1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02158408 SOUTH TYGER RIVER BELOW DUNCAN, SC SOURCE AGENCY USGS STATE 45 COUNTY 083 LATITUDE 345515 LONGITUDE 0820749 NAD27 DRAINAGE AREA 94.4* CONTRIBUTING DRAINAGE AREA DATUM 728 NGVD29 Date Processed: 2005-04-11 11:50 By mishealy APPROVED DD #4, PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 2000 TO SEPTEMBER 2001 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 --- --- --- --- --- 100 218 57 170 39 41 16 2 --- --- --- --- --- 92 180 46 134 23 37 60 3 --- --- --- --- --- 87 159 43 91 39 34 55 4 --- --- --- --- --- 140 147 42 73 34 35 153 5 --- --- --- --- --- 110 133 40 61 62 35 38 6 --- --- --- --- --- 93 124 38 51 52 33 28 7 --- --- --- --- --- 84 116 35 46 37 31 25 8 --- --- --- --- --- 72 107 34 51 34 29 23 9 --- --- --- --- --- 63 99 42 62 34 27 23 10 --- --- --- --- --- 61 93 56 48 30 26 25 11 --- --- --- --- --- 60 86 40 45 27 24 24 12 --- --- --- --- --- 70 84 39 40 23 21 22 13 --- --- --- --- --- 120 85 37 38 25 21 22 14 --- --- --- --- --- 93 84 35 37 22 23 24 15 --- --- --- --- --- 193 88 31 34 20 21 30 16 --- --- --- --- --- 182 87 28 33 20 20 21 17 --- --- --- --- 123 153 80 26 31 20 21 21 18 --- --- --- --- 96 128 75 25 27 19 20 20 19 --- --- --- --- 77 110 66 24 24 24 21 20 20 --- --- --- --- 69 274 61 25 21 196 18 25 21 --- --- --- --- 66 377 60 49 20 48 17 22 22 --- --- --- --- e90 276 58 63 35 34 16 27 23 --- --- --- --- e80 207 57 76 30 29 15 33 24 --- --- --- --- 71 169 56 68 21 48 16 170 25 --- --- --- --- 138 143 70 76 21 233 15 265 26 --- --- --- --- 155 125 66 82 38 177 15 174 27 --- --- --- --- 138 110 61 71 24 106 e15 113 28 --- --- --- --- 119 102 55 65 22 79 15 83 29 --- --- --- --- --- e280 50 73 21 65 16 64 30 --- --- --- --- --- 413 45 58 31 56 15 51 31 --- --- --- --- --- 276 --- 49 --- 47 15 --- TOTAL --- --- --- --- --- 4763 2750 1473 1380 1702 708 1677 MEAN --- --- --- --- --- 154 91.7 47.5 46.0 54.9 22.8 55.9 MAX --- --- --- --- 413 218 82 170 233 41 265 MIN --- --- --- --- 60 45 24 20 19 15 16 CFSM --- --- --- --- --- 1.63 0.97 0.50 0.49 0.58 0.24 0.59 IN. --- --- --- --- --- 1.88 1.08 0.58 0.54 0.67 0.28 0.66 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 2001 - 2001, BY WATER YEAR (WY) MEAN --- --- --- --- --- 154 91.7 47.5 46.0 54.9 22.8 55.9 MAX --- --- --- --- --- 154 91.7 47.5 46.0 54.9 22.8 55.9 (WY) --- --- --- --- --- 2001 2001 2001 2001 2001 2001 2001 MIN --- --- --- --- --- 154 91.7 47.5 46.0 54.9 22.8 55.9 (WY) --- --- --- --- --- 2001 2001 2001 2001 2001 2001 2001 e Estimated 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02158408 SOUTH TYGER RIVER BELOW DUNCAN, SC SOURCE AGENCY USGS STATE 45 COUNTY 083 LATITUDE 345515 LONGITUDE 0820749 NAD27 DRAINAGE AREA 94.4* CONTRIBUTING DRAINAGE AREA DATUM 728 NGVD29 Date Processed: 2005-04-11 11:50 By mishealy APPROVED DD #4, PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 2001 TO SEPTEMBER 2002 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 43 32 54 47 111 59 132 