1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02187910 ROCKY RIVER NR STARR, SC SOURCE AGENCY USGS STATE 45 COUNTY 007 LATITUDE 342259 LONGITUDE 0823439 NAD27 DRAINAGE AREA 111* CONTRIBUTING DRAINAGE AREA DATUM 570 NGVD29 Date Processed: 2005-04-11 12:00 By mishealy APPROVED DD #2, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1988 TO SEPTEMBER 1989 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 --- --- --- --- --- --- --- --- 52 79 65 46 2 --- --- --- --- --- --- --- --- 51 66 79 44 3 --- --- --- --- --- --- --- --- 49 98 72 42 4 --- --- --- --- --- --- --- --- 50 272 64 40 5 --- --- --- --- --- --- --- --- 48 140 58 39 6 --- --- --- --- --- --- --- --- 67 95 56 40 7 --- --- --- --- --- --- --- --- 55 81 58 41 8 --- --- --- --- --- --- --- --- 54 73 56 42 9 --- --- --- --- --- --- --- --- 59 67 48 44 10 --- --- --- --- --- --- --- --- 58 61 46 43 11 --- --- --- --- --- --- --- --- 54 58 44 43 12 --- --- --- --- --- --- --- --- 50 54 43 42 13 --- --- --- --- --- --- --- --- 48 52 43 41 14 --- --- --- --- --- --- --- --- 47 48 43 44 15 --- --- --- --- --- --- --- --- 52 48 45 69 16 --- --- --- --- --- --- --- --- 97 95 50 84 17 --- --- --- --- --- --- --- --- 124 127 57 85 18 --- --- --- --- --- --- --- --- 90 89 53 76 19 --- --- --- --- --- --- --- --- 73 71 50 70 20 --- --- --- --- --- --- --- --- 103 78 47 67 21 --- --- --- --- --- --- --- --- 433 85 46 67 22 --- --- --- --- --- --- --- --- 341 90 45 86 23 --- --- --- --- --- --- --- --- 235 78 44 46 24 --- --- --- --- --- --- --- --- 136 66 43 32 25 --- --- --- --- --- --- --- 69 80 57 42 30 26 --- --- --- --- --- --- --- 66 72 73 46 80 27 --- --- --- --- --- --- --- 63 63 65 59 60 28 --- --- --- --- --- --- --- 60 58 146 67 50 29 --- --- --- --- --- --- --- 58 78 138 55 52 30 --- --- --- --- --- --- --- 54 79 88 52 65 31 --- --- --- --- --- --- --- 53 --- 64 49 --- TOTAL --- --- --- --- --- --- --- --- 2856 2702 1625 1610 MEAN --- --- --- --- --- --- --- --- 95.2 87.2 52.4 53.7 MAX --- --- --- --- --- --- --- 433 272 79 86 MIN --- --- --- --- --- --- --- 47 48 42 30 CFSM --- --- --- --- --- --- --- --- 0.86 0.79 0.47 0.48 IN. --- --- --- --- --- --- --- --- 0.96 0.91 0.54 0.54 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02187910 ROCKY RIVER NR STARR, SC SOURCE AGENCY USGS STATE 45 COUNTY 007 LATITUDE 342259 LONGITUDE 0823439 NAD27 DRAINAGE AREA 111* CONTRIBUTING DRAINAGE AREA DATUM 570 NGVD29 Date Processed: 2005-04-11 12:00 By mishealy APPROVED DD #2, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1989 TO SEPTEMBER 1990 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 850 73 87 306 153 104 230 91 67 37 34 52 2 1200 74 83 266 142 90 154 85 66 36 34 51 3 650 74 79 166 136 360 143 84 68 34 33 51 4 340 76 76 145 159 261 134 162 69 33 35 37 5 140 75 75 164 205 117 128 125 65 32 52 35 6 130 90 74 211 155 99 126 83 62 31 80 34 7 120 201 74 237 138 93 130 80 60 30 60 35 8 105 83 218 258 131 128 125 78 57 29 36 37 9 95 75 436 253 131 186 120 79 53 30 35 40 10 90 71 335 189 520 134 129 134 58 31 34 38 11 80 69 222 154 820 136 155 176 70 30 33 36 12 74 68 207 137 520 127 140 90 57 28 31 62 13 73 131 493 123 230 121 137 82 52 30 29 80 14 73 254 398 111 181 116 128 81 50 43 29 100 15 72 243 216 109 158 113 120 81 49 62 28 83 16 72 325 165 107 370 122 121 79 51 56 28 75 17 72 294 141 106 990 1150 113 78 56 50 27 70 18 81 198 128 105 900 1350 106 82 53 48 26 65 19 208 144 125 106 950 880 102 77 51 49 26 62 20 111 117 125 105 970 401 100 75 49 68 35 60 21 86 103 116 500 480 164 100 90 46 70 50 85 22 84 95 108 700 286 181 96 87 45 105 80 125 23 83 168 101 273 389 173 95 80 44 124 100 82 24 82 163 94 186 257 167 93 76 42 53 60 58 25 80 123 94 397 177 159 91 74 40 47 54 51 26 77 109 95 689 147 156 90 73 40 44 55 46 27 75 102 95 368 132 189 88 71 40 41 55 44 28 72 99 94 218 126 170 92 74 40 39 54 43 29 70 96 93 185 --- 171 174 81 40 38 54 42 30 70 96 97 220 --- 188 163 75 39 38 54 40 31 72 --- 117 181 --- 222 --- 69 --- 36 52 --- TOTAL 5487 3889 4861 7275 9953 8028 3723 2752 1579 1422 1393 1719 MEAN 177 130 157 235 355 259 124 88.8 52.6 45.9 44.9 57.3 MAX 1200 325 493 700 990 1350 230 176 70 124 100 125 MIN 70 68 74 105 126 90 88 69 39 28 26 34 CFSM 1.59 1.17 1.41 2.11 3.20 2.33 1.12 0.80 0.47 0.41 0.40 0.52 IN. 1.84 1.30 1.63 2.44 3.34 2.69 1.25 0.92 0.53 0.48 0.47 0.58 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02187910 ROCKY RIVER NR STARR, SC SOURCE AGENCY USGS STATE 45 COUNTY 007 LATITUDE 342259 LONGITUDE 0823439 NAD27 DRAINAGE AREA 111* CONTRIBUTING DRAINAGE AREA DATUM 570 NGVD29 Date Processed: 2005-04-11 12:00 By mishealy APPROVED DD #2, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1990 TO SEPTEMBER 1991 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 52 75 63 106 233 120 178 223 102 79 94 89 2 50 72 61 137 171 255 188 180 126 75 95 79 3 45 71 71 254 134 341 160 150 127 71 93 65 4 47 68 92 269 169 518 148 129 117 69 81 64 5 49 75 85 217 137 310 150 133 97 69 75 63 6 48 78 75 164 127 206 175 241 85 68 71 62 7 43 74 68 146 140 214 155 173 78 87 75 64 8 43 85 65 149 128 192 140 143 74 69 73 63 9 47 105 63 129 117 206 171 128 70 63 71 63 10 50 150 62 112 109 171 183 135 64 61 78 61 11 100 112 61 205 104 150 146 121 58 59 76 60 12 400 90 60 406 99 136 132 109 55 55 950 59 13 800 78 58 277 98 188 121 349 53 53 1400 58 14 400 74 66 185 174 184 115 160 58 53 425 58 15 215 68 66 148 153 91 116 116 112 51 545 57 16 110 66 67 222 123 82 118 103 103 54 208 56 17 80 65 68 