 18300 230 3770 660 160 240 180 110 126 24 9880 140 1480 18300 260 4500 870 160 263 230 110 136 25 12300 150 1920 17000 240 3470 2190 160 352 160 110 125 26 12300 150 1460 14200 210 1790 5140 160 1130 140 110 119 27 5630 140 642 11700 220 2700 220 100 167 150 110 122 28 2860 140 481 1510 200 360 560 160 225 210 110 130 29 2180 150 487 710 190 300 4610 170 752 700 110 185 30 1070 140 272 640 180 284 3170 180 528 1170 110 245 31 --- --- --- 570 160 250 2800 190 455 --- --- --- MONTH 12300 120 477 20800 140 2180 --- --- --- 6710 110 205 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02110770 A1W AT GRAND STRAND AIRPORT N. MYRTLE BEACH, SC SOURCE AGENCY USGS STATE 45 COUNTY 051 LATITUDE 334912 LONGITUDE 0784257 NAD27 DATUM 20 NGVD29 Date Processed: 2005-04-01 16:44 By mishealy APPROVED DD #15, ,PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN OCTOBER NOVEMBER DECEMBER JANUARY 1 620 120 196 15700 210 4650 5880 200 1350 1160 170 302 2 2800 130 469 17600 270 5810 13200 200 3440 4270 160 805 3 1500 130 371 21600 320 6690 17800 220 4420 2410 160 335 4 970 130 276 22000 290 6600 18400 230 4040 300 160 172 5 1970 100 399 27400 350 9720 20500 240 5120 310 160 175 6 3860 130 821 27900 640 8770 20000 270 4830 220 160 172 7 6770 140 1160 16200 280 3270 16600 250 3370 180 160 165 8 4860 140 764 12500 220 2220 11800 240 2110 180 160 165 9 2530 120 433 11300 220 2260 3520 230 877 180 160 166 10 3710 100 575 10200 210 2050 12600 250 3110 170 160 163 11 3830 140 569 2980 180 582 9900 240 2600 170 160 162 12 1420 150 323 3350 180 652 9190 230 2000 170 150 159 13 1320 140 310 7080 190 1550 6210 220 979 170 150 160 14 870 140 270 5300 190 1230 4350 210 1200 180 160 162 15 940 130 263 4920 190 946 11600 230 2870 250 150 168 16 1050 130 284 6090 190 1310 4920 220 872 440 150 187 17 670 100 255 6670 200 1230 8170 210 1170 260 160 174 18 670 140 241 10400 200 2180 4910 200 848 200 150 161 19 640 110 212 9460 210 1650 7480 200 1160 170 150 155 20 530 120 220 4860 200 730 1850 190 360 200 150 160 21 2000 140 412 1950 190 403 1030 190 281 220 150 160 22 1370 150 333 4330 190 750 530 180 240 180 150 155 23 6000 150 946 3110 190 524 2170 180 412 160 140 149 24 2260 160 421 1350 180 323 810 170 257 150 130 139 25 730 150 233 7580 190 1250 920 170 278 140 110 128 26 1160 150 282 3230 190 682 590 170 223 130 110 114 27 3820 150 576 1920 190 455 280 170 189 120 110 118 28 9940 160 1660 3260 190 814 280 160 186 120 120 120 29 7240 160 1150 1970 190 570 410 160 196 120 120 120 30 8680 170 1770 --- --- --- 450 170 203 120 120 120 31 12000 170 2610 --- --- --- 1080 170 293 120 110 114 MONTH 12000 100 607 --- --- --- 20500 160 1600 4270 110 184 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02110770 A1W AT GRAND STRAND AIRPORT N. MYRTLE BEACH, SC SOURCE AGENCY USGS STATE 45 COUNTY 051 LATITUDE 334912 LONGITUDE 0784257 NAD27 DATUM 20 NGVD29 Date Processed: 2005-04-01 16:44 By mishealy APPROVED DD #15, ,PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN FEBRUARY MARCH APRIL MAY 1 110 110 110 150 110 119 140 120 131 240 160 166 2 110 110 110 360 110 151 140 120 127 170 140 151 3 110 100 106 300 110 144 140 120 132 150 130 139 4 100 100 100 170 110 117 140 120 129 140 120 127 5 100 100 100 170 110 130 130 120 124 130 110 121 6 100 100 100 180 120 132 140 110 124 120 110 113 7 100 100 100 150 120 125 130 110 114 120 100 104 8 100 100 100 150 120 130 120 110 113 110 100 102 9 100 100 100 200 120 141 120 110 118 100 100 100 10 100 100 100 210 120 136 170 110 126 100 100 100 11 100 100 100 950 130 200 410 120 155 100 100 100 12 100 100 100 300 120 151 160 120 130 100 100 100 13 100 100 100 360 120 166 410 120 174 100 100 100 14 100 100 100 1960 120 379 840 120 225 100 100 100 15 100 100 100 140 120 129 2030 130 383 100 100 100 16 110 100 100 370 130 175 1300 120 234 100 100 100 17 110 100 101 480 130 193 1940 120 282 100 100 100 18 110 100 103 430 140 190 2600 130 329 100 100 100 19 110 100 107 1590 140 317 2630 130 419 100 100 100 20 120 110 110 1590 140 276 2770 140 451 100 100 100 21 120 110 111 1620 140 310 1670 150 459 100 100 100 22 120 110 112 190 130 143 6100 150 876 100 100 100 23 110 110 110 180 140 149 1280 140 306 100 100 100 24 120 100 110 220 140 153 2480 140 468 100 100 100 25 110 100 109 190 140 150 3760 160 863 100 100 100 26 120 110 112 470 140 168 1170 150 348 100 100 100 27 130 110 114 160 140 149 3490 150 567 120 100 102 28 140 110 115 160 140 148 3240 160 751 130 100 104 29 --- --- --- 150 130 142 2830 160 500 130 100 104 30 --- --- --- 150 130 137 1930 170 440 180 100 109 31 --- --- --- 140 130 135 --- --- --- 210 100 112 MONTH 140 100 105 1960 110 170 6100 110 320 240 100 108 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02110770 A1W AT GRAND STRAND AIRPORT N. MYRTLE BEACH, SC SOURCE AGENCY USGS STATE 45 COUNTY 