1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197400 LOWER THREE RUNS NEAR SNELLING, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331035 LONGITUDE 0812850 NAD27 DRAINAGE AREA 59.3* CONTRIBUTING DRAINAGE AREA DATUM 117 NGVD29 Date Processed: 2004-08-20 15:20 By mishealy APPROVED DD #14, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1973 TO SEPTEMBER 1974 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 --- --- --- --- --- --- 110 75 80 40 93 82 2 --- --- --- --- --- --- 111 74 78 41 103 97 3 --- --- --- --- --- --- 108 73 74 53 154 97 4 --- --- --- --- --- --- 202 113 68 61 130 94 5 --- --- --- --- --- --- 176 99 66 61 143 90 6 --- --- --- --- --- --- 134 87 65 59 193 116 7 --- --- --- --- --- 147 127 81 64 71 210 122 8 --- --- --- --- --- 138 193 78 62 109 167 109 9 --- --- --- --- --- 132 156 75 60 140 150 105 10 --- --- --- --- --- 114 136 72 66 111 134 99 11 --- --- --- --- --- 111 130 100 60 96 124 96 12 --- --- --- --- --- 138 129 103 60 90 115 92 13 --- --- --- --- --- 114 144 84 59 87 108 90 14 --- --- --- --- --- 106 163 78 58 84 103 81 15 --- --- --- --- --- 116 142 75 74 80 173 80 16 --- --- --- --- --- 132 127 75 59 79 123 78 17 --- --- --- --- --- 111 120 72 50 97 113 76 18 --- --- --- --- --- 105 113 79 46 92 110 79 19 --- --- --- --- --- 129 110 245 44 87 98 68 20 --- --- --- --- --- 134 105 125 44 87 94 63 21 --- --- --- --- --- 156 102 108 63 89 90 60 22 --- --- --- --- --- 127 118 102 50 86 86 58 23 --- --- --- --- --- 120 118 99 56 76 84 54 24 --- --- --- --- --- 127 103 90 62 74 82 47 25 --- --- --- --- --- 163 87 86 50 77 81 45 26 --- --- --- --- --- 130 85 142 47 77 82 46 27 --- --- --- --- --- 123 82 118 51 85 83 47 28 --- --- --- --- --- 125 80 102 50 100 80 45 29 --- --- --- --- --- 152 79 93 46 97 83 44 30 --- --- --- --- --- 127 76 96 42 94 82 41 31 --- --- --- --- --- 114 --- 85 --- 93 79 --- TOTAL --- --- --- --- --- --- 3666 2984 1754 2573 3550 2301 MEAN --- --- --- --- --- --- 122 96.3 58.5 83.0 115 76.7 MAX --- --- --- --- --- --- 202 245 80 140 210 122 MIN --- --- --- --- --- --- 76 72 42 40 79 41 CFSM --- --- --- --- --- --- 2.06 1.62 0.99 1.40 1.93 1.29 IN. --- --- --- --- --- --- 2.30 1.87 1.10 1.61 2.23 1.44 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197400 LOWER THREE RUNS NEAR SNELLING, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331035 LONGITUDE 0812850 NAD27 DRAINAGE AREA 59.3* CONTRIBUTING DRAINAGE AREA DATUM 117 NGVD29 Date Processed: 2004-08-20 15:20 By mishealy APPROVED DD #14, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1974 TO SEPTEMBER 1975 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 38 39 100 49 89 152 174 131 92 82 138 138 2 37 40 55 49 87 148 190 193 88 79 127 106 3 38 41 46 47 106 144 333 161 82 75 118 108 4 37 42 42 51 181 148 239 250 74 73 108 98 5 37 44 42 53 146 138 207 181 68 70 107 91 6 37 51 41 55 113 133 194 162 63 67 103 90 7 39 42 44 55 106 137 188 154 59 79 153 85 8 36 40 66 68 104 208 181 154 51 77 157 80 9 33 40 48 100 99 164 177 179 59 72 120 80 10 33 40 43 72 92 153 183 187 89 80 140 80 11 34 40 41 86 87 165 188 211 74 147 193 85 12 34 41 42 94 123 164 178 170 144 107 156 80 13 34 41 41 254 127 161 166 149 123 97 122 85 14 34 39 41 173 102 174 217 138 90 122 121 85 15 40 41 64 116 95 178 323 136 81 300 106 80 16 39 38 141 104 94 183 215 152 84 261 99 75 17 41 39 59 97 156 217 194 162 77 297 94 75 18 38 52 50 93 177 207 189 240 76 340 90 80 19 38 47 49 91 275 300 185 168 94 286 102 85 20 35 62 82 94 272 214 172 146 87 204 167 90 21 32 65 120 91 195 196 151 133 150 181 114 90 22 31 46 59 86 183 189 151 123 200 165 103 95 23 34 41 50 101 199 186 143 113 150 158 97 100 24 36 41 48 157 198 215 135 105 87 151 93 100 25 35 41 53 167 199 290 129 93 170 226 89 100 26 35 40 52 146 178 215 125 84 130 186 95 95 27 35 39 46 115 179 198 119 99 125 222 101 95 28 36 38 49 104 167 190 152 95 120 153 93 95 29 35 38 62 100 --- 186 135 85 110 134 99 95 30 35 45 69 97 --- 185 140 89 95 129 92 95 31 37 --- 54 94 --- 184 --- 90 --- 160 105 --- TOTAL 1113 1293 1799 3059 4129 5722 5473 4533 2992 4780 3602 2736 MEAN 35.9 43.1 58.0 98.7 147 185 182 146 99.7 154 116 91.2 MAX 41 65 141 254 275 300 333 250 200 340 193 138 MIN 31 38 41 47 87 133 119 84 51 67 89 75 CFSM 0.61 0.73 0.98 1.66 2.49 3.11 3.08 2.47 1.68 2.60 1.96 1.54 IN. 0.70 0.81 1.13 1.92 2.59 3.59 3.43 2.84 1.88 3.00 2.26 1.72 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197400 LOWER THREE RUNS NEAR SNELLING, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331035 LONGITUDE 0812850 NAD27 DRAINAGE AREA 59.3* CONTRIBUTING DRAINAGE AREA DATUM 117 NGVD29 Date Processed: 2004-08-20 15:20 By mishealy APPROVED DD #14, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1975 TO SEPTEMBER 1976 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 95 77 100 164 139 67 66 178 97 70 29 34 2 93 76 100 124 189 66 61 80 92 113 33 33 3 89 76 89 113 137 64 57 63 141 53 38 45 4 83 76 88 115 123 60 56 56 128 70 32 44 5 79 76 88 104 114 59 54 52 96 101 33 38 6 78 76 86 96 