208 113 82 112 103 63 80 179 55 18 90 63 70 166 112 93 108 100 360 122 116 57 19 87 62 81 147 117 95 107 150 263 117 105 61 20 80 62 83 170 159 83 127 308 750 88 97 65 21 75 61 95 173 220 78 118 115 298 75 90 59 22 170 62 90 158 172 76 107 112 163 71 86 55 23 330 63 105 148 256 75 100 112 95 67 83 54 24 430 61 300 148 258 74 88 106 91 64 79 53 25 260 58 250 165 187 71 86 99 89 79 81 78 26 148 59 200 149 157 69 85 92 102 90 229 108 27 110 60 150 139 136 69 153 91 119 91 186 81 28 95 63 119 135 123 88 352 92 92 169 121 66 29 92 73 87 131 --- 310 320 95 87 158 106 60 30 87 65 91 212 --- 1320 560 90 83 102 103 57 31 81 --- 107 345 --- 496 --- 138 --- 91 95 --- TOTAL 4714 2218 2979 5720 4226 6443 4819 4396 4034 2500 6166 1930 MEAN 152 73.9 96.1 185 151 208 161 142 134 80.6 199 64.3 MAX 800 150 300 406 258 1320 560 349 750 169 1400 108 MIN 43 58 58 106 98 69 85 90 53 51 71 53 CFSM 1.37 0.67 0.87 1.66 1.36 1.87 1.45 1.28 1.21 0.73 1.79 0.58 IN. 1.58 0.74 1.00 1.92 1.42 2.16 1.62 1.47 1.35 0.84 2.07 0.65 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1989 - 1991, BY WATER YEAR (WY) MEAN 165 102 126 210 253 233 142 115 94.1 71.2 98.8 58.4 MAX 177 130 157 235 355 259 161 142 134 87.2 199 64.3 (WY) 1990 1990 1990 1990 1990 1990 1991 1991 1991 1989 1991 1991 MIN 152 73.9 96.1 185 151 208 124 88.8 52.6 45.9 44.9 53.7 (WY) 1991 1991 1991 1991 1991 1991 1990 1990 1990 1990 1990 1989 SUMMARY STATISTICS FOR 1990 CALENDAR YEAR FOR 1991 WATER YEAR WATER YEARS 1989 - 1991 ANNUAL TOTAL 50145 ANNUAL MEAN 137 140 HIGHEST ANNUAL MEAN 143 1990 LOWEST ANNUAL MEAN 137 1991 HIGHEST DAILY MEAN 1400 Aug 13 1400 Aug 13 1991 LOWEST DAILY MEAN 43 Oct 7 26 Aug 18 1990 ANNUAL SEVEN-DAY MINIMUM 46 Oct 3 28 Aug 13 1990 MAXIMUM PEAK FLOW 0.00 Aug 12 0.00 Mar 18 1990 MAXIMUM PEAK STAGE 11.53 Aug 12 15.55 Mar 18 1990 ANNUAL RUNOFF (CFSM) 1.24 1.26 ANNUAL RUNOFF (INCHES) 16.81 17.14 10 PERCENT EXCEEDS 236 223 50 PERCENT EXCEEDS 98 87 90 PERCENT EXCEEDS 60 46 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02187910 ROCKY RIVER NR STARR, SC SOURCE AGENCY USGS STATE 45 COUNTY 007 LATITUDE 342259 LONGITUDE 0823439 NAD27 DRAINAGE AREA 111* CONTRIBUTING DRAINAGE AREA DATUM 570 NGVD29 Date Processed: 2005-04-11 12:00 By mishealy APPROVED DD #2, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1991 TO SEPTEMBER 1992 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 57 52 66 81 86 166 155 108 70 77 34 54 2 56 65 72 79 82 127 142 105 66 117 33 51 3 58 61 93 144 80 88 123 102 67 82 31 49 4 58 56 137 143 79 83 109 100 173 82 29 48 5 58 56 137 92 78 79 108 98 114 70 26 142 6 57 58 69 162 78 282 109 95 86 64 25 854 7 55 58 61 280 76 446 113 123 75 66 26 200 8 53 58 61 235 72 248 115 366 71 74 27 122 9 52 59 63 195 71 181 114 348 137 64 27 102 10 52 86 68 162 70 237 112 178 210 57 26 105 11 52 93 68 127 71 213 116 172 146 53 26 93 12 52 79 65 103 70 187 122 130 105 50 26 88 13 50 70 63 92 71 165 121 110 106 47 37 79 14 49 66 74 89 71 141 117 105 101 44 58 74 15 49 63 85 83 90 115 112 100 98 40 52 71 16 53 62 75 77 180 112 110 93 92 41 44 70 17 53 61 69 73 140 109 119 132 90 41 43 67 18 51 60 68 71 120 111 109 77 84 47 47 65 19 51 60 63 72 110 278 104 76 78 45 41 73 20 50 59 63 74 100 300 128 83 73 44 38 70 21 49 60 62 72 90 221 365 78 68 42 157 75 22 49 64 63 72 96 194 701 74 63 41 172 80 23 50 69 64 166 143 370 273 69 60 47 136 88 24 52 65 89 215 238 370 195 66 58 44 97 153 25 53 61 82 143 280 151 138 65 58 44 82 141 26 50 58 74 115 671 214 130 66 57 41 65 106 27 51 57 69 104 829 237 120 66 55 48 179 176 28 51 57 118 103 339 174 117 65 55 45 140 428 29 53 58 293 99 212 125 114 66 75 42 105 245 30 51 59 175 93 --- 131 110 71 71 39 79 177 31 50 --- 85 89 --- 153 --- 73 --- 36 61 --- TOTAL 1625 1890 2694 3705 4693 6008 4621 3460 2662 1674 1969 4146 MEAN 52.4 63.0 86.9 120 162 194 154 112 88.7 54.0 63.5 138 MAX 58 93 293 280 829 446 701 366 210 117 179 854 MIN 49 52 61 71 70 79 104 65 55 36 25 48 CFSM 0.47 0.57 0.78 1.08 1.46 1.75 1.39 1.01 0.80 0.49 0.57 1.25 IN. 0.54 0.63 0.90 1.24 1.57 2.01 1.55 1.16 0.89 0.56 0.66 1.39 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1989 - 1992, BY WATER YEAR (WY) MEAN 127 88.9 113 180 222 220 146 114 92.8 66.9 89.9 78.4 MAX 177 130 157 235 355 259 161 142 134 87.2 199 138 (WY) 1990 1990 1990 1990 1990 1990 1991 1991 1991 1989 1991 1992 MIN 52.4 63.0 86.9 120 151 194 124 88.8 52.6 45.9 44.9 53.7 (WY) 1992 1992 1992 1992 1991 1992 1990 1990 1990 1990 1990 1989 SUMMARY STATISTICS FOR 1991 CALENDAR YEAR FOR 1992 WATER YEAR WATER YEARS 1989 - 1992 ANNUAL TOTAL 39147 ANNUAL MEAN 107 129 HIGHEST ANNUAL MEAN 143 1990 LOWEST ANNUAL MEAN 107 1992 HIGHEST DAILY MEAN 854 Sep 6 1400 Aug 13 1991 LOWEST DAILY MEAN 25 Aug 6 25 Aug 6 1992 ANNUAL SEVEN-DAY MINIMUM 26 Aug 5 26 Aug 5 1992 MAXIMUM PEAK FLOW 1260 Sep 6 0.00 Mar 18 1990 MAXIMUM PEAK STAGE 10.86 Sep 6 15.55 Mar 18 1990 ANNUAL RUNOFF (CFSM) 0.964 1.16 ANNUAL RUNOFF (INCHES) 13.12 15.79 10 PERCENT EXCEEDS 183 215 50 PERCENT EXCEEDS 77 83 90 PERCENT EXCEEDS 48 46 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02187910 ROCKY RIVER NR STARR, SC SOURCE AGENCY USGS STATE 45 COUNTY 007 LATITUDE 342259 LONGITUDE 0823439 NAD27 DRAINAGE AREA 111* CONTRIBUTING DRAINAGE AREA DATUM 570 NGVD29 Date Processed: 2005-04-11 12:00 By mishealy APPROVED DD #2, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1992 TO SEPTEMBER 1993 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 140 88 181 248 199 190 458 154 207 58 44 34 2 