051 LATITUDE 334912 LONGITUDE 0784257 NAD27 DATUM 20 NGVD29 Date Processed: 2005-04-01 16:44 By mishealy APPROVED DD #15, ,PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN JUNE JULY AUGUST SEPTEMBER 1 310 100 117 6980 160 927 8460 170 1430 15300 250 3850 2 310 100 124 5160 160 723 6100 180 1480 17200 310 5390 3 290 110 129 3220 160 514 11700 180 2850 19700 300 5750 4 380 110 155 1910 160 399 12500 190 3060 8050 220 1790 5 1780 120 340 960 160 307 8830 170 1540 2060 170 396 6 1260 120 255 1090 160 338 8190 160 1400 5960 170 965 7 720 120 246 1390 150 334 9440 150 1540 1340 180 332 8 870 120 288 4540 160 809 11600 150 2200 1480 180 380 9 1940 120 398 9330 160 1730 18000 160 3840 2190 190 501 10 8100 130 1540 12000 170 2260 27900 540 9710 1310 190 369 11 23900 160 6670 20400 190 4230 25700 610 9810 1290 200 409 12 27200 480 9770 27600 410 9390 23700 590 8410 1290 200 354 13 25500 410 8530 22100 370 7130 23600 560 7560 760 190 297 14 23000 300 6090 16700 240 3060 22200 480 6110 770 180 276 15 21100 250 4410 12400 190 1280 16000 340 4100 1550 170 357 16 13300 190 1700 3760 170 552 12200 270 2810 170 110 137 17 9510 190 1820 1130 170 313 9310 240 2380 150 100 112 18 9410 200 2120 750 160 249 8140 210 1900 110 100 101 19 11000 200 2070 290 150 187 8930 190 1600 100 100 100 20 690 180 262 300 140 177 8310 200 1710 120 100 102 21 490 160 227 1770 150 374 5030 190 921 120 100 106 22 780 150 263 4120 160 693 13400 200 2750 120 100 105 23 3870 150 608 1820 150 358 15700 220 3920 110 100 101 24 1820 150 403 2030 150 345 13200 220 2850 120 100 102 25 1490 140 322 2190 150 409 11100 200 2180 100 100 100 26 1330 140 275 3260 140 521 10700 190 1930 100 100 100 27 1340 130 273 7160 150 1110 11100 210 2390 100 100 100 28 2010 140 337 8950 160 1430 16300 240 3530 100 100 100 29 3960 140 524 8650 170 1560 22900 370 6800 100 100 100 30 6980 150 839 8770 170 1450 25900 280 7530 100 100 100 31 --- --- --- 8770 170 1440 11900 260 2550 --- --- --- MONTH 27200 100 1700 27600 140 1440 27900 150 3640 19700 100 766 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02110770 A1W AT GRAND STRAND AIRPORT N. MYRTLE BEACH, SC SOURCE AGENCY USGS STATE 45 COUNTY 051 LATITUDE 334912 LONGITUDE 0784257 NAD27 DATUM 20 NGVD29 Date Processed: 2005-04-01 16:44 By mishealy APPROVED DD #15, ,PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN OCTOBER NOVEMBER DECEMBER JANUARY 1 100 80 91 90 80 87 260 120 153 430 150 179 2 100 80 88 90 90 90 530 120 210 250 120 170 3 90 80 87 90 90 90 750 140 215 300 150 172 4 90 70 84 100 90 91 380 130 169 260 150 165 5 100 80 82 100 90 92 450 130 184 180 140 154 6 90 80 84 100 90 93 650 130 208 960 140 250 7 90 80 86 100 90 96 570 130 214 600 150 203 8 90 80 87 110 100 101 2080 150 374 730 140 215 9 90 80 87 110 100 101 1260 140 287 710 140 209 10 90 80 87 100 90 98 1400 150 285 460 140 177 11 90 90 90 110 90 100 1590 140 317 230 140 153 12 110 90 102 120 100 108 1150 150 290 320 150 174 13 110 100 103 120 100 111 580 150 210 300 160 184 14 100 90 96 110 100 104 280 140 176 320 140 173 15 100 90 98 120 100 107 910 140 250 510 150 207 16 100 90 98 130 100 112 900 150 325 260 130 159 17 150 100 118 130 100 115 1350 160 381 320 130 168 18 150 100 118 150 110 115 1510 170 438 2010 140 376 19 100 90 98 140 110 118 3950 160 691 1240 140 272 20 100 90 97 180 110 128 600 150 202 810 140 220 21 --- --- --- 450 120 183 530 150 200 710 140 207 22 --- --- --- 2080 120 407 1470 150 305 1880 150 371 23 --- --- --- 3750 130 708 2340 150 430 630 160 212 24 --- --- --- 6700 140 1080 1480 150 294 250 150 169 25 --- --- --- 4910 150 760 1740 150 341 160 150 156 26 --- --- --- 3530 140 572 490 140 193 150 130 142 27 --- --- --- 890 130 224 640 130 194 140 130 137 28 --- --- --- 1270 120 259 320 100 166 140 120 124 29 90 80 89 630 110 209 220 140 156 130 120 122 30 90 80 87 210 130 152 270 140 163 130 120 121 31 90 80 85 --- --- --- 220 130 160 120 120 120 MONTH --- --- --- 6700 80 220 3950 100 264 2010 120 189 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02110770 A1W AT GRAND STRAND AIRPORT N. MYRTLE BEACH, SC SOURCE AGENCY USGS STATE 45 COUNTY 051 LATITUDE 334912 LONGITUDE 0784257 NAD27 DATUM 20 NGVD29 Date Processed: 2005-04-01 16:44 By mishealy APPROVED DD #15, ,PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN FEBRUARY MARCH APRIL MAY 1 130 110 121 160 110 125 110 100 104 300 130 159 2 120 110 111 160 120 133 110 100 102 260 130 153 3 110 110 110 170 120 140 110 90 102 2710 130 434 4 110 100 108 150 120 129 110 100 102 2140 130 375 5 110 100 105 150 120 130 130 100 108 2070 140 315 6 100 100 100 140 120 125 130 100 108 2070 140 320 7 100 100 100 140 110 126 180 100 113 2190 140 361 8 100 100 100 130 110 123 250 110 122 2050 140 390 9 100 100 100 150 110 125 120 100 108 1860 140 371 10 100 90 100 170 120 130 210 110 