81 46 18 16 31 2 37 31 52 47 101 105 109 76 37 21 15 26 3 33 33 47 50 93 140 97 70 32 25 14 25 4 31 35 45 53 89 110 88 338 30 54 13 25 5 29 35 42 48 87 93 82 222 44 20 13 23 6 42 33 42 94 90 84 77 167 53 18 12 22 7 36 31 41 91 190 78 71 134 51 16 11 21 8 33 30 40 78 170 74 69 111 48 16 11 21 9 28 30 40 68 139 72 71 94 40 15 10 21 10 25 31 78 63 124 74 77 98 34 15 10 21 11 25 30 129 60 114 69 76 93 30 110 9.5 19 12 27 29 94 58 103 118 75 87 27 53 10 17 13 31 29 85 57 95 140 82 82 25 33 9.7 126 14 115 28 81 55 89 127 80 80 23 30 9.8 200 15 76 30 77 52 84 114 78 79 21 27 13 e750 16 58 30 68 51 81 105 73 69 19 25 180 e450 17 48 30 74 51 77 124 67 64 19 22 94 129 18 42 30 133 50 75 132 63 68 19 21 35 93 19 36 30 117 147 69 113 59 62 18 20 29 81 20 33 31 98 230 73 106 58 54 17 18 27 73 21 31 30 85 191 79 150 54 48 16 18 25 86 22 31 30 73 162 76 130 52 46 16 24 24 136 23 31 39 66 291 71 111 47 45 20 18 23 114 24 32 192 76 331 67 99 43 43 18 17 22 88 25 141 100 69 504 65 95 50 40 17 21 23 80 26 52 79 64 321 65 96 48 38 17 61 26 105 27 48 69 60 234 63 105 46 36 18 64 25 125 28 46 60 55 184 61 92 47 36 16 24 23 115 29 38 54 52 154 --- 85 46 44 16 21 23 100 30 35 55 50 133 --- 122 42 47 15 19 24 84 31 33 --- 48 119 --- 165 --- 47 --- 17 30 --- TOTAL 1346 1326 2135 4074 2601 3287 2059 2599 802 881 810.0 3207 MEAN 43.4 44.2 68.9 131 92.9 106 68.6 83.8 26.7 28.4 26.1 107 MAX 141 192 133 504 190 165 132 338 53 110 180 750 MIN 25 28 40 47 61 59 42 36 15 15 9.5 17 CFSM 0.46 0.47 0.73 1.39 0.98 1.12 0.73 0.89 0.28 0.30 0.28 1.13 IN. 0.53 0.52 0.84 1.61 1.02 1.30 0.81 1.02 0.32 0.35 0.32 1.26 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 2001 - 2002, BY WATER YEAR (WY) MEAN 43.4 44.2 68.9 131 92.9 130 80.2 65.7 36.4 41.7 24.5 81.4 MAX 43.4 44.2 68.9 131 92.9 154 91.7 83.8 46.0 54.9 26.1 107 (WY) 2002 2002 2002 2002 2002 2001 2001 2002 2001 2001 2002 2002 MIN 43.4 44.2 68.9 131 92.9 106 68.6 47.5 26.7 28.4 22.8 55.9 (WY) 2002 2002 2002 2002 2002 2002 2002 2001 2002 2002 2001 2001 SUMMARY STATISTICS FOR 2002 WATER YEAR WATER YEARS 2001 - 2002 ANNUAL TOTAL 25127.0 ANNUAL MEAN 68.8 68.8 HIGHEST ANNUAL MEAN 68.8 2002 LOWEST ANNUAL MEAN 68.8 2002 HIGHEST DAILY MEAN 750 Sep 15 750 Sep 15 2002 LOWEST DAILY MEAN 9.5 Aug 11 9.5 Aug 11 2002 ANNUAL SEVEN-DAY MINIMUM 10 Aug 8 10 Aug 8 2002 MAXIMUM PEAK FLOW 0.00 Mar 29 2001 MAXIMUM PEAK STAGE 12.31 Sep 15 12.31 Sep 15 2002 ANNUAL RUNOFF (CFSM) 0.729 0.729 ANNUAL RUNOFF (INCHES) 9.90 9.91 10 PERCENT EXCEEDS 128 128 50 PERCENT EXCEEDS 52 52 90 PERCENT EXCEEDS 18 18 e Estimated 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02158408 SOUTH TYGER RIVER BELOW DUNCAN, SC SOURCE AGENCY USGS STATE 45 COUNTY 083 LATITUDE 345515 LONGITUDE 0820749 NAD27 DRAINAGE AREA 94.4* CONTRIBUTING DRAINAGE AREA DATUM 728 NGVD29 Date Processed: 2005-04-11 11:50 By mishealy APPROVED DD #4, PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 73 93 75 183 123 186 194 166 183 217 354 159 2 65 83 71 168 113 181 182 201 172 1070 842 166 3 59 