118 127 167 234 191 163 303 143 126 58 43 36 3 96 129 147 215 182 132 281 155 116 57 42 40 4 479 205 144 331 178 566 241 338 115 54 49 50 5 669 360 149 808 175 772 466 752 114 52 47 54 6 247 198 126 900 174 394 611 257 109 50 49 52 7 184 148 142 524 179 190 314 185 99 47 51 49 8 250 140 156 551 620 181 330 189 89 48 51 46 9 677 105 152 726 555 227 297 156 90 85 52 44 10 351 102 215 636 315 210 393 134 88 61 51 43 11 230 100 276 467 254 178 296 133 85 55 48 41 12 141 338 231 747 281 177 250 132 79 51 45 37 13 120 782 132 972 273 823 258 140 76 49 43 36 14 111 301 127 771 228 1060 212 179 83 47 44 35 15 106 204 129 447 202 800 216 132 84 44 45 34 16 102 167 217 352 227 550 216 118 90 50 44 36 17 98 139 1740 304 272 400 228 135 82 49 42 39 18 97 114 1540 263 225 317 198 110 79 47 40 39 19 91 114 553 244 197 181 192 143 79 46 39 37 20 85 121 435 230 185 208 174 134 73 45 37 52 21 84 162 402 535 196 237 220 134 72 44 42 147 22 83 155 377 1020 290 226 202 127 72 45 44 80 23 83 195 268 870 279 358 145 122 71 58 42 62 24 82 164 290 405 216 1090 160 112 67 65 59 54 25 82 277 195 395 194 620 170 105 63 61 53 52 26 82 1170 234 314 213 533 186 139 61 86 43 47 27 82 851 244 267 233 1390 190 145 62 96 41 45 28 105 378 760 243 208 1310 176 141 63 67 40 44 29 97 228 783 227 --- 588 171 106 62 59 43 43 30 91 200 447 215 --- 312 168 114 59 52 40 41 31 85 --- 298 203 --- 304 --- 193 --- 47 36 --- TOTAL 5348 7762 11257 14664 6941 14687 7722 5257 2615 1733 1389 1449 MEAN 173 259 363 473 248 474 257 170 87.2 55.9 44.8 48.3 MAX 677 1170 1740 1020 620 1390 611 752 207 96 59 147 MIN 82 88 126 203 174 132 145 105 59 44 36 34 CFSM 1.55 2.33 3.27 4.26 2.23 4.27 2.32 1.53 0.79 0.50 0.40 0.44 IN. 1.79 2.60 3.77 4.91 2.33 4.92 2.59 1.76 0.88 0.58 0.47 0.49 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1989 - 1993, BY WATER YEAR (WY) MEAN 138 131 176 253 228 284 174 128 91.6 64.7 80.9 72.4 MAX 177 259 363 473 355 474 257 170 134 87.2 199 138 (WY) 1990 1993 1993 1993 1990 1993 1993 1993 1991 1989 1991 1992 MIN 52.4 63.0 86.9 120 151 194 124 88.8 52.6 45.9 44.8 48.3 (WY) 1992 1992 1992 1992 1991 1992 1990 1990 1990 1990 1993 1993 SUMMARY STATISTICS FOR 1992 CALENDAR YEAR FOR 1993 WATER YEAR WATER YEARS 1989 - 1993 ANNUAL TOTAL 80824 ANNUAL MEAN 221 152 HIGHEST ANNUAL MEAN 221 1993 LOWEST ANNUAL MEAN 107 1992 HIGHEST DAILY MEAN 1740 Dec 17 1740 Dec 17 1992 LOWEST DAILY MEAN 34 Sep 1 25 Aug 6 1992 ANNUAL SEVEN-DAY MINIMUM 37 Sep 12 26 Aug 5 1992 MAXIMUM PEAK FLOW 2220 Dec 17 0.00 Mar 18 1990 MAXIMUM PEAK STAGE 14.18 Dec 17 15.55 Mar 18 1990 ANNUAL RUNOFF (CFSM) 1.99 1.37 ANNUAL RUNOFF (INCHES) 27.09 18.62 10 PERCENT EXCEEDS 534 276 50 PERCENT EXCEEDS 145 90 90 PERCENT EXCEEDS 44 45 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02187910 ROCKY RIVER NR STARR, SC SOURCE AGENCY USGS STATE 45 COUNTY 007 LATITUDE 342259 LONGITUDE 0823439 NAD27 DRAINAGE AREA 111* CONTRIBUTING DRAINAGE AREA DATUM 570 NGVD29 Date Processed: 2005-04-11 12:00 By mishealy APPROVED DD #2, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1993 TO SEPTEMBER 1994 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 38 107 89 87 127 130 218 89 55 91 70 71 2 38 59 84 85 128 539 217 83 55 77 78 114 3 37 55 80 94 115 630 192 84 58 71 69 109 4 37 53 80 187 109 332 159 123 58 80 107 94 5 36 196 238 155 115 243 123 82 108 167 111 83 6 35 218 126 112 132 205 176 78 221 103 85 80 7 34 99 98 105 125 163 209 76 104 78 72 80 8 37 75 89 200 148 151 115 81 84 72 66 79 9 35 68 85 97 171 142 112 81 77 78 62 74 10 34 65 99 124 172 164 115 78 74 77 59 74 11 34 64 96 147 222 155 117 75 80 76 57 70 12 35 64 87 262 325 138 121 73 80 90 55 66 13 35 63 79 338 251 129 178 72 99 77 60 64 14 34 62 112 286 204 126 131 69 80 83 57 61 15 34 64 161 278 181 107 129 83 72 71 147 59 16 35 64 106 187 166 74 259 88 140 65 341 58 17 37 64 94 146 155 71 156 80 98 62 1950 100 18 38 70 89 155 154 70 123 75 91 59 1410 92 19 38 67 87 122 156 70 115 67 81 59 451 80 20 38 67 90 139 151 69 110 64 74 64 174 71 21 38 63 164 131 148 69 106 63 66 58 182 67 22 44 60 120 124 151 71 104 65 56 77 183 65 23 57 60 128 111 174 70 101 64 54 102 137 61 24 51 59 102 107 302 74 97 62 56 233 113 66 25 47 59 96 107 237 332 94 61 73 186 102 79 26 46 58 92 103 182 303 94 57 67 91 96 75 27 47 256 88 103 143 220 94 67 285 81 89 67 28 46 312 85 172 131 347 113 63 381 79 85 62 29 45 126 95 203 --- 851 101 60 423 76 81 59 30 211 100 100 157 --- 545 94 57 118 70 75 57 31 131 --- 92 136 --- 237 --- 56 --- 65 68 --- TOTAL 1482 2797 3231 4760 4775 6827 4073 2276 3368 2718 6692 2237 MEAN 47.8 93.2 104 154 171 220 136 73.4 112 87.7 216 74.6 MAX 211 312 238 338 325 851 259 123 423 233 1950 114 MIN 34 53 79 85 109 69 94 56 54 58 55 57 CFSM 0.43 0.84 0.94 1.38 1.54 1.98 1.22 0.66 1.01 0.79 1.94 0.67 IN. 0.50 0.94 1.08 1.60 1.60 2.29 1.37 0.76 1.13 0.91 2.24 0.75 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1989 - 1994, BY WATER YEAR (WY) MEAN 120 124 161 233 217 271 166 117 95.1 68.5 103 72.7 MAX 177 259 363 473 355 474 257 170 134 87.7 216 138 (WY) 1990 1993 1993 1993 1990 1993 1993 1993 1991 1994 1994 1992 MIN 47.8 63.0 86.9 120 151 194 124 73.4 52.6 45.9 44.8 48.3 (WY) 1994 1992 1992 1992 1991 1992 1990 1994 1990 1990 1993 1993 SUMMARY STATISTICS FOR 1993 CALENDAR YEAR FOR 1994 WATER YEAR WATER YEARS 1989 - 1994 ANNUAL TOTAL 45236 ANNUAL MEAN 124 146 HIGHEST ANNUAL MEAN 221 1993 LOWEST ANNUAL MEAN 107 1992 HIGHEST DAILY MEAN 1950 Aug 17 1950 Aug 17 1994 LOWEST DAILY MEAN 34 Oct 