123 2080 140 417 11 100 90 94 300 120 149 190 110 124 1840 150 450 12 100 90 96 250 120 142 140 100 117 2710 150 634 13 100 100 100 170 120 139 210 110 128 1020 150 325 14 100 100 100 420 130 171 270 120 146 8130 150 1350 15 110 100 104 370 130 167 220 120 137 10500 160 2010 16 110 100 102 350 130 161 150 110 122 6390 160 1270 17 110 100 102 180 120 138 730 110 177 3090 150 492 18 110 100 103 760 130 240 360 120 164 2260 140 396 19 110 100 102 660 140 220 1290 120 229 2750 150 393 20 110 100 104 1980 150 386 1170 130 235 5910 160 628 21 110 110 110 180 140 149 1120 120 199 12200 180 1530 22 110 110 110 150 130 139 210 120 130 13400 180 2240 23 120 110 113 140 130 135 160 120 127 8770 180 1490 24 130 110 116 140 120 128 140 120 126 12000 180 1750 25 130 110 114 130 110 115 180 120 131 6100 190 1110 26 130 110 113 120 100 110 150 120 131 4720 190 1090 27 120 90 105 110 110 110 880 120 194 5760 190 1170 28 140 100 111 110 100 110 400 130 168 2770 180 676 29 140 120 126 110 100 105 290 130 163 6130 190 1390 30 --- --- --- 110 100 103 220 130 154 13600 190 3090 31 --- --- --- 110 100 104 --- --- --- 17900 220 4800 MONTH 140 90 106 1980 100 145 1290 90 140 17900 130 1020 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02110770 A1W AT GRAND STRAND AIRPORT N. MYRTLE BEACH, SC SOURCE AGENCY USGS STATE 45 COUNTY 051 LATITUDE 334912 LONGITUDE 0784257 NAD27 DATUM 20 NGVD29 Date Processed: 2005-04-01 16:44 By mishealy APPROVED DD #15, ,PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN JUNE JULY AUGUST SEPTEMBER 1 15400 210 3560 27300 200 9410 2910 170 485 8450 240 1260 2 16600 200 2810 27300 320 7120 4060 170 601 3340 220 768 3 24100 230 4970 26500 360 6940 4060 180 686 610 210 259 4 24100 410 8850 22100 120 3750 1810 190 476 250 180 207 5 24700 240 4670 13400 230 2170 530 180 253 220 160 184 6 14700 190 1960 12300 250 3220 700 170 267 190 160 174 7 3470 190 854 17300 310 6110 350 170 202 190 150 169 8 9260 200 1570 16700 110 4720 490 160 208 180 150 159 9 2280 190 478 6370 120 1460 760 150 235 150 130 139 10 1050 190 366 1850 200 392 490 150 199 160 130 140 11 1480 190 395 3990 190 667 530 150 201 230 140 153 12 1600 190 380 15700 210 2180 1010 160 239 370 150 175 13 3270 190 592 12300 180 2220 790 150 241 420 150 186 14 6890 190 1140 640 180 244 740 150 216 610 150 220 15 9280 190 1510 1260 170 288 1000 150 246 440 160 209 16 5630 180 921 1990 180 371 580 160 200 570 160 216 17 2480 160 431 4400 180 585 3160 160 350 330 150 182 18 2750 160 412 5050 180 654 3160 180 663 210 140 162 19 3230 160 436 5050 170 567 1480 170 424 150 120 125 20 9860 180 937 5020 170 586 2740 190 801 130 120 124 21 11700 200 2370 11000 220 3070 1410 190 424 140 110 124 22 6090 180 861 11700 200 2190 2120 190 447 160 120 140 23 1460 190 398 2020 180 461 1040 180 308 160 140 148 24 2490 200 678 320 180 210 2380 170 424 160 130 144 25 2040 190 487 280 170 196 5510 170 926 160 130 144 26 970 190 349 220 160 181 11800 180 2390 140 120 131 27 2490 180 491 1630 150 329 12800 200 2820 160 130 142 28 5830 180 1040 3270 160 574 11600 210 2420 160 130 141 29 10400 190 1870 5740 170 965 15300 220 3020 160 130 136 30 25100 220 6090 5890 180 998 14000 250 3540 140 120 129 31 --- --- --- 2690 170 519 14000 260 2850 --- --- --- MONTH 25100 160 1730 27300 110 2040 15300 150 863 8450 110 220 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02110770 A1W AT GRAND STRAND AIRPORT N. MYRTLE BEACH, SC SOURCE AGENCY USGS STATE 45 COUNTY 051 LATITUDE 334912 LONGITUDE 0784257 NAD27 DATUM 20 NGVD29 Date Processed: 2005-04-01 16:44 By mishealy APPROVED DD #15, ,PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 2000 TO SEPTEMBER 2001 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN OCTOBER NOVEMBER DECEMBER JANUARY 1 130 110 116 9340 200 1580 530 190 247 690 200 275 2 110 100 108 10400 210 1820 370 190 226 320 200 230 3 110 100 102 7020 200 1140 250 190 203 350 200 234 4 110 100 101 7140 200 1240 270 190 203 880 200 369 5 110 100 103 8850 190 1710 310 180 208 1630 200 522 6 110 100 103 5700 200 1380 320 180 218 1000 250 459 7 120 100 106 2520 190 598 350 170 219 2530 260 665 8 120 100 110 5180 200 1080 430 180 229 5190 260 964 9 120 100 110 9690 220 3060 470 180 268 2710 260 817 10 130 110 114 8650 210 1910 930 210 365 4910 260 1170 11 130 110 115 13400 230 4160 840 200 350 5950 299 1500 12 140 110 121 20400 300 6370 700 200 296 8070 249 1730 13 160 120 129 19700 390 5510 1810 200 479 11300 229 2350 14 210 120 139 18100 310 4530 1030 220 409 6690 228 1650 15 350 120 158 14300 260 3240 870 200 314 738 198 324 16 960 120 234 13900 280 3230 1680 200 495 528 198 280 17 1190 130 285 8730 300 1880 540 180 242 878 198 356 18 1270 140 283 9750 250 1900 440 180 225 2420 197 591 19 1520 140 323 5640 300 1580 550 190 288 2760 197 573 20 620 140 220 880 250 390 320 