75 71 188 108 161 173 197 248 1040 607 162 4 54 71 77 167 152 147 168 183 320 653 446 158 5 49 110 420 150 131 143 193 196 277 425 688 153 6 46 212 399 144 118 398 194 765 255 322 611 142 7 42 159 256 138 184 289 719 974 515 289 1280 134 8 39 125 192 132 147 226 514 628 540 385 1170 130 9 36 109 156 129 130 193 464 433 456 327 632 126 10 37 103 137 124 133 170 636 322 334 260 423 122 11 37 157 311 119 122 153 559 262 266 237 321 118 12 36 224 242 115 114 142 402 230 236 252 282 115 13 82 194 409 112 107 137 312 203 264 228 239 113 14 69 153 395 111 105 136 263 183 210 221 219 111 15 389 131 282 109 113 134 233 179 199 269 205 113 16 966 225 220 106 135 233 212 183 200 444 211 115 17 612 255 183 111 180 190 218 307 209 319 215 112 18 304 205 159 107 165 217 483 271 202 254 212 107 19 196 167 144 102 148 323 293 247 233 244 248 103 20 147 145 435 100 138 e2400 249 224 293 217 193 100 21 128 129 343 100 130 e1500 250 213 280 254 186 99 22 111 119 251 108 434 742 247 e1550 230 286 196 149 23 96 107 201 113 516 480 221 e1500 201 241 182 391 24 87 95 620 109 334 363 201 747 180 244 175 231 25 82 92 660 96 247 297 199 484 165 199 167 179 26 86 88 407 93 208 258 233 366 155 187 158 145 27 78 87 284 92 250 231 218 298 151 189 149 138 28 89 82 228 88 214 211 196 258 156 172 152 140 29 110 80 196 96 --- 199 183 230 168 167 178 114 30 114 79 175 176 --- 255 175 210 165 233 140 104 31 104 --- 162 144 --- 221 --- 196 --- 638 139 --- TOTAL 4423 3954 8161 3830 4999 10916 8784 12406 7463 10483 11220 4249 MEAN 143 132 263 124 179 352 293 400 249 338 362 142 MAX 966 255 660 188 516 2400 719 1550 540 1070 1280 391 MIN 36 71 71 88 105 134 168 166 151 167 139 99 CFSM 1.51 1.40 2.79 1.31 1.89 3.73 3.10 4.24 2.64 3.58 3.83 1.50 IN. 1.74 1.56 3.22 1.51 1.97 4.30 3.46 4.89 2.94 4.13 4.42 1.67 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 2001 - 2003, BY WATER YEAR (WY) MEAN 93.0 88.0 166 127 136 204 151 177 107 140 137 101 MAX 143 132 263 131 179 352 293 400 249 338 362 142 (WY) 2003 2003 2003 2002 2003 2003 2003 2003 2003 2003 2003 2003 MIN 43.4 44.2 68.9 124 92.9 106 68.6 47.5 26.7 28.4 22.8 55.9 (WY) 2002 2002 2002 2003 2002 2002 2002 2001 2002 2002 2001 2001 SUMMARY STATISTICS FOR 2002 CALENDAR YEAR FOR 2003 WATER YEAR WATER YEARS 2001 - 2003 ANNUAL TOTAL 36858.0 90888 ANNUAL MEAN 101 249 159 HIGHEST ANNUAL MEAN 249 2003 LOWEST ANNUAL MEAN 68.8 2002 HIGHEST DAILY MEAN 966 Oct 16 2400 Mar 20 2400 Mar 20 2003 LOWEST DAILY MEAN 9.5 Aug 11 36 Oct 9 9.5 Aug 11 2002 ANNUAL SEVEN-DAY MINIMUM 10 Aug 8 39 Oct 6 10 Aug 8 2002 MAXIMUM PEAK FLOW 0.00 Mar 29 2001 MAXIMUM PEAK STAGE 13.37 Mar 20 13.37 Mar 20 2003 ANNUAL RUNOFF (CFSM) 1.07 2.64 1.68 ANNUAL RUNOFF (INCHES) 14.52 35.82 22.87 10 PERCENT EXCEEDS 203 450 312 50 PERCENT EXCEEDS 75 187 108 90 PERCENT EXCEEDS 18 94 25 e Estimated 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02158408 SOUTH TYGER RIVER BELOW DUNCAN, SC SOURCE AGENCY USGS STATE 45 COUNTY 083 LATITUDE 345515 LONGITUDE 0820749 NAD27 DRAINAGE AREA 