7 25 Aug 6 1992 ANNUAL SEVEN-DAY MINIMUM 34 Oct 9 26 Aug 5 1992 MAXIMUM PEAK FLOW 2350 Aug 17 2350 Aug 17 1994 MAXIMUM PEAK STAGE 13.33 Aug 17 15.55 Mar 18 1990 ANNUAL RUNOFF (CFSM) 1.12 1.32 ANNUAL RUNOFF (INCHES) 15.16 17.93 10 PERCENT EXCEEDS 213 258 50 PERCENT EXCEEDS 88 90 90 PERCENT EXCEEDS 56 47 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02187910 ROCKY RIVER NR STARR, SC SOURCE AGENCY USGS STATE 45 COUNTY 007 LATITUDE 342259 LONGITUDE 0823439 NAD27 DRAINAGE AREA 111* CONTRIBUTING DRAINAGE AREA DATUM 570 NGVD29 Date Processed: 2005-04-11 12:00 By mishealy APPROVED DD #2, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1994 TO SEPTEMBER 1995 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 55 87 122 119 185 268 97 78 67 88 49 135 2 55 86 110 109 162 219 99 187 72 79 46 115 3 129 83 102 104 150 187 102 89 87 83 44 103 4 77 80 153 102 147 207 102 75 74 95 46 95 5 67 78 672 100 140 204 102 78 81 64 47 88 6 60 80 352 128 134 228 101 78 246 57 44 84 7 58 81 197 560 133 226 106 76 161 53 42 82 8 57 79 155 545 134 241 131 75 119 50 67 78 9 60 77 161 420 130 286 122 76 76 47 66 76 10 221 78 116 366 147 234 110 78 70 46 60 75 11 117 88 138 187 379 220 75 79 67 45 70 108 12 162 85 129 151 231 207 99 75 103 42 76 101 13 326 79 116 137 175 166 87 72 75 40 55 89 14 276 76 110 228 164 114 89 76 71 39 47 103 15 166 76 140 858 200 110 87 92 65 38 43 90 16 122 76 95 1050 800 105 87 87 62 37 40 99 17 105 76 93 482 1510 87 87 78 60 36 38 112 18 95 77 95 256 1420 80 88 74 58 37 36 94 19 89 75 95 210 880 78 88 75 56 37 34 83 20 98 73 93 201 437 77 86 77 56 41 135 77 21 98 94 92 171 297 79 159 72 56 44 159 74 22 134 106 256 151 244 80 102 67 75 40 96 72 23 161 93 456 146 219 76 134 64 60 38 71 95 24 143 83 320 144 202 74 92 62 66 43 72 91 25 103 78 182 134 188 73 89 60 68 39 67 203 26 94 82 155 129 187 71 84 59 70 36 522 538 27 88 162 137 125 180 73 82 60 69 188 3630 205 28 85 157 158 208 217 88 82 66 63 128 3770 141 29 82 152 113 279 --- 93 80 71 59 78 959 124 30 81 144 112 204 --- 118 78 59 53 62 212 57 31 84 --- 167 189 --- 97 --- 71 --- 54 150 --- TOTAL 3548 2741 5392 8193 9392 4466 2927 2386 2365 1804 10793 3487 MEAN 114 91.4 174 264 335 144 97.6 77.0 78.8 58.2 348 116 MAX 326 162 672 1050 1510 286 159 187 246 188 3770 538 MIN 55 73 92 100 130 71 75 59 53 36 34 57 CFSM 1.03 0.82 1.57 2.38 3.02 1.30 0.88 0.69 0.71 0.52 3.14 1.05 IN. 1.19 0.92 1.81 2.75 3.15 1.50 0.98 0.80 0.79 0.60 3.62 1.17 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1989 - 1995, BY WATER YEAR (WY) MEAN 119 118 164 238 237 250 155 110 92.8 67.1 138 78.9 MAX 177 259 363 473 355 474 257 170 134 87.7 348 138 (WY) 1990 1993 1993 1993 1990 1993 1993 1993 1991 1994 1995 1992 MIN 47.8 63.0 86.9 120 151 144 97.6 73.4 52.6 45.9 44.8 48.3 (WY) 1994 1992 1992 1992 1991 1995 1995 1994 1990 1990 1993 1993 SUMMARY STATISTICS FOR 1994 CALENDAR YEAR FOR 1995 WATER YEAR WATER YEARS 1989 - 1995 ANNUAL TOTAL 57494 ANNUAL MEAN 158 148 HIGHEST ANNUAL MEAN 221 1993 LOWEST ANNUAL MEAN 107 1992 HIGHEST DAILY MEAN 3770 Aug 28 3770 Aug 28 1995 LOWEST DAILY MEAN 34 Aug 19 25 Aug 6 1992 ANNUAL SEVEN-DAY MINIMUM 38 Jul 13 26 Aug 5 1992 MAXIMUM PEAK FLOW 5100 Aug 28 5100 Aug 28 1995 MAXIMUM PEAK STAGE 16.63 Aug 28 16.63 Aug 28 1995 ANNUAL RUNOFF (CFSM) 1.42 1.34 ANNUAL RUNOFF (INCHES) 19.27 18.15 10 PERCENT EXCEEDS 228 256 50 PERCENT EXCEEDS 91 90 90 PERCENT EXCEEDS 55 47 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02187910 ROCKY RIVER NR STARR, SC SOURCE AGENCY USGS STATE 45 COUNTY 007 LATITUDE 342259 LONGITUDE 0823439 NAD27 DRAINAGE AREA 111* CONTRIBUTING DRAINAGE AREA DATUM 570 NGVD29 Date Processed: 2005-04-11 12:00 By mishealy APPROVED DD #2, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1995 TO SEPTEMBER 1996 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 51 135 77 156 265 --- --- --- --- --- --- --- 2 50 184 74 156 794 --- --- --- --- --- --- --- 3 49 237 79 153 2200 --- --- --- --- --- --- --- 4 214 165 88 92 1130 --- --- --- --- --- --- --- 5 454 129 94 88 371 --- --- --- --- --- --- --- 6 326 130 98 138 202 --- --- --- --- --- --- --- 7 192 267 125 223 185 --- --- --- --- --- --- --- 8 155 559 129 167 276 --- --- --- --- --- --- --- 9 131 380 171 146 160 --- --- --- --- --- --- --- 10 65 218 187 233 151 --- --- --- --- --- --- --- 11 59 378 127 168 157 --- --- --- --- --- --- --- 12 56 728 84 155 194 --- --- --- --- --- --- --- 13 62 510 79 127 164 --- --- --- --- --- --- --- 14 181 257 77 110 129 --- --- --- --- --- --- --- 15 387 206 75 156 221 --- --- --- --- --- --- --- 16 244 185 74 106 119 --- --- --- --- --- --- --- 17 193 175 73 105 116 --- --- --- --- --- --- --- 18 151 169 72 231 118 --- --- --- --- --- --- --- 19 141 165 136 369 160 --- --- --- --- --- --- --- 20 122 134 151 197 294 --- --- --- --- --- --- --- 21 62 83 102 147 211 --- --- --- --- --- --- --- 22 57 78 88 258 147 --- --- --- --- --- --- --- 23 55 76 83 117 142 --- --- --- --- --- --- --- 24 54 92 80 232 143 --- --- --- --- --- --- --- 25 54 115 81 129 139 --- --- --- --- --- --- --- 26 64 116 84 212 168 --- --- --- --- --- --- --- 27 121 139 89 1190 169 --- --- --- --- --- --- --- 28 103 165 123 1150 175 --- --- --- --- --- --- --- 29 92 157 95 544 108 --- --- --- --- --- --- --- 30 89 143 112 211 --- --- --- --- --- --- --- --- 31 135 --- 89 368 --- --- --- --- --- --- --- --- TOTAL 4169 6475 3096 7834 8808 --- --- --- --- --- --- --- MEAN 134 216 99.9 253 304 --- --- --- --- --- --- --- MAX 454 728 187 