200 228 597 187 255 21 510 140 210 410 200 273 570 200 296 367 177 218 22 640 140 243 910 230 435 470 200 254 2590 187 607 23 1830 150 452 2990 280 924 400 200 245 5710 196 998 24 1730 160 523 3770 320 1200 490 190 255 4790 186 831 25 3760 170 1020 8760 390 2030 360 180 221 676 186 260 26 6730 180 1630 1020 300 439 720 180 279 1340 186 346 27 8570 190 1600 650 260 324 650 190 279 325 175 206 28 9640 200 1740 940 250 346 760 190 308 475 185 230 29 10000 210 1820 660 230 306 3170 220 644 435 185 229 30 8650 200 1440 400 210 248 370 210 254 405 184 220 31 6730 200 1230 --- --- --- 430 200 234 294 174 208 MONTH 10000 100 483 20400 190 1830 3170 170 290 11300 174 634 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02110770 A1W AT GRAND STRAND AIRPORT N. MYRTLE BEACH, SC SOURCE AGENCY USGS STATE 45 COUNTY 051 LATITUDE 334912 LONGITUDE 0784257 NAD27 DATUM 20 NGVD29 Date Processed: 2005-04-01 16:44 By mishealy APPROVED DD #15, ,PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 2000 TO SEPTEMBER 2001 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN FEBRUARY MARCH APRIL MAY 1 364 184 234 497 157 222 120 110 113 2050 184 579 2 854 184 293 257 147 176 120 110 113 4020 195 1020 3 654 184 299 206 147 169 120 100 106 5320 185 1380 4 2610 193 617 416 156 198 110 100 106 9640 195 2190 5 1650 193 412 166 156 163 120 100 106 13900 195 3460 6 973 193 441 186 146 162 111 100 104 22300 235 5260 7 4920 193 1060 595 155 250 111 101 102 27600 695 9790 8 4160 252 973 1940 155 435 111 101 103 25900 436 7820 9 2740 292 882 575 145 230 111 101 104 22400 286 4410 10 1980 212 638 415 145 201 111 101 105 16300 256 3020 11 6050 212 1380 305 135 166 121 101 104 14400 246 2920 12 9130 211 2030 196 146 151 111 91 102 11000 216 1820 13 601 191 240 166 136 146 102 92 100 8170 226 2150 14 361 191 235 146 136 136 112 102 104 17700 257 4760 15 471 190 239 146 136 144 112 102 108 11700 207 2040 16 310 180 208 147 136 144 122 102 108 10400 217 2710 17 360 170 204 157 137 148 132 102 114 11600 237 3540 18 440 160 212 147 137 141 152 112 124 8270 207 2070 19 300 159 190 157 127 139 243 112 147 4350 187 982 20 219 159 172 197 127 152 293 123 168 8740 187 1600 21 219 159 172 147 118 134 243 123 153 7250 188 1470 22 1090 159 305 118 98 105 413 123 166 7940 188 1330 23 269 158 183 108 98 104 1100 133 252 15500 198 2540 24 248 158 185 118 108 111 1740 143 334 20200 238 4550 25 328 168 195 118 108 114 4400 153 521 20200 238 4400 26 188 158 168 119 108 112 8780 184 1420 18800 248 4220 27 257 148 175 119 109 110 10200 184 1830 18400 239 4190 28 357 157 194 119 109 111 9070 184 1410 14200 239 2890 29 --- --- --- 119 109 112 6930 204 1750 13000 269 3980 30 --- --- --- 119 109 112 9550 194 1630 14800 279 4320 31 --- --- --- 119 109 112 --- --- --- 15600 279 4720 MONTH 9130 148 448 1940 98 158 10200 91 390 27600 184 3290 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02110770 A1W AT GRAND STRAND AIRPORT N. MYRTLE BEACH, SC SOURCE AGENCY USGS STATE 45 COUNTY 051 LATITUDE 334912 LONGITUDE 0784257 NAD27 DATUM 20 NGVD29 Date Processed: 2005-04-01 16:44 By mishealy APPROVED DD #15, ,PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 2000 TO SEPTEMBER 2001 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN JUNE JULY AUGUST SEPTEMBER 1 18300 349 6420 1650 180 370 6340 200 1030 2080 200 445 2 7660 250 1530 2470 170 489 3120 179 598 5210 210 935 3 8230 250 1570 4500 180 824 3800 179 599 --- --- --- 4 8260 240 1450 2230 179 417 3920 199 675 --- --- --- 5 6690 240 1200 2220 179 406 3020 198 653 --- --- --- 6 7640 230 1120 1500 179 373 2850 198 578 --- --- --- 7 9080 230 1280 1830 188 418 2430 188 477 --- --- --- 8 11400 250 1680 1830 188 337 2270 187 515 --- --- --- 9 11400 250 1870 707 178 264 2300 177 663 --- --- --- 10 8900 240 1320 2240 177 412 1840 177 521 --- --- --- 11 5030 230 819 1460 177 367 1710 176 448 --- --- --- 12 2230 230 524 767 176 297 3060 166 579 --- --- --- 13 4260 230 835 1100 176 335 6860 186 1280 --- --- --- 14 1480 220 444 406 176 228 7800 185 1520 --- --- --- 15 1800 220 510 616 165 239 14900 205 3740 --- --- --- 16 2940 210 627 1720 165 386 18600 295 6060 --- --- --- 17 4460 210 796 5260 165 908 15400 244 4280 --- --- --- 18 3770 210 689 7740 185 1410 14500 224 3470 8740 210 2030 19 5170 210 893 11600 184 2250 14600 214 3260 9090 200 1730 20 6700 190 1100 23900 254 5510 14800 223 3480 10000 200 1940 21 9830 210 1630 28600 703 10400 16000 273 4500 13100 220 2900 22 12600 220 2000 28200 923 10600 16000 303 5140 11900 220 2670 23 11400 210 1810 26300 413 6640 15000 282 4570 9840 220 2030 24 11000 210 1790 14000 212 1910 8230 192 1860 9310 210 1520 25 11000 210 2110 2790 192 688 9660 192 1890 3050 190 474 26 8890 200 1440 2540 182 666 10100 211 2530 1340 180 336 27 2450 190 547 3270 182 690 --- --- --- 3110 170 487 28 2460 190 578 