94.4* CONTRIBUTING DRAINAGE AREA DATUM 728 NGVD29 Date Processed: 2005-04-11 11:50 By mishealy APPROVED DD #4, PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 102 105 135 118 108 131 151 141 73 114 111 129 2 101 102 128 119 109 133 129 154 69 117 117 148 3 99 100 121 119 221 140 115 139 63 182 128 105 4 98 100 133 120 178 138 109 117 63 129 114 87 5 97 106 158 131 162 134 e104 102 65 146 91 74 6 100 161 153 145 543 133 98 94 62 146 81 70 7 101 138 142 127 934 129 94 87 60 118 71 464 8 120 132 130 117 604 125 94 82 62 137 63 2190 9 125 116 126 116 377 118 94 78 90 112 59 1180 10 125 109 222 113 281 116 93 78 78 87 58 562 11 128 104 292 111 227 115 94 80 71 158 54 345 12 122 102 243 111 257 114 121 79 63 180 312 249 13 117 101 204 109 218 112 244 80 80 131 181 200 14 115 100 383 109 196 110 188 78 184 97 114 167 15 123 93 290 109 218 113 147 76 168 82 94 145 16 112 90 231 107 199 121 125 74 203 73 80 141 17 104 97 215 103 175 118 114 74 147 104 73 565 18 103 99 196 115 163 112 107 111 117 165 72 385 19 101 437 175 117 155 111 102 132 119 109 75 239 20 101 361 158 110 151 110 96 102 113 91 72 172 21 101 262 146 107 146 112 93 90 165 79 73 140 22 102 200 141 106 141 109 90 82 123 72 75 124 23 99 167 138 105 137 101 88 77 107 68 76 114 24 95 164 140 101 137 99 85 73 97 91 74 107 25 94 160 135 111 134 100 83 68 203 135 70 101 26 98 147 129 129 138 101 89 64 318 65 65 96 27 167 137 126 127 155 100 102 60 207 71 61 243 28 139 157 125 124 143 99 93 58 153 115 58 1480 29 127 159 124 117 134 98 85 56 126 291 56 548 30 115 142 129 115 --- 112 82 57 114 238 54 324 31 108 --- 124 113 --- 143 --- 84 --- 139 51 --- TOTAL 3439 4448 5292 3581 6741 3607 3309 2727 3563 3842 2733 10894 MEAN 111 148 171 116 232 116 110 88.0 119 124 88.2 363 MAX 167 437 383 145 934 143 244 154 318 291 312 2190 MIN 94 90 121 101 108 98 82 56 60 65 51 70 CFSM 1.18 1.57 1.81 1.22 2.46 1.23 1.17 0.93 1.26 1.31 0.93 3.85 IN. 1.36 1.75 2.09 1.41 2.66 1.42 1.30 1.07 1.40 1.51 1.08 4.29 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 2001 - 2004, BY WATER YEAR (WY) MEAN 99.0 108 168 123 169 182 141 155 110 136 125 167 MAX 143 148 263 131 232 352 293 400 249 338 362 363 (WY) 2003 2004 2003 2002 2004 2003 2003 2003 2003 2003 2003 2004 MIN 43.4 44.2 68.9 116 92.9 106 68.6 47.5 26.7 28.4 22.8 55.9 (WY) 2002 2002 2002 2004 2002 2002 2002 2001 2002 2002 2001 2001 SUMMARY STATISTICS FOR 2003 CALENDAR YEAR FOR 2004 WATER YEAR WATER YEARS 2001 - 2004 ANNUAL TOTAL 87529 54176 ANNUAL MEAN 240 148 155 HIGHEST ANNUAL MEAN 249 2003 LOWEST ANNUAL MEAN 68.8 2002 HIGHEST DAILY MEAN 2400 Mar 20 2190 Sep 8 2400 Mar 20 2003 LOWEST DAILY MEAN 88 Jan 28 51 Aug 31 9.5 Aug 11 2002 ANNUAL SEVEN-DAY MINIMUM 97 Nov 12 59 Aug 25 10 Aug 8 2002 MAXIMUM PEAK FLOW 2810 Sep 8 3460 Mar 20 2003 MAXIMUM PEAK STAGE 12.24 Sep 8 13.37 Mar 20 2003 ANNUAL RUNOFF (CFSM) 2.54 1.57 1.64 ANNUAL RUNOFF (INCHES) 34.49 21.35 22.35 10 PERCENT EXCEEDS 433 218 281 50 PERCENT EXCEEDS 176 115 112 90 PERCENT EXCEEDS 103 73 31 e Estimated