111 58 52 50 80 113 32 39 7 80 102 88 111 108 55 52 63 71 76 32 38 8 91 116 97 271 100 53 49 68 65 59 63 37 9 100 96 135 160 97 67 49 65 60 52 93 36 10 90 95 151 124 93 61 45 50 62 52 46 38 11 87 102 106 110 90 55 45 47 58 57 40 34 12 86 121 99 106 89 53 43 48 53 50 39 32 13 88 138 97 99 85 140 42 44 47 47 36 33 14 94 127 94 100 84 84 40 42 42 45 34 102 15 83 113 93 96 83 88 40 85 41 42 33 182 16 80 102 98 95 85 221 42 76 68 40 33 85 17 91 99 141 99 84 158 40 90 247 38 45 65 18 113 99 167 100 86 91 37 76 98 44 39 55 19 93 97 124 94 106 83 36 70 123 43 35 47 20 87 96 114 93 87 80 35 63 126 40 36 45 21 83 96 110 96 81 81 35 56 81 39 47 49 22 81 93 106 93 95 79 39 50 63 37 43 50 23 80 91 99 89 91 75 37 62 57 39 39 45 24 79 91 97 89 83 72 36 135 82 47 37 45 25 80 90 95 89 78 71 35 122 58 37 37 44 26 80 86 149 97 77 70 37 79 64 38 40 62 27 80 86 127 258 77 69 35 83 109 36 36 60 28 80 85 107 253 74 68 36 120 194 32 35 60 29 81 84 104 161 71 66 33 237 62 31 34 100 30 81 84 117 146 --- 65 70 133 65 30 34 118 31 80 --- 165 136 --- 66 --- 109 --- 30 34 --- TOTAL 2665 2846 3431 3881 2817 2445 1334 2552 2630 1601 1217 1695 MEAN 86.0 94.9 111 125 97.1 78.9 44.5 82.3 87.7 51.6 39.3 56.5 MAX 113 138 167 271 189 221 70 237 247 113 93 182 MIN 78 76 86 89 71 53 33 42 41 30 29 32 CFSM 1.45 1.60 1.87 2.11 1.64 1.33 0.75 1.39 1.48 0.87 0.66 0.95 IN. 1.67 1.79 2.15 2.43 1.77 1.53 0.84 1.60 1.65 1.00 0.76 1.06 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197400 LOWER THREE RUNS NEAR SNELLING, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331035 LONGITUDE 0812850 NAD27 DRAINAGE AREA 59.3* CONTRIBUTING DRAINAGE AREA DATUM 117 NGVD29 Date Processed: 2004-08-20 15:20 By mishealy APPROVED DD #14, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1976 TO SEPTEMBER 1977 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 73 102 104 112 93 118 143 67 94 46 56 93 2 61 96 97 107 89 108 138 64 78 47 66 93 3 57 93 89 138 86 103 139 67 71 45 185 95 4 55 92 83 187 87 132 136 69 65 44 178 140 5 54 85 82 135 86 184 172 70 61 44 174 131 6 58 84 86 126 83 157 165 73 57 47 170 111 7 59 82 154 152 80 275 135 68 66 43 150 101 8 73 81 136 139 80 187 118 80 57 41 110 107 9 168 79 106 125 80 154 110 69 52 38 90 100 10 94 77 87 155 81 145 105 64 48 36 80 94 11 72 76 113 147 81 154 103 60 46 35 75 90 12 67 74 266 126 81 163 99 58 54 34 65 86 13 64 74 194 123 83 214 97 56 51 35 65 78 14 62 73 139 134 85 206 94 54 86 36 75 75 15 59 98 141 150 88 174 108 52 114 34 75 75 16 58 111 138 129 86 163 110 49 75 33 80 81 17 99 101 123 123 83 157 106 48 70 33 80 84 18 103 107 116 117 82 149 103 47 69 33 100 78 19 74 90 110 114 80 145 96 46 63 33 105 74 20 207 83 108 113 76 162 90 69 58 33 100 72 21 219 84 109 112 74 192 87 57 57 32 95 70 22 131 82 104 108 72 395 83 73 53 35 85 67 23 120 75 103 103 72 233 88 71 51 46 70 65 24 114 71 102 106 137 201 95 79 49 36 70 63 25 114 70 101 127 132 189 86 88 47 34 75 63 26 155 82 198 108 101 178 82 83 53 36 80 109 27 133 168 146 107 117 170 75 115 67 39 80 138 28 117 152 123 119 162 164 72 88 54 37 80 143 29 108 185 126 106 --- 156 68 78 48 38 85 117 30 95 124 119 98 --- 153 66 73 48 48 95 105 31 105 --- 115 97 --- 193 --- 178 --- 43 95 --- TOTAL 3028 2851 3818 3843 2537 5474 3169 2213 1862 1194 2989 2798 MEAN 97.7 95.0 123 124 90.6 177 106 71.4 62.1 38.5 96.4 93.3 MAX 219 185 266 187 162 395 172 178 114 48 185 143 MIN 54 70 82 97 72 103 66 46 46 32 56 63 CFSM 1.65 1.60 2.08 2.09 1.53 2.98 1.78 1.20 1.05 0.65 1.63 1.57 IN. 1.90 1.79 2.40 2.41 1.59 3.43 1.99 1.39 1.17 0.75 1.88 1.76 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197400 LOWER THREE RUNS NEAR SNELLING, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331035 LONGITUDE 0812850 NAD27 DRAINAGE AREA 59.3* CONTRIBUTING DRAINAGE AREA DATUM 117 NGVD29 Date Processed: 2004-08-20 15:20 By mishealy APPROVED DD #14, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1977 TO SEPTEMBER 1978 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 102 100 159 128 202 126 106 128 102 50 65 45 2 119 94 115 114 220 117 106 160 94 47 63 55 3 174 94 99 106 211 133 103 127 97 44 65 124 4 112 105 95 100 193 133 99 183 123 40 70 79 5 95 125 137 98 183 118 94 188 96 38 72 59 6 91 140 199 98 179 114 90 153 115 37 74 53 7 84 153 145 100 172 112 85 140 113 33 76 49 8 80 162 120 107 167 114 76 138 141 31 68 50 9 93 161 115 206 170 136 72 316 187 33 64 44 10 103 154 112 139 174 237 70 290 138 35 69 41 11 86 142 104 113 161 165 68 195 117 31 121 42 12 104 127 100 107 156 149 71 180 103 29 98 41 13 126 117 97 210 157 145 146 171 92 28 99 39 14 98 107 138 236 166 141 141 158 84 28 139 37 15 85 99 194 159 153 145 97 144 75 56 120 37 16 79 95 128 141 147 136 86 139 68 122 99 37 17 81 93 121 147 149 130 79 136 63 119 103 35 18 80 90 117 164 158 122 81 166 59 72 100 34 19 77 83 110 219 163 116 112 179 56 68 101 33 20 89 80 118 312 150 115 99 145 52 73 81 34 21 102 77 181 210 141 118 84 131 49 77 78 34 22 110 75 128 186 138 115 76 124 46 75 73 35 23 108 78 109 176 131 110 72 138 76 73 67 37 24 