7240 191 1360 --- --- --- 2530 170 450 29 2650 190 598 1720 181 447 --- --- --- 1880 170 425 30 2210 180 510 2890 180 540 2930 180 580 1570 170 385 31 --- --- --- 8940 190 1630 2580 200 577 --- --- --- MONTH 18300 180 1320 28600 165 1670 --- --- --- --- --- --- 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02110770 A1W AT GRAND STRAND AIRPORT N. MYRTLE BEACH, SC SOURCE AGENCY USGS STATE 45 COUNTY 051 LATITUDE 334912 LONGITUDE 0784257 NAD27 DATUM 20 NGVD29 Date Processed: 2005-04-01 16:44 By mishealy APPROVED DD #15, ,PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 2001 TO SEPTEMBER 2002 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN OCTOBER NOVEMBER DECEMBER JANUARY 1 4500 170 760 19100 340 5610 26600 590 9710 22500 380 5700 2 6380 180 1420 19400 360 5340 27000 720 10100 22500 360 5810 3 --- --- --- 19400 350 5080 28900 880 11400 29900 660 10700 4 --- --- --- 19400 340 5470 28200 1010 10500 12900 360 3010 5 --- --- --- 23400 430 7450 21700 670 6810 16300 350 4620 6 --- --- --- 24600 540 8140 18400 540 5090 9750 310 2090 7 --- --- --- 17500 410 4500 17900 550 5300 1320 310 520 8 --- --- --- 16100 330 3660 21600 620 7490 1940 310 638 9 --- --- --- 18400 350 4890 19900 630 7410 6350 310 1220 10 9570 220 1820 20200 460 7130 27000 690 12200 6390 310 1370 11 9900 230 2040 21600 480 7820 19200 470 4120 9190 330 1700 12 13000 240 2850 27000 620 12000 11000 350 2840 13500 330 3820 13 21500 290 6670 29300 1050 11700 17100 360 4460 8620 350 1870 14 24100 650 10100 26600 760 9020 17800 360 4070 15600 340 3680 15 25000 580 8640 27900 630 9910 12600 330 2530 10700 340 1990 16 29700 1030 13300 29000 790 10100 15200 340 3600 8190 330 1500 17 25600 1000 9480 26600 730 8250 17100 340 4000 6710 330 1280 18 26800 640 8910 25500 600 7780 7300 300 960 4320 330 937 19 25800 700 8460 25700 790 8850 18000 330 3950 7990 330 1620 20 20500 560 5830 19900 610 5820 10200 310 1900 1800 310 513 21 19400 410 5020 23600 750 7830 6560 300 1360 6670 300 1280 22 19100 420 5080 15600 460 4250 7280 310 1370 1940 290 579 23 18400 430 5210 12600 390 2890 4360 310 1020 4740 280 820 24 14000 360 3600 11500 370 3250 2760 290 598 2520 270 496 25 7140 280 1540 8830 350 2380 8260 290 2230 1480 270 495 26 8180 260 1430 7740 330 2090 15200 320 3480 5840 270 1060 27 12900 270 2620 12200 330 3580 9290 310 1900 2890 260 580 28 11100 260 2420 16700 350 5300 14700 310 4390 1790 250 462 29 12000 290 3770 20200 400 6880 17300 330 4880 2170 250 518 30 13500 300 3910 25100 490 8920 20700 340 6020 2480 250 580 31 15800 310 4700 --- --- --- 24000 370 6770 3190 250 636 MONTH --- --- --- 29300 330 6530 28900 290 4920 29900 250 2000 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02110770 A1W AT GRAND STRAND AIRPORT N. MYRTLE BEACH, SC SOURCE AGENCY USGS STATE 45 COUNTY 051 LATITUDE 334912 LONGITUDE 0784257 NAD27 DATUM 20 NGVD29 Date Processed: 2005-04-01 16:44 By mishealy APPROVED DD #15, ,PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 2001 TO SEPTEMBER 2002 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN FEBRUARY MARCH APRIL MAY 1 2710 250 588 12200 300 3130 1000 200 292 --- --- --- 2 2570 250 665 13800 310 3580 1580 200 382 17400 280 3450 3 9020 260 1610 10500 260 1330 1820 200 379 --- --- --- 4 2450 250 518 830 260 335 520 210 282 --- --- --- 5 1330 250 472 640 260 328 3610 220 593 8610 270 1620 6 4340 260 802 1010 260 356 670 210 277 6830 270 1620 7 4810 250 774 570 250 311 380 200 240 4680 250 855 8 680 250 309 490 250 298 320 190 228 4390 240 909 9 1040 250 372 570 240 292 350 190 225 8350 250 1810 10 1600 250 427 380 230 260 560 190 253 8200 240 1700 11 370 240 265 760 230 352 3290 200 744 14100 250 2880 12 1030 240 347 1620 230 470 2310 220 687 9980 260 2620 13 600 240 304 1290 230 389 3000 230 629 7110 250 1240 14 800 240 329 860 230 342 2210 230 497 11200 250 1380 15 620 240 309 1000 240 380 1720 210 392 13500 270 2480 16 390 240 270 580 230 290 1640 230 403 14300 270 2490 17 320 240 264 1120 230 316 2110 220 449 10500 260 1790 18 350 250 271 1290 230 359 2320 210 506 9650 260 1730 19 790 260 350 760 230 350 1910 210 479 7760 280 2430 20 1240 260 406 5790 240 954 2100 210 440 16600 340 5900 21 690 250 316 540 230 303 4730 210 945 16000 350 4770 22 1100 250 363 1880 230 441 2560 210 565 17000 310 4930 23 3050 260 667 3490 230 565 12800 210 2810 14800 300 4000 24 7500 260 1530 850 210 315 17600 270 5250 11000 260 2120 25 7260 270 1400 920 210 309 15900 290 4810 15800 260 2900 26 8170 270 1830 1360 220 432 19900 260 4550 24000 290 5170 27 5980 270 1030 4880 220 1000 --- --- --- 29200 510 8530 28 11800 280 2540 12300 230 2950 --- --- --- 33400 960 11400 29 --- --- --- 12800 250 2910 --- --- --- 34100 1680 15700 30 --- --- --- 12500 230 1500 --- --- --- 31000 880 10700 31 --- --- --- 4460 210 542 --- --- --- 24000 580 7080 MONTH 