1190 2200 --- --- --- --- --- --- --- MIN 49 76 72 88 108 --- --- --- --- --- --- --- CFSM 1.21 1.94 0.90 2.28 2.74 --- --- --- --- --- --- --- IN. 1.40 2.17 1.04 2.63 2.95 --- --- --- --- --- --- --- STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1989 - 1996, BY WATER YEAR (WY) MEAN 122 132 154 240 246 250 155 110 92.8 67.1 138 78.9 MAX 177 259 363 473 355 474 257 170 134 87.7 348 138 (WY) 1990 1993 1993 1993 1990 1993 1993 1993 1991 1994 1995 1992 MIN 47.8 63.0 86.9 120 151 144 97.6 73.4 52.6 45.9 44.8 48.3 (WY) 1994 1992 1992 1992 1991 1995 1995 1994 1990 1990 1993 1993 SUMMARY STATISTICS FOR 1995 CALENDAR YEAR WATER YEARS 1989 - 1996 ANNUAL MEAN 148 HIGHEST ANNUAL MEAN 221 1993 LOWEST ANNUAL MEAN 107 1992 HIGHEST DAILY MEAN 3770 Aug 28 1995 LOWEST DAILY MEAN 25 Aug 6 1992 ANNUAL SEVEN-DAY MINIMUM 26 Aug 5 1992 MAXIMUM PEAK FLOW 5100 Aug 28 1995 MAXIMUM PEAK STAGE 16.63 Aug 28 1995 ANNUAL RUNOFF (CFSM) 1.34 ANNUAL RUNOFF (INCHES) 18.15 10 PERCENT EXCEEDS 258 50 PERCENT EXCEEDS 92 90 PERCENT EXCEEDS 48 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02187910 ROCKY RIVER NR STARR, SC SOURCE AGENCY USGS STATE 45 COUNTY 007 LATITUDE 342259 LONGITUDE 0823439 NAD27 DRAINAGE AREA 111* CONTRIBUTING DRAINAGE AREA DATUM 570 NGVD29 Date Processed: 2005-04-11 12:00 By mishealy APPROVED DD #2, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 106 195 250 82 110 860 101 184 238 71 100 33 2 101 390 466 127 106 390 95 165 197 70 70 33 3 92 199 270 80 165 225 141 429 158 67 62 33 4 74 126 166 79 106 270 94 472 102 62 58 32 5 70 96 138 96 129 181 92 249 73 58 69 30 6 63 82 128 164 225 229 172 208 72 56 73 30 7 162 81 117 116 113 239 111 125 71 54 75 29 8 91 174 112 80 169 132 90 109 73 54 50 29 9 64 193 110 531 265 129 87 112 73 55 47 29 10 55 123 111 764 146 136 87 111 92 55 48 34 11 53 94 110 233 118 137 91 106 89 54 49 45 12 54 83 100 176 156 181 130 103 160 54 48 42 13 54 76 243 218 299 173 108 100 128 52 48 40 14 54 74 140 155 549 207 101 97 132 51 55 37 15 54 74 95 106 738 149 96 121 383 49 58 36 16 54 93 82 176 442 127 94 82 227 47 49 35 17 54 85 83 184 193 182 93 78 190 47 46 34 18 55 82 82 150 228 133 91 78 146 46 43 34 19 55 91 86 134 171 151 89 79 84 49 42 33 20 55 86 80 181 167 158 90 95 74 47 40 33 21 55 83 71 122 165 126 153 90 73 45 53 32 22 54 84 69 127 254 123 129 83 74 45 48 31 23 55 84 68 117 157 122 193 78 74 128 43 31 24 55 82 69 201 146 158 118 75 75 172 41 34 25 55 79 69 601 218 113 112 91 74 110 39 241 26 54 99 67 572 134 141 102 83 70 80 38 122 27 55 92 65 260 136 116 155 81 70 65 37 69 28 58 89 67 170 775 206 614 85 106 60 37 61 29 59 81 72 194 --- 152 691 93 96 55 36 76 30 58 79 76 126 --- 134 280 146 77 107 36 64 31 58 --- 79 196 --- 182 --- 86 --- 218 34 --- TOTAL 2036 3349 3741 6518 6580 5962 4600 4094 3551 2183 1572 1442 MEAN 65.7 112 121 210 235 192 153 132 118 70.4 50.7 48.1 MAX 162 390 466 764 775 860 691 472 383 218 100 241 MIN 53 74 65 79 106 113 87 75 70 45 34 29 CFSM 0.59 1.01 1.09 1.89 2.12 1.73 1.38 1.19 1.07 0.63 0.46 0.43 IN. 0.68 1.12 1.25 2.18 2.21 2.00 1.54 1.37 1.19 0.73 0.53 0.48 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1989 - 1997, BY WATER YEAR (WY) MEAN 115 130 150 237 245 242 155 113 96.0 67.5 127 75.1 MAX 177 259 363 473 355 474 257 170 134 87.7 348 138 (WY) 1990 1993 1993 1993 1990 1993 1993 1993 1991 1994 1995 1992 MIN 47.8 63.0 86.9 120 151 144 97.6 73.4 52.6 45.9 44.8 48.1 (WY) 1994 1992 1992 1992 1991 1995 1995 1994 1990 1990 1993 1997 SUMMARY STATISTICS FOR 1997 WATER YEAR WATER YEARS 1989 - 1997 ANNUAL TOTAL 45628 ANNUAL MEAN 125 145 HIGHEST ANNUAL MEAN 221 1993 LOWEST ANNUAL MEAN 107 1992 HIGHEST DAILY MEAN 860 Mar 1 3770 Aug 28 1995 LOWEST DAILY MEAN 29 Sep 7 25 Aug 6 1992 ANNUAL SEVEN-DAY MINIMUM 30 Sep 3 26 Aug 5 1992 MAXIMUM PEAK FLOW 1520 Feb 28 5100 Aug 28 1995 MAXIMUM PEAK STAGE 11.40 Feb 28 16.63 Aug 28 1995 ANNUAL RUNOFF (CFSM) 1.13 1.31 ANNUAL RUNOFF (INCHES) 15.29 17.75 10 PERCENT EXCEEDS 221 253 50 PERCENT EXCEEDS 91 92 90 PERCENT EXCEEDS 45 47 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02187910 ROCKY RIVER NR STARR, SC SOURCE AGENCY USGS STATE 45 COUNTY 007 LATITUDE 342259 LONGITUDE 0823439 NAD27 DRAINAGE AREA 111* CONTRIBUTING DRAINAGE AREA DATUM 570 NGVD29 Date Processed: 2005-04-11 12:00 By mishealy APPROVED DD #2, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 e52 201 130 106 203 238 151 677 111 81 62 40 2 47 126 162 99 210 209 119 227 171 74 57 39 3 45 106 93 101 748 143 290 227 110 71 53 117 4 43 84 214 105 2510 155 679 386 144 71 50 119 5 42 77 135 110 1680 173 420 181 239 139 48 58 6 42 74 109 192 453 171 185 134 402 122 47 47 7 41 83 104 212 316 309 220 341 121 91 46 45 8 41 77 102 1830 247 944 152 800 109 82 51 45 9 40 75 113 2000 264 2270 1260 365 110 80 62 44 10 40 73 141 436 163 1140 1410 283 210 76 65 43 11 39 72 176 233 264 348 394 272 186 71 63 42 12 39 117 96 191 169 294 188 166 113 68 61 42 13 40 149 88 210 240 194 228 161 104 67 62 42 14 39 158 90 175 164 190 258 175 100 64 72 41 15 42 141 136 401 139 187 191 148 98 63 70 41 16 42 113 83 422 373 244 247 182 131 62 262 41 17 42 99 82 352 475 155 3100 158 97 61 125 40 18 41 124 84 308 472 179 3810 137 87 71 61 40 19 50 83 85 339 212 237 873 162 e138 62 53 40 20 57 79 86 244 254 198 830 126 e118 60 49 40 21 51 158 87 178 174 225 442 126 e87 57 46 44 22 49 751 159 391 262 127 697 149 88 55 44 70 23 49 817 198 431 358 145 1050 140 e92 59 44 65 24 80 207 621 252 150 166 411 120 e85 60 45 56 25 63 156 