102 80 104 170 128 105 69 148 56 69 64 37 25 111 83 117 350 122 114 88 124 67 66 61 39 26 257 101 115 460 119 136 142 115 56 99 60 41 27 175 80 100 291 116 110 119 106 52 89 61 38 28 222 72 95 257 116 97 102 100 55 85 58 36 29 149 70 92 239 --- 102 95 119 55 78 55 36 30 121 116 122 223 --- 105 93 116 53 68 50 38 31 110 --- 185 214 --- 102 --- 113 --- 65 46 --- TOTAL 3525 3153 3871 5780 4442 3918 2821 4770 2540 1858 2420 1339 MEAN 114 105 125 186 159 126 94.0 154 84.7 59.9 78.1 44.6 MAX 257 162 199 460 220 237 146 316 187 122 139 124 MIN 77 70 92 98 116 97 68 100 46 28 46 33 CFSM 1.92 1.77 2.11 3.14 2.68 2.13 1.59 2.59 1.43 1.01 1.32 0.75 IN. 2.21 1.98 2.43 3.63 2.79 2.46 1.77 2.99 1.59 1.17 1.52 0.84 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197400 LOWER THREE RUNS NEAR SNELLING, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331035 LONGITUDE 0812850 NAD27 DRAINAGE AREA 59.3* CONTRIBUTING DRAINAGE AREA DATUM 117 NGVD29 Date Processed: 2004-08-20 15:20 By mishealy APPROVED DD #14, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1978 TO SEPTEMBER 1979 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 38 68 124 71 81 210 90 118 186 63 128 79 2 37 66 92 140 71 202 90 109 139 57 111 82 3 37 73 82 152 69 195 100 101 122 54 98 79 4 37 74 81 103 81 190 120 96 117 53 89 161 5 40 71 84 97 72 253 95 136 108 55 82 550 6 45 70 83 93 90 222 88 111 102 58 82 218 7 39 63 79 99 232 198 81 102 108 60 80 167 8 38 72 77 100 140 171 77 106 103 80 78 151 9 37 69 78 85 108 155 151 116 92 85 74 138 10 37 68 84 72 100 137 112 133 86 82 71 125 11 37 68 78 71 94 171 88 137 82 85 78 114 12 37 67 79 81 89 156 85 148 77 96 225 106 13 37 65 76 122 86 127 97 111 72 118 125 103 14 40 56 74 105 82 120 149 347 67 109 103 96 15 38 55 72 89 80 130 101 214 63 114 94 87 16 37 59 72 80 78 112 89 153 116 120 89 80 17 38 60 74 79 76 104 81 132 120 132 91 81 18 38 59 72 78 84 102 77 119 80 136 94 80 19 38 59 71 75 99 103 73 111 74 143 91 78 20 38 59 72 74 110 103 70 121 70 149 90 73 21 38 58 74 138 174 100 67 120 72 179 87 73 22 39 57 72 107 242 99 66 143 68 163 91 75 23 39 57 68 87 270 107 66 189 67 154 117 68 24 39 57 139 147 340 154 66 170 65 141 105 66 25 41 56 187 119 376 120 113 162 71 177 101 63 26 42 54 101 97 267 100 373 137 69 171 86 66 27 44 58 89 89 237 100 205 121 64 160 87 63 28 48 62 82 87 219 95 165 113 59 139 121 83 29 55 82 78 82 --- 95 141 113 56 134 90 97 30 62 216 74 77 --- 95 127 124 56 132 83 152 31 67 --- 72 80 --- 95 --- 117 --- 130 81 --- TOTAL 1277 2058 2640 2976 4047 4321 3303 4230 2631 3529 3022 3454 MEAN 41.2 68.6 85.2 96.0 145 139 110 136 87.7 114 97.5 115 MAX 67 216 187 152 376 253 373 347 186 179 225 550 MIN 37 54 68 71 69 95 66 96 56 53 71 63 CFSM 0.69 1.16 1.44 1.62 2.44 2.35 1.86 2.30 1.48 1.92 1.64 1.94 IN. 0.80 1.29 1.66 1.87 2.54 2.71 2.07 2.65 1.65 2.21 1.90 2.17 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197400 LOWER THREE RUNS NEAR SNELLING, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331035 LONGITUDE 0812850 NAD27 DRAINAGE AREA 59.3* CONTRIBUTING DRAINAGE AREA DATUM 117 NGVD29 Date Processed: 2004-08-20 15:20 By mishealy APPROVED DD #14, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1979 TO SEPTEMBER 1980 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 108 44 88 128 154 116 287 118 59 46 36 79 2 88 53 88 127 134 118 258 114 55 40 34 78 3 79 123 86 114 128 119 247 111 51 34 32 73 4 72 82 85 107 125 118 256 110 50 32 32 67 5 92 71 86 114 123 121 224 108 49 34 30 64 6 80 68 110 108 140 150 207 110 47 36 30 60 7 68 69 121 105 148 130 200 107 48 40 28 57 8 63 70 88 107 130 239 215 102 47 42 28 53 9 59 72 75 116 144 309 275 110 44 38 31 49 10 57 74 69 111 256 200 232 107 40 34 62 47 11 56 229 65 167 195 183 220 102 38 30 38 46 12 51 306 68 142 172 245 217 100 37 30 32 43 13 50 167 72 125 158 625 247 98 37 28 32 39 14 48 132 69 165 142 329 239 93 34 26 32 37 15 44 114 69 158 142 270 222 93 33 26 32 34 16 44 108 107 134 183 250 203 90 31 24 34 32 17 43 105 89 130 181 245 193 90 30 24 44 30 18 42 102 81 156 132 293 183 107 89 26 48 29 19 41 100 80 161 123 250 183 156 78 30 50 29 20 42 96 80 142 118 245 186 261 54 28 195 33 21 41 89 81 136 118 287 176 146 50 26 116 35 22 41 88 82 138 123 258 167 123 47 26 142 32 23 44 89 84 188 148 232 161 132 47 34 93 33 24 51 90 88 167 134 232 154 158 60 50 86 30 25 44 92 113 138 128 250 142 123 73 44 82 179 26 43 130 102 150 128 227 136 105 80 50 80 89 27 41 111 96 207 125 227 134 92 75 60 79 64 28 40 98 95 154 121 329 130 82 85 55 78 80 29 42 95 93 130 118 389 127 74 70 50 78 198 30 44 90 130 128 --- 355 123 68 55 44 78 169 31 44 --- 150 152 --- 322 --- 63 --- 38 77 --- TOTAL 1702 3157 2790 4305 4171 7663 5944 3453 1593 1125 1869 1888 MEAN 54.9 105 90.0 139 144 247 198 111 53.1 36.3 60.3 62.9 MAX 108 306 150 207 256 625 287 261 89 60 195 198 MIN 40 44 65 105 118 116 123 63 30 24 28 29 CFSM 0.93 1.77 1.52 2.34 2.43 4.17 3.34 1.88 0.90 0.61 1.02 1.06 IN. 1.07 1.98 1.75 2.70 2.62 4.81 3.73 2.17 1.00 0.71 1.17 1.18 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1980 - 1980, BY WATER YEAR (WY) MEAN 54.9 105 90.0 139 144 247 198 111 53.1 36.3 60.3 62.9 MAX 54.9 105 90.0 139 144 247 198 111 53.1 36.3 60.3 62.9 (WY) 1980 1980 1980 1980 1980 1980 1980 1980 1980 1980 1980 1980 MIN 54.9 105 90.0 139 144 247 198 111 53.1 36.3 60.3 62.9 (WY) 1980 1980 1980 1980 1980 1980 1980 1980 1980 1980 1980 1980 SUMMARY STATISTICS FOR 1979 CALENDAR YEAR FOR 1980 WATER YEAR ANNUAL TOTAL 39162 39660 ANNUAL MEAN 107 108 HIGHEST DAILY MEAN 550 Sep 5 625 Mar 13 LOWEST DAILY MEAN 40 Oct 28 24 Jul 16 ANNUAL SEVEN-DAY MINIMUM 42 Oct 16 26 Jul 12 ANNUAL RUNOFF (CFSM) 1.81 1.83 ANNUAL RUNOFF (INCHES) 24.57 24.88 10 PERCENT EXCEEDS 164 221 50 PERCENT EXCEEDS 94 90 90 PERCENT EXCEEDS 63 34 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197400 LOWER THREE RUNS NEAR SNELLING, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331035 LONGITUDE 0812850 NAD27 DRAINAGE AREA 59.3* CONTRIBUTING DRAINAGE AREA DATUM 117 NGVD29 Date Processed: 2004-08-20 15:20 By mishealy APPROVED DD #14, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1980 TO SEPTEMBER 1981 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 186 48 61 77 60 79 90 33 90 19 21 19 2 119 43 61 75 93 100 90 31 105 19 99 19 3 96 40 61 72 88 93 107 27 104 19 78 19 4 84 40 59 70 71 79 98 26 138 19 61 19 5 73 41 58 70 67 130 93 23 287 19 53 19 6 68 40 58 67 65 99 98 23 174 33 48 19 7 62 39 58 80 74 72 86 34 156 30 48 19 8 59 39 58 73 77 65 81 41 212 21 49 19 9 54 40 59 64 71 62 78 33 172 19 42 19 10 50 41 61 59 67 61 75 32 138 19 40 19 11 48 41 66 56 195 60 73 32 116 19 46 19 12 43 40 62 52 195 59 71 32 167 19 47 18 13 40 41 61 48 119 59 68 30 130 19 55 18 14 38 42 60 49 108 58 64 29 111 19 47 18 15 37 59 59 50 102 57 62 28 100 19 41 18 16 36 70 64 49 98 59 59 27 92 19 37 18 17 36 51 67 51 95 61 55 25 85 19 56 18 18 36 49 63 50 127 63 54 26 80 19 47 18 19 35 48 62 49 179 92 51 24 78 19 41 17 20 35 44 61 50 140 71 50 24 79 19 39 17 21 33 44 60 64 118 64 74 25 79 19 32 17 22 34 44 59 61 107 80 64 21 69 19 29 17 23 37 44 107 60 100 105 59 19 57 19 29 17 24 58 52 104 57 99 79 72 19 52 20 32 17 25 55 64 86 56 95 72 65 19 55 20 27 17 26 46 57 75 57 90 69 56 19 40 20 24 17 27 39 74 74 56 86 67 48 20 32 20 22 16 28 39 74 88 59 82 65 42 44 23 20 20 16 29 40 65 86 59 --- 62 37 40 19 20 19 16 30 63 62 81 59 --- 72 34 38 19 20 19 16 31 62 --- 82 64 --- 82 --- 40 --- 20 19 --- TOTAL 1741 1476 2121 1863 2868 2296 2054 884 3059 624 1267 535 MEAN 56.2 49.2 68.4 60.1 102 74.1 68.5 28.5 102 20.1 40.9 17.8 MAX 186 74 107 80 195 130 107 44 287 33 99 19 MIN 33 39 58 48 60 57 34 19 19 19 19 16 CFSM 0.95 0.83 1.15 1.01 1.73 1.25 1.15 0.48 1.72 0.34 0.69 0.30 IN. 1.09 0.93 1.33 1.17 1.80 1.44 1.29 0.55 1.92 0.39 0.79 0.34 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1980 - 1981, BY WATER YEAR (WY) MEAN 55.5 77.2 79.2 99.5 123 161 133 70.0 77.5 28.2 50.6 40.4 MAX 56.2 105 90.0 139 144 247 198 111 102 36.3 60.3 62.9 (WY) 1981 1980 1980 1980 1980 1980 1980 1980 1981 1980 1980 1980 MIN 54.9 49.2 68.4 60.1 102 74.1 68.5 28.5 53.1 20.1 40.9 17.8 (WY) 1980 1981 1981 1981 1981 1981 1981 1981 1980 1981 1981 1981 SUMMARY STATISTICS FOR 1980 CALENDAR YEAR FOR 1981 WATER YEAR WATER YEARS 1980 - 1981 ANNUAL TOTAL 37349 20788 ANNUAL MEAN 102 57.0 82.7 HIGHEST ANNUAL MEAN 108 1980 LOWEST ANNUAL MEAN 57.0 1981 HIGHEST DAILY MEAN 625 Mar 13 287 Jun 5 625 Mar 13 1980 LOWEST DAILY MEAN 24 Jul 16 16 Sep 27 16 Sep 27 1981 ANNUAL SEVEN-DAY MINIMUM 26 Jul 12 16 Sep 24 16 Sep 24 1981 ANNUAL RUNOFF (CFSM) 1.72 0.96 1.39 ANNUAL RUNOFF (INCHES) 23.43 13.04 18.95 10 PERCENT EXCEEDS 216 98 164 50 PERCENT EXCEEDS 76 55 64 90 PERCENT EXCEEDS 34 19 22 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197400 LOWER THREE RUNS NEAR SNELLING, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331035 LONGITUDE 0812850 NAD27 DRAINAGE AREA 59.3* CONTRIBUTING DRAINAGE AREA DATUM 117 NGVD29 Date Processed: 2004-08-20 15:20 By mishealy APPROVED DD #14, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1981 TO SEPTEMBER 1982 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 16 27 20 288 115 104 63 66 81 33 59 24 2 16 26 80 151 107 101 55 62 73 28 53 23 3 16 26 43 177 142 98 52 62 67 26 46 23 4 15 26 33 228 173 98 53 64 74 26 41 22 5 15 26 32 194 135 97 63 59 72 26 74 22 6 15 27 29 144 128 93 86 55 70 26 70 22 7 15 27 29 130 124 113 61 50 58 26 66 21 8 15 24 29 123 118 120 61 41 52 26 64 21 9 15 23 30 114 117 103 82 39 47 43 67 22 10 16 24 26 107 128 97 62 36 43 71 92 24 11 38 25 24 95 122 95 56 34 40 40 108 26 12 32 24 20 93 126 95 55 32 49 32 100 28 13 30 22 20 107 182 93 50 31 133 37 87 26 14 27 21 36 172 157 91 48 29 92 56 79 25 15 25 21 97 163 138 90 48 27 64 66 70 25 16 23 20 94 106 131 88 51 27 51 55 67 24 17 23 27 51 95 165 104 52 27 95 53 62 24 18 21 24 72 89 147 145 83 40 114 46 58 50 19 23 21 62 90 131 110 57 43 62 69 56 176 20 20 26 49 102 121 99 72 47 49 135 56 68 21 21 29 45 101 114 90 70 41 43 65 53 52 22 24 23 45 98 108 85 59 35 40 52 51 57 23 24 20 44 98 101 78 