11800 240 690 13800 210 829 --- --- --- --- --- --- 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02110770 A1W AT GRAND STRAND AIRPORT N. MYRTLE BEACH, SC SOURCE AGENCY USGS STATE 45 COUNTY 051 LATITUDE 334912 LONGITUDE 0784257 NAD27 DATUM 20 NGVD29 Date Processed: 2005-04-01 16:44 By mishealy APPROVED DD #15, ,PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 2001 TO SEPTEMBER 2002 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN JUNE JULY AUGUST SEPTEMBER 1 17800 350 3850 16500 420 5230 19500 660 7570 280 210 243 2 10500 330 2310 12300 380 3630 19500 540 7330 1030 190 307 3 15000 350 4560 10500 360 2730 20700 560 7520 --- --- --- 4 14400 330 3600 14300 360 3710 19300 640 7110 --- --- --- 5 6580 300 1600 13200 340 3070 21700 520 6690 --- --- --- 6 6790 270 1240 17700 350 4580 22400 580 7730 3900 200 687 7 9750 270 1920 15500 380 5090 26600 900 10300 4520 200 811 8 19000 320 5100 12400 330 2480 28100 1020 10700 3060 210 820 9 20700 380 6100 12800 310 2530 24000 910 9380 6440 220 1320 10 16300 320 4180 13700 300 2470 23400 710 6880 12200 240 2610 11 15100 300 2930 27500 340 4830 21000 640 5920 10700 240 2210 12 17200 310 3340 32900 2040 15000 19400 660 5930 15100 250 3720 13 17300 310 3890 32900 1230 13000 17600 640 6290 7490 250 1570 14 17800 360 4960 25900 480 6590 19400 610 6750 3550 230 611 15 20400 480 6850 14300 490 4630 15400 510 5040 1750 220 437 16 22900 550 8330 17600 510 5940 12700 410 2980 1910 220 474 17 20200 440 6330 18000 470 6010 12000 360 2690 7600 230 1350 18 14100 370 3650 21900 520 7770 14800 350 3630 8980 270 1980 19 15400 340 4410 20000 440 6280 20600 430 6220 5650 250 1380 20 13100 340 3630 20900 390 5590 22900 670 8430 3710 240 850 21 15400 330 3540 19400 380 5080 24800 810 9250 2310 250 718 22 10600 340 2780 17600 380 4640 25400 1310 11000 2260 250 722 23 7760 290 1320 10700 320 2500 22500 980 8810 2100 240 600 24 10800 300 1860 10200 320 1920 23100 1240 8980 1950 240 584 25 12600 310 2410 11200 320 2070 21700 1680 9840 3360 250 729 26 12200 310 2330 17300 380 3700 22500 1520 9890 570 230 298 27 12200 320 2260 17300 470 5080 17700 920 5850 640 220 281 28 11800 310 1940 16000 480 4530 12100 350 2310 890 210 298 29 7250 330 1630 13000 450 3800 650 300 399 2410 210 466 30 11000 370 3650 14200 460 4530 400 270 318 5520 220 775 31 --- --- --- 18200 560 7170 380 250 286 --- --- --- MONTH 22900 270 3550 32900 300 5040 28100 250 6520 --- --- --- 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02110770 A1W AT GRAND STRAND AIRPORT N. MYRTLE BEACH, SC SOURCE AGENCY USGS STATE 45 COUNTY 051 LATITUDE 334912 LONGITUDE 0784257 NAD27 DATUM 20 NGVD29 Date Processed: 2005-04-01 16:44 By mishealy APPROVED DD #15, ,PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN OCTOBER NOVEMBER DECEMBER JANUARY 1 2250 210 462 3020 170 684 190 130 141 360 140 166 2 1580 210 380 1650 170 471 650 130 202 200 140 145 3 2700 210 540 2150 170 461 850 140 247 380 140 167 4 7900 220 1470 3500 160 623 3630 140 668 250 140 152 5 11000 240 2790 7070 160 1400 2990 150 473 170 140 144 6 17300 260 4950 3250 160 532 1550 140 302 140 130 138 7 --- --- --- 2200 150 496 1050 140 264 150 140 140 8 --- --- --- 5510 160 821 500 140 189 150 140 144 9 --- --- --- 1400 170 295 680 140 222 160 140 148 10 --- --- --- 380 160 203 370 150 182 160 140 149 11 --- --- --- 210 160 171 160 140 149 160 140 150 12 --- --- --- 180 160 167 160 140 152 150 140 144 13 --- --- --- 190 160 172 170 150 157 150 140 145 14 --- --- --- 340 170 192 160 150 153 160 140 149 15 --- --- --- 420 170 200 180 150 158 170 150 155 16 --- --- --- 260 150 175 170 140 149 300 150 180 17 180 150 161 210 140 153 250 140 156 230 150 169 18 170 130 148 160 140 148 240 140 155 670 150 226 19 160 130 148 180 150 156 190 140 150 230 160 172 20 180 160 166 180 150 155 160 140 144 200 160 169 21 180 140 159 170 140 148 180 140 146 710 160 236 22 190 140 153 150 130 140 170 140 146 3020 170 565 23 210 140 155 160 130 138 230 140 151 1120 170 321 24 380 140 170 160 130 138 480 140 177 230 169 187 25 510 140 184 150 130 137 150 130 141 328 170 208 26 270 150 171 150 130 137 150 130 139 328 170 211 27 530 150 196 150 130 135 150 140 141 328 170 206 28 1210 150 252 150 130 136 150 140 143 1700 174 353 29 2470 150 405 140 130 134 150 130 141 1110 174 284 30 1660 160 397 140 130 134 200 130 143 1420 172 371 31 3770 160 663 --- --- --- 200 140 148 1690 176 372 MONTH --- --- --- 7070 130 302 3630 130 194 3020 130 209 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02110770 A1W AT GRAND STRAND AIRPORT N. MYRTLE BEACH, SC SOURCE AGENCY USGS STATE 45 COUNTY 051 LATITUDE 334912 LONGITUDE 0784257 NAD27 DATUM 20 NGVD29 Date Processed: 2005-04-01 16:44 By mishealy APPROVED DD #15, ,PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN FEBRUARY MARCH APRIL MAY 1 2120 178 