1620 229 133 195 418 121 e86 75 45 49 26 358 133 568 224 147 121 351 110 e87 67 44 46 27 800 119 235 543 351 118 225 101 e89 64 42 44 28 246 111 271 643 244 127 151 111 e82 65 41 45 29 96 106 281 285 --- 153 163 105 e78 63 40 47 30 76 125 133 203 --- 127 515 109 76 59 40 88 31 69 --- 214 230 --- 238 --- 114 --- 57 40 --- TOTAL 2801 4794 6696 11675 11375 9720 19428 6614 3749 2217 1890 1560 MEAN 90.4 160 216 377 406 314 648 213 125 71.5 61.0 52.0 MAX 800 817 1620 2000 2510 2270 3810 800 402 139 262 119 MIN 39 72 82 99 133 118 119 101 76 55 40 39 CFSM 0.81 1.44 1.95 3.39 3.66 2.82 5.83 1.92 1.13 0.64 0.55 0.47 IN. 0.94 1.61 2.24 3.91 3.81 3.26 6.51 2.22 1.26 0.74 0.63 0.52 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1989 - 1998, BY WATER YEAR (WY) MEAN 112 133 158 252 263 251 216 126 99.2 67.9 120 72.5 MAX 177 259 363 473 406 474 648 213 134 87.7 348 138 (WY) 1990 1993 1993 1993 1998 1993 1998 1998 1991 1994 1995 1992 MIN 47.8 63.0 86.9 120 151 144 97.6 73.4 52.6 45.9 44.8 48.1 (WY) 1994 1992 1992 1992 1991 1995 1995 1994 1990 1990 1993 1997 SUMMARY STATISTICS FOR 1997 CALENDAR YEAR FOR 1998 WATER YEAR WATER YEARS 1989 - 1998 ANNUAL TOTAL 82519 ANNUAL MEAN 226 155 HIGHEST ANNUAL MEAN 226 1998 LOWEST ANNUAL MEAN 107 1992 HIGHEST DAILY MEAN 3810 Apr 18 3810 Apr 18 1998 LOWEST DAILY MEAN 39 Oct 11 25 Aug 6 1992 ANNUAL SEVEN-DAY MINIMUM 40 Oct 8 26 Aug 5 1992 MAXIMUM PEAK FLOW 6260 Apr 18 6260 Apr 18 1998 MAXIMUM PEAK STAGE 17.70 Apr 18 17.70 Apr 18 1998 ANNUAL RUNOFF (CFSM) 2.04 1.40 ANNUAL RUNOFF (INCHES) 27.66 18.99 10 PERCENT EXCEEDS 419 267 50 PERCENT EXCEEDS 121 94 90 PERCENT EXCEEDS 44 47 e Estimated 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02187910 ROCKY RIVER NR STARR, SC SOURCE AGENCY USGS STATE 45 COUNTY 007 LATITUDE 342259 LONGITUDE 0823439 NAD27 DRAINAGE AREA 111* CONTRIBUTING DRAINAGE AREA DATUM 570 NGVD29 Date Processed: 2005-04-11 12:00 By mishealy APPROVED DD #2, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 86 51 63 177 476 102 482 242 48 69 e30 23 2 68 53 63 354 834 96 375 128 47 58 e28 21 3 58 61 63 479 525 102 177 109 56 57 e27 20 4 57 64 62 387 309 107 149 100 55 49 e26 18 5 75 59 62 209 234 99 136 95 53 45 e24 17 6 69 57 63 172 192 94 157 221 50 46 e22 16 7 71 56 64 109 172 66 116 158 48 61 e21 15 8 79 56 64 134 160 67 101 133 45 61 e19 14 9 76 58 75 121 149 73 154 104 43 60 e18 28 10 66 61 73 83 144 76 136 94 42 47 e17 64 11 60 68 66 105 142 65 118 88 64 50 15 38 12 58 69 63 122 137 61 108 85 59 62 14 32 13 56 64 92 107 131 61 100 87 47 66 11 28 14 54 64 126 100 108 82 94 89 43 58 11 26 15 51 103 104 103 98 85 95 84 46 52 11 25 16 51 140 94 101 96 69 102 78 94 48 10 24 17 51 141 78 95 95 63 94 74 118 44 12 21 18 50 104 70 115 133 60 87 72 83 43 11 18 19 51 85 67 125 172 60 85 72 62 42 11 16 20 52 77 69 126 233 62 83 72 53 42 11 16 21 52 74 71 128 170 65 82 67 50 41 22 14 22 50 71 104 119 144 77 79 65 47 41 15 40 23 50 69 90 157 129 70 76 62 46 41 14 33 24 48 68 195 294 120 66 74 62 46 41 142 25 25 48 67 267 215 115 71 73 58 96 40 83 23 26 49 67 176 169 110 103 72 54 95 e39 53 21 27 49 66 94 148 105 137 76 54 140 e38 42 27 28 48 64 88 138 105 78 102 52 107 e37 37 81 29 48 63 94 120 --- 78 162 50 79 e35 32 57 30 49 64 93 118 --- 87 294 48 70 e34 28 50 31 49 --- 86 133 --- 124 --- 48 --- e32 24 --- TOTAL 1779 2164 2839 5063 5538 2506 4039 2805 1932 1479 841 851 MEAN 57.4 72.1 91.6 163 198 80.8 135 90.5 64.4 47.7 27.1 28.4 MAX 86 141 267 479 834 137 482 242 140 69 142 81 MIN 48 51 62 83 95 60 72 48 42 32 10 14 CFSM 0.52 0.65 0.83 1.47 1.78 0.73 1.21 0.82 0.58 0.43 0.24 0.26 IN. 0.60 0.73 0.95 1.70 1.86 0.84 1.35 0.94 0.65 0.50 0.28 0.29 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1989 - 1999, BY WATER YEAR (WY) MEAN 106 127 151 243 256 232 207 122 95.7 65.9 111 68.1 MAX 177 259 363 473 406 474 648 213 134 87.7 348 138 (WY) 1990 1993 1993 1993 1998 1993 1998 1998 1991 1994 1995 1992 MIN 47.8 63.0 86.9 120 151 80.8 97.6 73.4 52.6 45.9 27.1 28.4 (WY) 1994 1992 1992 1992 1991 1999 1995 1994 1990 1990 1999 1999 SUMMARY STATISTICS FOR 1998 CALENDAR YEAR FOR 1999 WATER YEAR WATER YEARS 1989 - 1999 ANNUAL TOTAL 31836 ANNUAL MEAN 87.2 148 HIGHEST ANNUAL MEAN 226 1998 LOWEST ANNUAL MEAN 87.2 1999 HIGHEST DAILY MEAN 834 Feb 2 3810 Apr 18 1998 LOWEST DAILY MEAN 10 Aug 16 10 Aug 16 1999 ANNUAL SEVEN-DAY MINIMUM 11 Aug 13 11 Aug 13 1999 MAXIMUM PEAK FLOW 949 Apr 1 6260 Apr 18 1998 MAXIMUM PEAK STAGE 9.52 Apr 1 17.70 Apr 18 1998 ANNUAL RUNOFF (CFSM) 0.786 1.33 ANNUAL RUNOFF (INCHES) 10.67 18.06 10 PERCENT EXCEEDS 148 256 50 PERCENT EXCEEDS 67 91 90 PERCENT EXCEEDS 25 45 e Estimated 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02187910 ROCKY RIVER NR STARR, SC SOURCE AGENCY USGS STATE 45 COUNTY 007 LATITUDE 342259 LONGITUDE 0823439 NAD27 DRAINAGE AREA 111* CONTRIBUTING DRAINAGE AREA DATUM 570 NGVD29 Date Processed: 2005-04-11 12:00 By mishealy APPROVED DD #2, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 45 59 72 70 143 94 102 79 32 32 44 34 2 35 80 69 70 114 91 253 77 31 28 54 135 3 31 82 68 70 112 89 428 75 29 25 65 106 4 59 69 67 74 134 94 273 76 28 22 79 66 5 102 63 66 80 114 110 165 75 31 20 92 50 6 67 62 121 75 88 99 206 74 33 18 63 43 7 49 61 151 69 90 91 109 70 31 17 49 49 8 42 61 78 68 91 89 97 67 28 16 42 39 9 39 60 72 71 90 90 97 65 26 15 36 36 10 84 59 82 306 90 88 97 62 25 14 42 34 11 879 59 125 322 89 115 95 60 24 13 36 32 12 1030 63 77 189 95 168 95 58 22 12 32 31 13 280 59 81 101 171 113 95 56 21 16 