53 32 40 50 50 41 24 26 24 42 124 96 73 47 33 38 174 50 32 25 45 26 78 104 84 73 63 49 36 132 50 27 26 55 21 73 99 87 72 174 47 34 71 48 29 27 61 20 58 95 120 67 241 72 37 58 44 30 28 48 21 58 93 119 62 129 346 52 51 41 26 29 41 20 154 92 --- 64 87 117 51 54 37 23 30 36 19 102 91 --- 65 73 86 38 56 33 23 31 29 --- 188 94 --- 63 --- 93 --- 57 28 --- TOTAL 826 710 1763 3857 3536 2826 2206 1822 1795 1740 1860 1036 MEAN 26.6 23.7 56.9 124 126 91.2 73.5 58.8 59.8 56.1 60.0 34.5 MAX 61 29 188 288 182 145 241 346 133 174 108 176 MIN 15 19 20 89 84 62 47 27 34 26 28 21 CFSM 0.45 0.40 0.96 2.10 2.13 1.54 1.24 0.99 1.01 0.95 1.01 0.58 IN. 0.52 0.45 1.11 2.42 2.22 1.77 1.38 1.14 1.13 1.09 1.17 0.65 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1980 - 1982, BY WATER YEAR (WY) MEAN 45.9 59.4 71.8 108 124 137 113 66.2 71.6 37.5 53.7 38.4 MAX 56.2 105 90.0 139 144 247 198 111 102 56.1 60.3 62.9 (WY) 1981 1980 1980 1980 1980 1980 1980 1980 1981 1982 1980 1980 MIN 26.6 23.7 56.9 60.1 102 74.1 68.5 28.5 53.1 20.1 40.9 17.8 (WY) 1982 1982 1982 1981 1981 1981 1981 1981 1980 1981 1981 1981 SUMMARY STATISTICS FOR 1981 CALENDAR YEAR FOR 1982 WATER YEAR WATER YEARS 1980 - 1982 ANNUAL TOTAL 18749 23977 ANNUAL MEAN 51.4 65.7 77.0 HIGHEST ANNUAL MEAN 108 1980 LOWEST ANNUAL MEAN 57.0 1981 HIGHEST DAILY MEAN 287 Jun 5 346 May 28 625 Mar 13 1980 LOWEST DAILY MEAN 15 Oct 4 15 Oct 4 15 Oct 4 1981 ANNUAL SEVEN-DAY MINIMUM 15 Oct 3 15 Oct 3 15 Oct 3 1981 ANNUAL RUNOFF (CFSM) 0.87 1.11 1.30 ANNUAL RUNOFF (INCHES) 11.76 15.04 17.65 10 PERCENT EXCEEDS 98 123 146 50 PERCENT EXCEEDS 41 54 61 90 PERCENT EXCEEDS 19 23 23 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197400 LOWER THREE RUNS NEAR SNELLING, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331035 LONGITUDE 0812850 NAD27 DRAINAGE AREA 59.3* CONTRIBUTING DRAINAGE AREA DATUM 117 NGVD29 Date Processed: 2004-08-20 15:20 By mishealy APPROVED DD #14, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1982 TO SEPTEMBER 1983 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 23 17 24 95 88 231 124 71 26 28 24 44 2 23 17 26 142 142 177 104 70 23 26 20 38 3 23 17 29 183 148 144 97 70 18 30 25 23 4 23 48 27 116 109 148 90 100 16 85 25 20 5 22 63 27 100 97 144 84 81 16 35 20 20 6 22 33 42 92 101 208 82 71 21 42 24 20 7 20 28 37 86 102 231 156 66 65 40 24 20 8 20 27 32 80 94 182 128 62 105 34 26 20 9 20 25 29 82 89 155 182 62 51 25 28 20 10 20 24 27 105 87 140 183 60 39 20 22 26 11 19 25 30 93 100 131 133 58 33 18 21 35 12 19 26 141 81 95 122 114 55 29 19 22 29 13 19 34 84 67 119 113 106 52 26 20 22 23 14 65 30 50 64 380 106 96 50 23 21 21 62 15 37 28 48 64 228 102 125 47 21 20 20 51 16 27 26 91 62 154 102 134 45 19 17 20 30 17 23 25 70 59 152 208 102 43 18 20 20 23 18 21 25 54 57 146 227 105 39 16 24 19 23 19 21 25 51 54 134 162 139 38 16 20 19 24 20 21 25 53 53 125 131 110 37 16 18 19 30 21 21 25 49 92 117 119 95 35 16 20 19 42 22 20 25 44 160 120 114 87 34 20 21 18 33 23 20 24 43 92 215 102 138 32 67 19 18 25 24 19 24 42 78 163 107 208 31 39 18 22 22 25 19 25 42 64 156 135 131 30 29 21 30 20 26 18 24 42 61 138 110 102 39 24 23 39 18 27 18 25 42 75 122 138 82 33 21 26 34 18 28 18 24 41 170 119 138 76 28 19 30 31 17 29 18 25 91 111 --- 113 74 26 21 24 29 17 30 17 24 153 106 --- 104 72 24 24 19 27 17 31 17 --- 143 94 --- 126 --- 25 --- 21 23 --- TOTAL 693 813 1704 2838 3840 4470 3459 1514 877 804 731 810 MEAN 22.4 27.1 55.0 91.5 137 144 115 48.8 29.2 25.9 23.6 27.0 MAX 65 63 153 183 380 231 208 100 105 85 39 62 MIN 17 17 24 53 87 102 72 24 16 17 18 17 CFSM 0.38 0.46 0.93 1.54 2.31 2.43 1.94 0.82 0.49 0.44 0.40 0.46 IN. 0.43 0.51 1.07 1.78 2.41 2.80 2.17 0.95 0.55 0.50 0.46 0.51 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1980 - 1983, BY WATER YEAR (WY) MEAN 40.0 51.3 67.6 104 128 139 114 61.9 61.0 34.6 46.2 35.6 MAX 56.2 105 90.0 139 144 247 198 111 102 56.1 60.3 62.9 (WY) 1981 1980 1980 1980 1980 1980 1980 1980 1981 1982 1980 1980 MIN 22.4 23.7 55.0 60.1 102 74.1 68.5 28.5 29.2 20.1 23.6 17.8 (WY) 1983 1982 1983 1981 1981 1981 1981 1981 1983 1981 1983 1981 SUMMARY STATISTICS FOR 1982 CALENDAR YEAR FOR 1983 WATER YEAR WATER YEARS 1980 - 1983 ANNUAL TOTAL 23888 22553 ANNUAL MEAN 65.4 61.8 73.2 HIGHEST ANNUAL MEAN 108 1980 LOWEST ANNUAL MEAN 57.0 1981 HIGHEST DAILY MEAN 346 May 28 380 Feb 14 625 Mar 13 1980 LOWEST DAILY MEAN 17 Oct 30 16 Jun 4 15 Oct 4 1981 ANNUAL SEVEN-DAY MINIMUM 17 Oct 28 17 Oct 28 15 Oct 3 1981 ANNUAL RUNOFF (CFSM) 1.10 1.04 1.23 ANNUAL RUNOFF (INCHES) 14.99 14.15 16.78 10 PERCENT EXCEEDS 124 138 142 50 PERCENT EXCEEDS 53 35 58 90 PERCENT EXCEEDS 23 19 20 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197400 LOWER THREE RUNS NEAR SNELLING, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331035 LONGITUDE 0812850 NAD27 DRAINAGE AREA 59.3* CONTRIBUTING DRAINAGE AREA DATUM 117 NGVD29 Date Processed: 2004-08-20 15:20 By mishealy APPROVED DD #14, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1983 TO SEPTEMBER 1984 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 