440 162 144 150 85 82 83 94 88 89 2 2030 176 411 156 142 148 --- --- --- 96 86 90 3 1310 178 314 150 142 146 --- --- --- 100 90 93 4 428 178 219 150 140 145 --- --- --- 108 98 101 5 276 176 198 148 134 139 --- --- --- 112 96 100 6 344 178 210 144 132 135 --- --- --- 108 92 99 7 446 182 216 144 134 139 --- --- --- 112 96 103 8 226 180 195 144 134 140 --- --- --- 120 102 110 9 330 182 204 142 128 134 --- --- --- 118 104 110 10 400 186 215 132 126 127 106 98 102 122 104 113 11 244 184 200 130 124 126 102 94 98 122 108 115 12 220 180 192 126 124 124 110 94 96 126 108 116 13 324 176 197 128 124 126 104 94 97 338 108 135 14 240 172 188 130 122 125 108 94 97 624 114 170 15 328 170 190 130 124 126 --- --- --- 394 114 144 16 716 170 255 --- --- --- --- --- --- 350 110 136 17 500 170 218 --- --- --- --- --- --- 722 112 151 18 314 166 192 --- --- --- --- --- --- 722 118 164 19 376 168 198 --- --- --- --- --- --- 286 112 132 20 286 164 188 114 100 106 --- --- --- 130 106 115 21 236 160 178 122 92 106 --- --- --- 118 104 110 22 246 154 171 97 87 91 --- --- --- 120 104 113 23 170 148 155 93 89 91 84 80 82 128 108 120 24 206 148 158 97 90 94 80 78 79 138 114 128 25 164 146 153 100 89 95 88 78 81 152 126 137 26 176 146 153 92 88 90 90 84 87 148 124 136 27 188 144 151 91 87 90 88 82 84 144 120 131 28 154 140 146 91 86 89 84 82 82 156 118 130 29 --- --- --- 88 84 86 84 80 83 152 116 126 30 --- --- --- 87 84 85 94 84 86 174 116 128 31 --- --- --- 84 82 84 --- --- --- 142 120 128 MONTH 2120 140 211 --- --- --- --- --- --- 722 86 122 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02110770 A1W AT GRAND STRAND AIRPORT N. MYRTLE BEACH, SC SOURCE AGENCY USGS STATE 45 COUNTY 051 LATITUDE 334912 LONGITUDE 0784257 NAD27 DATUM 20 NGVD29 Date Processed: 2005-04-01 16:44 By mishealy APPROVED DD #15, ,PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN JUNE JULY AUGUST SEPTEMBER 1 178 114 126 106 94 98 122 92 101 104 92 98 2 166 118 127 108 96 100 124 94 103 112 96 102 3 150 114 124 114 98 102 110 94 99 158 98 107 4 128 108 114 118 100 106 120 94 101 248 102 120 5 120 108 111 116 98 106 118 94 103 492 104 155 6 124 108 113 116 98 106 108 94 100 556 110 166 7 118 104 110 114 100 107 112 96 103 438 114 157 8 112 102 107 122 104 110 112 96 102 462 114 158 9 126 110 115 156 108 119 110 92 100 384 114 149 10 122 110 116 --- --- --- 114 96 103 276 114 140 11 120 106 112 --- --- --- 112 96 103 272 116 149 12 118 102 109 122 98 107 114 94 103 272 114 132 13 118 102 108 142 112 124 114 92 100 126 106 114 14 124 106 112 136 108 121 106 92 97 120 106 113 15 124 102 112 124 104 113 102 90 95 124 108 116 16 122 104 109 118 102 109 100 90 93 136 108 119 17 120 104 111 120 102 107 98 88 90 156 108 120 18 122 98 107 118 102 109 100 86 92 122 106 113 19 108 94 101 120 104 111 102 90 95 482 106 155 20 114 96 104 128 106 117 100 88 92 2170 120 310 21 112 96 102 126 110 116 90 86 87 3160 130 426 22 96 90 93 122 106 112 90 84 86 2590 134 413 23 96 90 92 118 106 110 94 84 88 766 130 218 24 100 90 94 126 106 112 96 86 90 2100 134 374 25 100 92 95 120 100 106 100 86 91 2550 140 480 26 102 92 95 112 98 102 104 88 92 1380 146 402 27 104 92 96 110 96 101 102 88 94 2040 144 443 28 104 92 96 112 96 102 98 86 91 1730 144 367 29 108 94 98 114 96 100 98 88 92 670 134 212 30 108 94 99 114 94 100 100 88 94 422 120 164 31 --- --- --- 110 92 99 102 90 95 --- --- --- MONTH 178 90 107 --- --- --- 124 84 96 3160 92 210 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02110770 A1W AT GRAND STRAND AIRPORT N. MYRTLE BEACH, SC SOURCE AGENCY USGS STATE 45 COUNTY 051 LATITUDE 334912 LONGITUDE 0784257 NAD27 DATUM 20 NGVD29 Date Processed: 2005-04-01 16:44 By mishealy APPROVED DD #15, ,PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN OCTOBER NOVEMBER DECEMBER JANUARY 1 294 120 150 170 134 148 250 118 147 119 106 112 2 172 118 130 152 122 137 181 124 140 125 106 114 3 214 114 131 150 122 132 215 124 154 129 106 115 4 154 114 126 140 118 128 336 127 175 133 106 114 5 158 110 124 140 122 130 292 127 156 135 108 117 6 336 114 137 141 122 130 195 125 144 146 112 123 7 576 122 185 151 129 138 297 127 154 243 116 138 8 634 130 191 187 131 146 677 126 187 692 118 179 9 174 132 146 172 129 140 644 126 190 798 116 199 10 166 138 152 142 121 131 965 118 212 638 116 165 11 198 156 169 128 111 119 175 120 129 290 112 135 12 230 154 173 128 106 115 280 124 148 142 110 119 13 218 142 161 128 104 111 420 132 165 164 112 124 14 256 134 161 157 108 119 391 139 163 318 120 156 15 156 118 133 184 112 127 155 136 141 326 120 154 16 302 118 143 147 106 118 155 134 142 536 122 175 17 190 118 132 127 105 114 174 134 147 766 120 190 18 174 116 132 220 109 128 168 128 146 1720 116 299 19 350 120 149 395 115 156 182 132 146 580 114 212 20 190 122 136 412 117 159 199 136 148 2940 120 473 21 264 126 153 