26 30 14 156 58 184 93 197 101 122 54 20 43 23 28 15 114 62 128 89 269 96 232 49 20 34 21 27 16 99 62 131 86 152 106 107 44 21 26 19 25 17 88 58 82 85 142 312 97 43 20 20 18 23 18 79 57 78 87 170 194 93 43 34 17 16 22 19 74 56 82 90 89 106 91 43 34 14 15 27 20 108 56 123 101 88 845 88 41 32 13 14 27 21 123 57 85 101 89 1210 86 40 30 12 20 36 22 83 58 118 91 90 363 82 40 28 11 18 56 23 73 58 98 216 91 281 80 39 26 14 18 330 24 68 58 89 456 92 140 81 39 23 17 17 125 25 65 62 84 217 94 127 132 40 20 119 21 92 26 62 246 80 310 93 126 95 43 46 85 20 125 27 61 239 78 101 97 124 86 44 16 54 18 86 28 60 111 75 90 112 183 86 40 15 48 18 65 29 58 86 74 91 100 93 87 38 43 56 17 53 30 55 77 72 160 --- 94 81 36 43 40 16 46 31 56 --- 71 252 --- 99 --- 35 --- 40 26 --- TOTAL 4224 2298 2861 4281 3386 5931 3838 1645 832 911 995 1878 MEAN 136 76.6 92.3 138 117 191 128 53.1 27.7 29.4 32.1 62.6 MAX 1030 246 184 456 269 1210 428 79 46 119 92 330 MIN 31 56 66 68 88 88 80 35 15 11 14 22 CFSM 1.23 0.69 0.83 1.24 1.05 1.72 1.15 0.48 0.25 0.26 0.29 0.56 IN. 1.42 0.77 0.96 1.43 1.13 1.99 1.29 0.55 0.28 0.31 0.33 0.63 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1989 - 2000, BY WATER YEAR (WY) MEAN 109 122 146 234 243 228 199 115 89.5 62.6 104 67.6 MAX 177 259 363 473 406 474 648 213 134 87.7 348 138 (WY) 1990 1993 1993 1993 1998 1993 1998 1998 1991 1994 1995 1992 MIN 47.8 63.0 86.9 120 117 80.8 97.6 53.1 27.7 29.4 27.1 28.4 (WY) 1994 1992 1992 1992 2000 1999 1995 2000 2000 2000 1999 1999 SUMMARY STATISTICS FOR 1999 CALENDAR YEAR FOR 2000 WATER YEAR WATER YEARS 1989 - 2000 ANNUAL TOTAL 33080 ANNUAL MEAN 90.4 142 HIGHEST ANNUAL MEAN 226 1998 LOWEST ANNUAL MEAN 87.2 1999 HIGHEST DAILY MEAN 1210 Mar 21 3810 Apr 18 1998 LOWEST DAILY MEAN 11 Jul 22 10 Aug 16 1999 ANNUAL SEVEN-DAY MINIMUM 14 Jul 18 11 Aug 13 1999 MAXIMUM PEAK FLOW 1930 Mar 21 6260 Apr 18 1998 MAXIMUM PEAK STAGE 12.29 Mar 21 17.70 Apr 18 1998 ANNUAL RUNOFF (CFSM) 0.814 1.28 ANNUAL RUNOFF (INCHES) 11.09 17.36 10 PERCENT EXCEEDS 151 247 50 PERCENT EXCEEDS 70 89 90 PERCENT EXCEEDS 20 43 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02187910 ROCKY RIVER NR STARR, SC SOURCE AGENCY USGS STATE 45 COUNTY 007 LATITUDE 342259 LONGITUDE 0823439 NAD27 DRAINAGE AREA 111* CONTRIBUTING DRAINAGE AREA DATUM 570 NGVD29 Date Processed: 2005-04-11 12:00 By mishealy APPROVED DD #2, ,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 42 27 55 121 79 69 107 58 140 50 86 27 2 39 28 53 51 76 66 95 57 144 40 70 32 3 36 28 53 42 74 67 103 55 86 47 64 34 4 34 29 53 42 69 158 123 52 68 67 69 133 5 33 30 51 43 61 138 146 49 59 61 77 115 6 33 31 50 45 59 105 94 49 55 59 75 64 7 32 31 49 46 59 89 95 58 53 46 65 49 8 31 32 48 85 61 85 96 56 50 42 59 41 9 29 47 47 133 58 76 95 54 51 46 53 38 10 28 100 47 77 62 74 94 53 49 51 49 37 11 28 67 47 76 61 69 90 49 46 41 45 41 12 27 53 46 120 57 79 86 47 43 40 42 43 13 27 48 45 333 59 230 84 45 47 52 40 36 14 27 51 48 268 59 151 90 43 84 e40 49 33 15 27 50 50 202 58 356 87 41 50 e39 44 31 16 26 47 96 146 58 504 91 38 44 e38 40 31 17 26 54 266 119 90 235 83 38 40 e38 38 28 18 25 52 128 106 83 163 74 36 37 e37 36 27 19 26 63 88 129 71 130 70 35 35 e36 35 26 20 27 90 82 279 65 218 70 36 34 e36 33 26 21 27 70 75 178 63 446 68 39 34 e36 31 26 22 28 59 73 141 86 253 68 50 34 e36 29 26 23 27 54 70 124 96 172 67 87 53 e36 28 26 24 29 52 66 112 79 140 66 59 37 e36 27 47 25 29 127 63 105 80 117 76 49 80 e140 32 55 26 27 165 61 92 93 83 78 48 216 380 27 44 27 26 120 60 84 81 76 70 46 56 160 29 38 28 27 71 62 80 74 68 65 59 42 283 27 33 29 27 63 62 77 --- 138 61 74 41 159 26 30 30 29 58 59 88 --- 318 60 64 40 294 26 28 31 28 --- 56 87 --- 156 --- 56 --- 131 26 --- TOTAL 907 1797 2109 3631 1971 5029 2552 1580 1848 2597 1377 1245 MEAN 29.3 59.9 68.0 117 70.4 162 85.1 51.0 61.6 83.8 44.4 41.5 MAX 42 165 266 333 96 504 146 87 216 380 86 133 MIN 25 27 45 42 57 66 60 35 34 36 26 26 CFSM 0.26 0.54 0.61 1.06 0.63 1.46 0.77 0.46 0.55 0.75 0.40 0.37 IN. 0.30 0.60 0.71 1.22 0.66 1.69 0.86 0.53 0.62 0.87 0.46 0.42 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1989 - 2001, BY WATER YEAR (WY) MEAN 102 117 139 224 229 222 189 109 87.2 64.4 98.7 65.4 MAX 177 259 363 473 406 474 648 213 134 87.7 348 138 (WY) 1990 1993 1993 1993 1998 1993 1998 1998 1991 1994 1995 1992 MIN 29.3 59.9 68.0 117 70.4 80.8 85.1 51.0 27.7 29.4 27.1 28.4 (WY) 2001 2001 2001 2001 2001 1999 2001 2001 2000 2000 1999 1999 SUMMARY STATISTICS FOR 2000 CALENDAR YEAR FOR 2001 WATER YEAR WATER YEARS 1989 - 2001 ANNUAL TOTAL 26643 ANNUAL MEAN 73.0 136 HIGHEST ANNUAL MEAN 226 1998 LOWEST ANNUAL MEAN 73.0 2001 HIGHEST DAILY MEAN 504 Mar 16 3810 Apr 18 1998 LOWEST DAILY MEAN 25 Oct 18 10 Aug 16 1999 ANNUAL SEVEN-DAY MINIMUM 26 Oct 13 11 Aug 13 1999 MAXIMUM PEAK FLOW 634 Mar 16 6260 Apr 18 1998 MAXIMUM PEAK STAGE 7.94 Mar 16 17.70 Apr 18 1998 ANNUAL RUNOFF (CFSM) 0.658 1.22 ANNUAL RUNOFF (INCHES) 8.93 16.60 10 PERCENT EXCEEDS 133 239 50 PERCENT EXCEEDS 55 85 90 PERCENT EXCEEDS 28 40 e Estimated 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02187910 ROCKY RIVER NR STARR, SC SOURCE AGENCY USGS STATE 45 COUNTY 007 LATITUDE 342259 LONGITUDE 0823439 NAD27 DRAINAGE AREA 111* CONTRIBUTING DRAINAGE AREA DATUM 570 NGVD29 Date Processed: 2005-04-11 12:00 By mishealy APPROVED DD #2, ,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 --- --- --- --- --- 815 166 127 86 108 453 79 2 --- --- --- --- --- 323 153 161 86 1140 247 80 3 --- --- --- --- --- 250 148 131 115 