17 20 35 74 91 122 111 121 231 103 138 52 2 17 20 33 70 91 107 102 109 213 85 130 49 3 16 19 34 68 74 100 116 110 192 72 122 47 4 16 22 56 68 63 94 172 238 173 65 114 44 5 16 35 50 65 56 99 251 162 155 63 104 44 6 17 27 103 62 53 199 155 129 124 91 95 43 7 17 25 115 59 50 177 127 470 112 60 86 39 8 26 31 63 49 46 124 115 288 106 53 77 36 9 43 32 56 47 45 105 113 239 100 52 70 35 10 31 32 53 61 45 95 135 204 92 53 65 35 11 28 34 58 96 44 83 116 183 84 50 66 35 12 28 35 114 80 44 67 101 168 79 49 66 32 13 27 32 80 67 74 111 93 154 78 46 78 31 14 26 34 70 64 168 100 91 144 80 40 69 30 15 24 61 72 62 109 79 142 131 71 36 61 29 16 23 74 65 67 87 73 109 118 64 34 57 28 17 24 58 60 66 79 72 103 105 58 33 56 26 18 28 52 59 78 74 72 96 101 53 64 53 23 19 33 50 64 133 70 71 85 104 49 93 57 22 20 38 72 58 95 68 72 132 97 45 144 209 21 21 37 76 62 77 65 142 134 88 44 119 118 21 22 35 68 84 70 67 97 114 83 84 104 98 20 23 44 69 74 66 124 82 236 86 91 90 107 20 24 46 75 67 84 94 75 150 100 72 83 107 21 25 35 165 66 121 76 329 104 86 66 76 82 21 26 31 73 55 94 68 215 83 85 59 84 67 20 27 28 49 54 160 186 129 85 130 70 129 67 19 28 25 67 71 139 275 162 154 138 85 117 65 21 29 23 60 145 100 146 210 136 359 69 166 59 36 30 22 40 125 89 --- 152 191 329 90 165 57 28 31 21 --- 83 85 --- 123 --- 259 --- 175 54 --- TOTAL 842 1507 2184 2516 2532 3738 3852 5118 2889 2594 2654 928 MEAN 27.2 50.2 70.5 81.2 87.3 121 128 165 96.3 83.7 85.6 30.9 MAX 46 165 145 160 275 329 251 470 231 175 209 52 MIN 16 19 33 47 44 67 83 83 44 33 53 19 CFSM 0.46 0.85 1.19 1.37 1.47 2.03 2.17 2.78 1.62 1.41 1.44 0.52 IN. 0.53 0.95 1.37 1.58 1.59 2.34 2.42 3.21 1.81 1.63 1.66 0.58 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1980 - 1984, BY WATER YEAR (WY) MEAN 37.4 51.1 68.1 99.2 119 135 117 82.5 68.1 44.4 54.1 34.6 MAX 56.2 105 90.0 139 144 247 198 165 102 83.7 85.6 62.9 (WY) 1981 1980 1980 1980 1980 1980 1980 1984 1981 1984 1984 1980 MIN 22.4 23.7 55.0 60.1 87.3 74.1 68.5 28.5 29.2 20.1 23.6 17.8 (WY) 1983 1982 1983 1981 1984 1981 1981 1981 1983 1981 1983 1981 SUMMARY STATISTICS FOR 1983 CALENDAR YEAR FOR 1984 WATER YEAR WATER YEARS 1980 - 1984 ANNUAL TOTAL 23876 31354 ANNUAL MEAN 65.4 85.7 75.7 HIGHEST ANNUAL MEAN 108 1980 LOWEST ANNUAL MEAN 57.0 1981 HIGHEST DAILY MEAN 380 Feb 14 470 May 7 625 Mar 13 1980 LOWEST DAILY MEAN 16 Jun 4 16 Oct 3 15 Oct 4 1981 ANNUAL SEVEN-DAY MINIMUM 17 Sep 29 17 Oct 1 15 Oct 3 1981 ANNUAL RUNOFF (CFSM) 1.10 1.44 1.28 ANNUAL RUNOFF (INCHES) 14.98 19.67 17.35 10 PERCENT EXCEEDS 138 154 144 50 PERCENT EXCEEDS 50 72 62 90 PERCENT EXCEEDS 20 28 21 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197400 LOWER THREE RUNS NEAR SNELLING, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331035 LONGITUDE 0812850 NAD27 DRAINAGE AREA 59.3* CONTRIBUTING DRAINAGE AREA DATUM 117 NGVD29 Date Processed: 2004-08-20 15:20 By mishealy APPROVED DD #14, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1984 TO SEPTEMBER 1985 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 --- 33 40 42 41 59 40 20 44 31 78 88 2 --- 34 40 43 50 58 41 21 42 28 87 87 3 --- 41 48 92 49 57 41 22 42 26 76 82 4 25 41 48 153 44 55 38 21 41 25 64 81 5 25 39 51 95 101 54 36 20 40 27 58 72 6 24 39 66 70 277 52 52 20 39 30 55 63 7 25 37 55 65 138 49 42 20 39 31 54 55 8 25 37 48 62 95 46 37 20 86 30 73 51 9 24 38 46 59 86 45 35 20 64 28 82 49 10 24 39 46 57 81 45 33 22 53 27 79 47 11 24 42 48 54 79 43 32 21 47 26 71 48 12 25 43 49 54 87 43 31 20 51 27 66 56 13 25 42 51 52 82 42 30 19 48 26 64 52 14 24 40 50 50 73 40 31 18 42 28 62 48 15 24 38 49 50 69 40 30 18 40 39 60 44 16 25 40 49 46 66 40 29 19 79 30 62 41 17 27 38 52 48 63 51 28 18 74 37 61 38 18 48 38 53 50 61 44 27 18 59 32 59 35 19 32 39 51 47 60 40 26 18 58 30 59 34 20 29 40 50 46 70 38 25 17 53 28 57 32 21 28 36 45 45 70 42 25 18 47 27 58 31 22 29 36 44 43 63 50 24 21 43 26 68 31 23 28 34 44 42 61 43 23 51 39 31 64 29 24 28 34 43 42 59 42 23 29 37 32 62 28 25 27 34 43 40 63 40 23 26 34 36 72 28 26 27 35 43 39 68 38 22 26 32 35 105 28 27 28 35 43 36 80 37 21 27 30 34 84 27 28 30 48 42 37 75 37 22 28 25 54 74 25 29 37 52 42 37 --- 37 21 31 26 82 73 24 30 33 42 42 36 --- 35 21 40 37 76 99 26 31 33 --- 42 42 --- 35 --- 45 --- 75 97 --- TOTAL --- 1164 1463 1674 2211 1377 909 734 1391 1094 2183 1380 MEAN --- 38.8 47.2 54.0 79.0 44.4 30.3 23.7 46.4 35.3 70.4 46.0 MAX --- 52 66 153 277 59 52 51 86 82 105 88 MIN --- 33 40 36 41 35 21 17 25 25 54 24 CFSM --- 0.65 0.80 0.91 1.33 0.75 0.51 0.40 0.78 0.60 1.19 0.78 IN. --- 0.73 0.92 1.05 1.39 0.86 0.57 0.46 0.87 0.69 1.37 0.87 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1980 - 1985, BY WATER YEAR (WY) MEAN 37.4 49.0 64.7 91.7 113 120 102 72.7 64.5 42.9 56.8 36.5 MAX 56.2 105 90.0 139 144 247 198 165 102 83.7 85.6 62.9 (WY) 1981 1980 1980 1980 1980 1980 1980 1984 1981 1984 1984 1980 MIN 22.4 23.7 47.2 54.0 79.0 44.4 30.3 23.7 29.2 20.1 23.6 17.8 (WY) 1983 1982 1985 1985 1985 1985 1985 1985 1983 1981 1983 1981 SUMMARY STATISTICS WATER YEARS 1980 - 1985 