1560 126 325 415 134 173 3770 126 616 22 968 130 227 1010 132 244 529 132 170 3070 128 470 23 1630 136 472 1240 122 248 554 126 182 1890 126 395 24 3190 140 619 1730 116 333 799 121 190 1140 134 295 25 2860 142 465 1670 112 330 366 119 141 7570 140 1250 26 984 134 244 2070 115 360 286 115 135 4270 142 630 27 2250 128 404 1480 115 266 286 113 135 156 134 144 28 3210 128 581 326 107 142 138 111 119 158 138 144 29 626 136 209 189 107 121 121 106 114 158 138 147 30 232 142 160 361 113 153 119 104 111 166 140 150 31 182 144 157 --- --- --- 119 106 112 218 140 158 MONTH 3210 110 215 2070 104 172 965 104 152 7570 106 252 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02110770 A1W AT GRAND STRAND AIRPORT N. MYRTLE BEACH, SC SOURCE AGENCY USGS STATE 45 COUNTY 051 LATITUDE 334912 LONGITUDE 0784257 NAD27 DATUM 20 NGVD29 Date Processed: 2005-04-01 16:44 By mishealy APPROVED DD #15, ,PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN FEBRUARY MARCH APRIL MAY 1 350 132 166 116 100 107 280 120 149 698 182 305 2 316 130 159 116 100 107 382 124 185 1020 174 294 3 352 132 162 120 102 110 1370 134 312 774 174 272 4 172 130 147 116 102 107 1110 134 306 4400 174 697 5 824 138 231 122 102 112 2180 136 394 5960 184 864 6 494 146 196 114 100 104 4040 144 574 4570 184 660 7 174 142 151 114 100 104 3420 144 508 4420 188 622 8 222 138 156 116 100 106 4630 144 640 4160 184 612 9 348 142 174 122 100 110 6950 156 1120 2550 172 479 10 218 138 156 132 106 118 9180 158 1470 1390 172 308 11 168 128 142 128 102 110 2550 140 404 538 170 222 12 166 130 145 130 100 111 906 144 268 330 170 204 13 158 130 143 128 98 108 968 140 246 270 174 197 14 158 134 144 108 96 102 222 136 165 310 176 207 15 146 132 139 110 96 102 1660 148 419 636 174 238 16 144 130 139 120 104 112 3530 166 826 954 168 267 17 142 126 132 130 112 122 920 174 306 1480 172 341 18 150 126 137 138 112 123 400 156 211 3210 186 541 19 136 120 128 136 110 120 338 154 189 3290 198 582 20 134 114 121 252 112 136 680 168 218 2340 204 451 21 118 108 112 128 108 116 1190 166 259 3290 202 459 22 116 106 110 130 108 117 1190 152 233 3290 196 484 23 114 104 107 136 110 119 462 156 190 2560 188 417 24 114 102 106 136 114 120 290 158 185 1060 176 287 25 116 102 107 136 116 124 616 168 236 722 182 259 26 122 100 110 142 118 127 900 162 265 1260 186 380 27 124 108 114 148 120 130 328 176 205 3810 190 775 28 126 108 114 198 122 136 568 168 240 5750 194 1200 29 116 104 109 1080 128 217 644 168 258 8210 196 1580 30 --- --- --- 2400 126 282 522 182 252 14100 222 3620 31 --- --- --- 1030 126 211 --- --- --- 9250 204 1910 MONTH 824 100 140 2400 96 127 9180 120 374 14100 168 637 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02110770 A1W AT GRAND STRAND AIRPORT N. MYRTLE BEACH, SC SOURCE AGENCY USGS STATE 45 COUNTY 051 LATITUDE 334912 LONGITUDE 0784257 NAD27 DATUM 20 NGVD29 Date Processed: 2005-04-01 16:44 By mishealy APPROVED DD #15, ,PUBLISHED Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004 DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN JUNE JULY AUGUST SEPTEMBER 1 17800 210 3420 11300 210 1890 25200 434 7470 152 138 144 2 24400 264 5840 9420 206 1550 22300 344 4630 162 144 151 3 27300 348 7440 8700 218 1390 18500 266 3220 164 138 150 4 26600 388 7830 8700 220 1230 5690 232 932 144 128 135 5 26600 454 7540 7490 216 1130 2810 214 679 134 118 127 6 28700 602 9530 4960 214 854 1300 200 386 130 112 119 7 26300 460 7730 5060 214 956 1800 202 475 120 108 113 8 20700 356 5460 2660 210 678 540 198 259 122 106 112 9 13400 296 2930 1140 204 404 592 194 249 118 106 112 10 9900 266 2420 800 196 304 1740 192 376 130 114 120 11 6990 240 1240 1180 190 327 3230 196 505 134 116 123 12 11400 220 2200 1200 194 301 1230 200 334 130 112 120 13 11900 260 3150 1990 184 372 222 186 200 134 110 119 14 5710 204 927 4270 186 671 208 190 199 132 108 122 15 2900 186 515 9950 196 1720 198 176 183 130 100 110 16 2810 178 488 7120 196 1120 200 176 186 112 98 104 17 5460 188 848 3000 192 603 206 168 179 106 96 100 18 10200 192 1370 1460 180 293 192 174 179 116 96 101 19 16700 214 2550 630 182 244 192 132 154 116 94 100 20 16700 230 3310 1010 186 262 162 128 135 100 90 94 21 15200 212 2170 1010 192 333 144 126 134 100 86 91 22 7240 190 856 1470 198 475 160 130 140 98 86 89 23 598 186 267 2780 206 697 192 138 153 98 86 88 24 870 196 346 1700 206 510 232 150 164 98 86 90 25 4980 202 1030 1440 202 406 214 140 161 92 88 89 26 1940 206 432 3420 198 635 252 134 157 94 88 90 27 6680 210 1140 7290 198 1260 432 132 175 100 88 93 28 2660 200 560 10500 206 1770 634 136 202 108 92 96 29 5990 198 987 14700 224 2840 206 142 160 106 90 95 30 9930 206 1700 23600 266 5380 160 136 145 112 96 101 31 --- --- --- 27600 414 8350 152 134 142 --- --- --- MONTH 28700 178 2870 27600 180 1260 25200 126 731 164 86 110 YEAR 28700 86 586