739 229 73 4 --- --- --- --- --- 213 143 121 263 209 145 71 5 --- --- --- --- --- 207 150 130 137 127 119 94 6 --- --- --- --- --- 1290 158 289 99 118 107 80 7 --- --- --- --- --- 1340 332 208 220 110 111 71 8 --- --- --- --- --- 448 447 203 165 105 151 67 9 --- --- --- --- --- 279 360 183 142 97 140 65 10 --- --- --- --- --- 235 481 146 121 92 132 63 11 --- --- --- --- --- 205 706 125 110 91 105 60 12 --- --- --- --- 157 189 427 125 132 90 96 58 13 --- --- --- --- 143 178 274 113 136 84 97 56 14 --- --- --- --- 137 173 222 109 133 145 91 54 15 --- --- --- --- e137 191 197 108 111 133 88 54 16 --- --- --- --- e350 248 159 111 106 103 85 53 17 --- --- --- --- e360 221 111 122 102 87 199 51 18 --- --- --- --- e220 263 122 180 102 93 386 49 19 --- --- --- --- e170 316 122 206 111 95 192 47 20 --- --- --- --- 157 1380 107 113 123 100 148 48 21 --- --- --- --- 147 2320 108 115 100 79 122 46 22 --- --- --- --- 294 1090 121 334 90 80 93 47 23 --- --- --- --- 525 351 103 773 84 99 87 102 24 --- --- --- --- 307 268 92 499 81 135 83 93 25 --- --- --- --- 220 230 99 226 78 98 81 71 26 --- --- --- --- 188 207 128 162 75 86 78 63 27 --- --- --- --- 441 190 117 157 72 82 75 59 28 --- --- --- --- 900 178 116 142 76 79 73 61 29 --- --- --- --- --- 170 120 134 78 72 72 59 30 --- --- --- --- --- 188 123 223 75 126 74 54 31 --- --- --- --- --- 196 --- 88 --- 224 69 --- TOTAL --- --- --- --- --- 14152 6112 5864 3409 5026 4228 1928 MEAN --- --- --- --- --- 457 204 189 114 162 136 64.3 MAX --- --- --- --- 2320 706 773 263 1140 453 102 MIN --- --- --- --- 170 92 88 72 72 69 46 CFSM --- --- --- --- --- 4.11 1.84 1.70 1.02 1.46 1.23 0.58 IN. --- --- --- --- --- 4.74 2.05 1.97 1.14 1.68 1.42 0.65 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1989 - 2003, BY WATER YEAR (WY) MEAN 102 117 139 224 229 241 190 116 89.2 71.9 102 65.3 MAX 177 259 363 473 406 474 648 213 134 162 348 138 (WY) 1990 1993 1993 1993 1998 1993 1998 1998 1991 2003 1995 1992 MIN 29.3 59.9 68.0 117 70.4 80.8 85.1 51.0 27.7 29.4 27.1 28.4 (WY) 2001 2001 2001 2001 2001 1999 2001 2001 2000 2000 1999 1999 SUMMARY STATISTICS WATER YEARS 1989 - 2003 ANNUAL MEAN 136 HIGHEST ANNUAL MEAN 226 1998 LOWEST ANNUAL MEAN 73.0 2001 HIGHEST DAILY MEAN 3810 Apr 18 1998 LOWEST DAILY MEAN 10 Aug 16 1999 ANNUAL SEVEN-DAY MINIMUM 11 Aug 13 1999 MAXIMUM PEAK FLOW 6260 Apr 18 1998 MAXIMUM PEAK STAGE 17.70 Apr 18 1998 ANNUAL RUNOFF (CFSM) 1.22 ANNUAL RUNOFF (INCHES) 16.60 10 PERCENT EXCEEDS 239 50 PERCENT EXCEEDS 85 90 PERCENT EXCEEDS 40 e Estimated 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02187910 ROCKY RIVER NR STARR, SC SOURCE AGENCY USGS STATE 45 COUNTY 007 LATITUDE 342259 LONGITUDE 0823439 NAD27 DRAINAGE AREA 111* CONTRIBUTING DRAINAGE AREA DATUM 570 NGVD29 Date Processed: 2005-04-11 12:00 By mishealy APPROVED DD #2, ,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 53 76 87 84 98 112 --- --- --- --- --- --- 2 52 74 85 83 95 108 --- --- --- --- --- --- 3 50 73 84 83 182 108 --- --- --- --- --- --- 4 50 73 118 84 170 108 --- --- --- --- --- --- 5 49 72 141 87 133 107 --- --- --- --- --- --- 6 49 92 90 124 188 109 --- --- --- --- --- --- 7 51 92 86 103 454 109 --- --- --- --- --- --- 8 91 86 84 92 193 101 --- --- --- --- --- --- 9 104 81 84 94 141 96 --- --- --- --- --- --- 10 104 75 128 94 135 97 --- --- --- --- --- --- 11 100 72 294 90 129 94 --- --- --- --- --- --- 12 90 72 156 86 165 93 --- --- --- --- --- --- 13 71 72 123 85 216 91 --- --- --- --- --- --- 14 66 70 166 83 146 89 --- --- --- --- --- --- 15 61 67 163 82 294 --- --- --- --- --- --- --- 16 57 69 130 80 315 --- --- --- --- --- --- --- 17 57 74 120 79 166 --- --- --- --- --- --- --- 18 56 79 113 89 153 --- --- --- --- --- --- --- 19 55 257 107 93 144 --- --- --- --- --- --- --- 20 54 256 100 87 136 --- --- --- --- --- --- --- 21 53 150 96 82 130 --- --- --- --- --- --- --- 22 53 117 95 81 123 --- --- --- --- --- --- --- 23 52 103 94 80 119 --- --- --- --- --- --- --- 24 51 102 96 78 116 --- --- --- --- --- --- --- 25 50 108 95 91 115 --- --- --- --- --- --- --- 26 51 97 91 170 116 --- --- --- --- --- --- --- 27 187 90 89 112 128 --- --- --- --- --- --- --- 28 144 141 88 122 127 --- --- --- --- --- --- --- 29 117 113 87 114 117 --- --- --- --- --- --- --- 30 85 92 86 108 --- --- --- --- --- --- --- --- 31 80 --- 86 103 --- --- --- --- --- --- --- --- TOTAL 2243 2995 3462 2923 4744 --- --- --- --- --- --- --- MEAN 72.4 99.8 112 94.3 164 --- --- --- --- --- --- --- MAX 187 257 294 170 454 --- --- --- --- --- --- MIN 49 67 84 78 95 --- --- --- --- --- --- CFSM 0.65 0.90 1.01 0.85 1.47 --- --- --- --- --- --- --- IN. 0.75 1.00 1.16 0.98 1.59 --- --- --- --- --- --- --- STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1989 - 2004, BY WATER YEAR (WY) MEAN 100 116 137 214 224 241 190 116 89.2 71.9 102 65.3 MAX 177 259 363 473 406 474 648 213 134 162 348 138 (WY) 1990 1993 1993 1993 1998 1993 1998 1998 1991 2003 1995 1992 MIN 29.3 59.9 68.0 94.3 70.4 80.8 85.1 51.0 27.7 29.4 27.1 28.4 (WY) 2001 2001 2001 2004 2001 1999 2001 2001 2000 2000 1999 1999 SUMMARY STATISTICS WATER YEARS 1989 - 2004 ANNUAL MEAN 136 HIGHEST ANNUAL MEAN 226 1998 LOWEST ANNUAL MEAN 73.0 2001 HIGHEST DAILY MEAN 3810 Apr 18 1998 LOWEST DAILY MEAN 10 Aug 16 1999 ANNUAL SEVEN-DAY MINIMUM 11 Aug 13 1999 MAXIMUM PEAK FLOW 6260 Apr 18 1998 MAXIMUM PEAK STAGE 17.70 Apr 18 1998 ANNUAL RUNOFF (CFSM) 1.22 ANNUAL RUNOFF (INCHES) 16.60 10 PERCENT EXCEEDS 239 50 PERCENT EXCEEDS 85 90 PERCENT EXCEEDS 40