ANNUAL MEAN 75.7 HIGHEST ANNUAL MEAN 108 1980 LOWEST ANNUAL MEAN 57.0 1981 HIGHEST DAILY MEAN 625 Mar 13 1980 LOWEST DAILY MEAN 15 Oct 4 1981 ANNUAL SEVEN-DAY MINIMUM 15 Oct 3 1981 ANNUAL RUNOFF (CFSM) 1.28 ANNUAL RUNOFF (INCHES) 17.35 10 PERCENT EXCEEDS 136 50 PERCENT EXCEEDS 55 90 PERCENT EXCEEDS 21 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197400 LOWER THREE RUNS NEAR SNELLING, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331035 LONGITUDE 0812850 NAD27 DRAINAGE AREA 59.3* CONTRIBUTING DRAINAGE AREA DATUM 117 NGVD29 Date Processed: 2004-08-20 15:20 By mishealy APPROVED DD #14, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1985 TO SEPTEMBER 1986 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 27 72 135 65 73 92 55 32 22 24 28 143 2 34 42 124 64 72 88 54 31 22 22 28 143 3 39 37 122 65 69 89 53 30 23 22 27 146 4 32 48 121 65 68 89 50 29 24 21 27 147 5 35 42 118 68 69 87 48 28 25 21 27 152 6 34 37 125 66 88 84 47 26 24 22 27 171 7 29 35 120 64 112 82 46 24 23 24 28 157 8 27 35 109 64 85 81 47 25 22 25 29 148 9 27 35 101 62 79 77 52 28 21 27 30 145 10 26 35 95 68 102 75 47 28 23 26 32 142 11 29 35 91 95 248 74 44 29 24 23 33 137 12 30 48 96 77 166 73 41 28 25 22 36 134 13 29 99 286 72 138 81 40 54 24 20 40 141 14 27 69 164 74 122 163 38 41 22 18 84 153 15 26 60 116 79 112 126 37 39 22 17 110 157 16 30 58 96 78 107 95 36 35 22 16 91 150 17 27 57 91 76 105 88 36 33 26 17 85 140 18 26 55 91 71 104 88 35 31 25 16 76 132 19 25 54 91 71 102 83 34 30 24 13 79 122 20 24 54 89 70 100 127 33 31 24 15 86 109 21 25 68 87 68 98 98 35 30 24 14 121 97 22 27 305 85 70 98 79 38 28 24 19 112 88 23 29 218 81 74 99 72 38 27 23 18 89 81 24 26 129 78 77 97 68 34 26 22 16 81 74 25 23 115 77 80 94 65 32 25 25 16 83 69 26 21 107 73 86 90 63 30 24 26 18 78 64 27 22 102 68 90 109 62 29 24 25 23 79 61 28 23 98 68 85 102 60 30 24 25 26 92 57 29 23 94 70 79 --- 58 34 23 25 27 107 54 30 22 129 67 80 --- 57 34 24 25 28 127 59 31 36 --- 64 77 --- 55 --- 23 --- 28 144 --- TOTAL 860 2372 3199 2280 2908 2579 1207 910 711 644 2116 3573 MEAN 27.7 79.1 103 73.5 104 83.2 40.2 29.4 23.7 20.8 68.3 119 MAX 39 305 286 95 248 163 55 54 26 28 144 171 MIN 21 35 64 62 68 55 29 23 21 13 27 54 CFSM 0.47 1.33 1.74 1.24 1.75 1.40 0.68 0.50 0.40 0.35 1.15 2.01 IN. 0.54 1.49 2.01 1.43 1.82 1.62 0.76 0.57 0.45 0.40 1.33 2.24 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1980 - 1986, BY WATER YEAR (WY) MEAN 35.8 53.3 70.2 89.1 111 115 93.5 66.5 58.6 39.7 58.4 48.3 MAX 56.2 105 103 139 144 247 198 165 102 83.7 85.6 119 (WY) 1981 1980 1986 1980 1980 1980 1980 1984 1981 1984 1984 1986 MIN 22.4 23.7 47.2 54.0 79.0 44.4 30.3 23.7 23.7 20.1 23.6 17.8 (WY) 1983 1982 1985 1985 1985 1985 1985 1985 1986 1981 1983 1981 SUMMARY STATISTICS FOR 1985 CALENDAR YEAR FOR 1986 WATER YEAR WATER YEARS 1980 - 1986 ANNUAL TOTAL 19384 23359 ANNUAL MEAN 53.1 64.0 73.8 HIGHEST ANNUAL MEAN 108 1980 LOWEST ANNUAL MEAN 57.0 1981 HIGHEST DAILY MEAN 305 Nov 22 305 Nov 22 625 Mar 13 1980 LOWEST DAILY MEAN 17 May 20 13 Jul 19 13 Jul 19 1986 ANNUAL SEVEN-DAY MINIMUM 18 May 14 15 Jul 15 15 Oct 3 1981 ANNUAL RUNOFF (CFSM) 0.90 1.08 1.24 ANNUAL RUNOFF (INCHES) 12.16 14.65 16.90 10 PERCENT EXCEEDS 91 122 134 50 PERCENT EXCEEDS 43 57 56 90 PERCENT EXCEEDS 24 23 22 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197400 LOWER THREE RUNS NEAR SNELLING, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331035 LONGITUDE 0812850 NAD27 DRAINAGE AREA 59.3* CONTRIBUTING DRAINAGE AREA DATUM 117 NGVD29 Date Processed: 2004-08-20 15:20 By mishealy APPROVED DD #14, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1986 TO SEPTEMBER 1987 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 60 48 90 132 120 251 136 26 21 52 34 44 2 57 47 87 127 118 179 122 25 21 46 58 43 3 54 41 86 89 124 155 118 25 20 55 54 42 4 50 39 73 81 116 145 119 24 35 57 50 41 5 47 38 68 79 108 138 107 29 43 60 48 49 6 44 37 65 80 117 134 98 30 29 53 45 81 7 45 37 62 77 160 131 92 29 23 52 49 129 8 45 37 61 75 145 157 82 28 21 49 51 87 9 47 37 60 77 120 155 72 26 21 47 48 76 10 70 37 62 76 109 144 64 24 20 45 46 71 11 79 35 72 76 103 131 58 23 19 51 72 68 12 70 35 90 75 100 128 53 24 19 76 70 77 13 65 35 99 74 96 121 48 31 19 76 61 144 14 66 35 76 74 92 116 45 54 26 72 55 102 15 63 38 69 76 90 109 54 107 31 67 52 90 16 56 38 66 81 145 104 52 38 27 60 52 83 17 52 47 65 102 149 101 47 33 28 55 54 78 18 47 48 65 124 122 97 45 30 32 51 50 73 19 45 44 66 165 116 177 44 29 141 48 49 72 20 42 77 63 165 108 142 40 28 178 46 54 78 21 38 88 62 131 103 114 36 27 78 44 47 72 22 34 60 59 282 102 105 33 27 59 43 44 65 23 29 57 62 216 108 99 31 26 55 42 42 61 24 26 58 78 159 96 96 30 26 52 41 40 58 25 26 61 76 160 92 119 30 26 50 47 40 56 26 28 65 67 181 91 143 29 25 57 42 38 54 27 28 56 64 156 126 125 29 25 59 39 38 52 28 29 55 62 143 208 125 28 24 53 39 37 51 29 29 53 60 136 --- 124 27 23 48 37 36 50 30 28 75 58 131 --- 152 27 22 50 36 35 57 31 30 --- 57 126 --- 164 --- 22 --- 35 37 --- TOTAL 1429 1458 2150 3726 3284 4181 1796 936 1335 1563 1486 2104 MEAN 46.1 48.6 69.4 120 117 135 59.9 30.2 44.5 50.4 47.9 70.1 MAX 79 88 99 282 208 251 136 107 178 76 72 144 MIN 26 35 57 74 90 96 27 22 19 35 34 41 CFSM 0.78 0.82 1.17 2.03 1.98 2.27 1.01 0.51 0.75 0.85 0.81 1.18 IN. 0.90 0.91 1.35 2.34 2.06 2.62 1.13 0.59 0.84 0.98 0.93 1.32 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1980 - 1987, BY WATER YEAR (WY) MEAN 37.3 52.7 70.1 93.0 112 117 89.3 62.0 56.9 41.1 57.1 51.1 MAX 56.2 105 103 139 144 247 198 165 102 83.7 85.6 119 (WY) 1981 1980 1986 1980 1980 1980 1980 1984 1981 1984 1984 1986 MIN 22.4 23.7 47.2 54.0 79.0 44.4 30.3 23.7 23.7 20.1 23.6 17.8 (WY) 1983 1982 1985 1985 1985 1985 1985 1985 1986 1981 1983 1981 SUMMARY STATISTICS FOR 1986 CALENDAR YEAR FOR 1987 WATER YEAR WATER YEARS 1980 - 1987 ANNUAL TOTAL 21965 25448 ANNUAL MEAN 60.2 69.7 73.2 HIGHEST ANNUAL MEAN 108 1980 LOWEST ANNUAL MEAN 57.0 1981 HIGHEST DAILY MEAN 248 Feb 11 282 Jan 22 625 Mar 13 1980 LOWEST DAILY MEAN 13 Jul 19 19 Jun 11 13 Jul 19 1986 ANNUAL SEVEN-DAY MINIMUM 15 Jul 15 20 Jun 7 15 Oct 3 1981 ANNUAL RUNOFF (CFSM) 1.01 1.18 1.23 ANNUAL RUNOFF (INCHES) 13.78 15.96 16.77 10 PERCENT EXCEEDS 107 131 134 50 PERCENT EXCEEDS 57 57 56 90 PERCENT EXCEEDS 24 28 23 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197400 LOWER THREE RUNS NEAR SNELLING, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331035 LONGITUDE 0812850 NAD27 DRAINAGE AREA 59.3* CONTRIBUTING DRAINAGE AREA DATUM 117 NGVD29 Date Processed: 2004-08-20 15:20 By mishealy APPROVED DD #14, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1987 TO SEPTEMBER 1988 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 59 48 62 54 62 60 54 53 23 122 41 74 2 55 51 58 68 61 59 53 49 22 110 43 70 3 51 52 55 87 57 58 52 48 22 98 50 70 4 48 54 55 87 59 70 52 45 21 91 50 70 5 46 55 55 72 62 70 52 49 21 84 54 82 6 45 55 54 66 58 64 54 46 20 77 58 76 7 44 53 52 66 56 61 70 43 20 72 68 69 8 43 52 53 79 56 59 57 40 41 68 71 66 9 42 53 54 76 56 63 53 38 33 65 73 186 10 42 54 55 78 55 87 50 37 66 63 74 147 11 42 61 56 78 56 86 50 51 39 63 75 109 12 44 57 55 75 59 72 76 44 31 72 79 95 13 44 56 54 73 59 69 95 41 29 65 75 84 14 40 54 54 72 57 67 69 41 27 61 81 68 15 38 54 58 69 58 65 61 39 25 60 90 55 16 37 55 62 67 62 62 56 38 24 57 93 46 17 37 69 57 70 60 60 52 37 23 56 95 42 18 37 104 55 86 60 60 54 36 22 54 95 47 19 37 79 55 84 71 65 134 34 23 51 98 36 20 38 73 56 89 95 62 87 32 25 48 99 31 21 40 68 58 94 91 59 67 30 26 47 92 27 22 40 62 65 81 79 58 61 30 27 48 93 24 23 40 61 65 74 74 58 68 29 28 56 96 22 24 40 61 62 71 72 59 111 28 28 55 103 21 25 40 61 62 74 70 59 79 28 30 52 75 21 26 42 60 62 79 68 61 100 28 37 49 65 33 27 51 64 62 72 66 61 77 27 122 46 61 30 28 54 67 65 67 63 59 66 26 100 49 71 27 29 50 66 65 66 61 57 60 25 84 44 86 25 30 48 65 57 64 --- 56 55 24 96 47 77 24 31 48 --- 54 63 --- 55 --- 24 --- 49 79 --- TOTAL 1362 1824 1792 2301 1863 1961 2025 1140 1135 1979 2360 1777 MEAN 43.9 60.8 57.8 74.2 64.2 63.3 67.5 36.8 37.8 63.8 76.1 59.2 MAX 59 104 65 94 95 87 134 53 122 122 103 186 MIN 37 48 52 54 55 55 50 24 20 44 41 21 CFSM 0.74 1.03 0.97 1.25 1.08 1.07 1.14 0.62 0.64 1.08 1.28 1.00 IN. 0.85 1.14 1.12 1.44 1.17 1.23 1.27 0.72 0.71 1.24 1.48 1.11 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1980 - 1988, BY WATER YEAR (WY) MEAN 38.1 53.6 68.7 90.9 107 111 86.9 59.2 54.8 43.6 59.2 52.0 MAX 56.2 105 103 139 144 247 198 165 102 83.7 85.6 119 (WY) 1981 1980 1986 1980 1980 1980 1980 1984 1981 1984 1984 1986 MIN 22.4 23.7 47.2 54.0 64.2 44.4 30.3 23.7 23.7 20.1 23.6 17.8 (WY) 1983 1982 1985 1985 1988 1985 1985 1985 1986 1981 1983 1981 SUMMARY STATISTICS FOR 1987 CALENDAR YEAR FOR 1988 WATER YEAR WATER YEARS 1980 - 1988 ANNUAL TOTAL 25389 21519 ANNUAL MEAN 69.6 58.8 71.4 HIGHEST ANNUAL MEAN 108 1980 LOWEST ANNUAL MEAN 57.0 1981 HIGHEST DAILY MEAN 282 Jan 22 186 Sep 9 625 Mar 13 1980 LOWEST DAILY MEAN 19 Jun 11 20 Jun 6 13 Jul 19 1986 ANNUAL SEVEN-DAY MINIMUM 20 Jun 7 21 Jun 1 15 Oct 3 1981 ANNUAL RUNOFF (CFSM) 1.17 0.99 1.20 ANNUAL RUNOFF (INCHES) 15.93 13.50 16.36 10 PERCENT EXCEEDS 131 86 129 50 PERCENT EXCEEDS 55 58 56 90 PERCENT EXCEEDS 28 30 23 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197400 LOWER THREE RUNS NEAR SNELLING, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331035 LONGITUDE 0812850 NAD27 DRAINAGE AREA 59.3* CONTRIBUTING DRAINAGE AREA DATUM 117 NGVD29 Date Processed: 2004-08-20 15:20 By mishealy APPROVED DD #14, ,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 23 25 58 93 96 119 82 69 44 68 91 93 2 22 27 58 106 95 120 78 97 43 63 95 84 3 21 25 55 105 94 154 75 79 44 61 90 76 4 27 25 54 121 93 152 73 72 54 76 81 72 5 27 28 55 122 92 141 71 68 47 114 73 68 6 24 33 55 118 91 139 70 73 49 87 71 68 7 23 32 56 116 94 132 70 70 49 89 71 65 8 22 31 57 114 94 126 70 65 48 80 68 62 9 21 30 57 112 93 120 137 66 89 75 71 59 10 20 30 60 109 92 114 160 98 78 72 69 56 11 20 31 62 108 91 107 188 89 64 68 67 54 12 19 32 64 107 90 102 130 78 60 65 66 51 13 19 33 64 106 90 98 114 73 57 70 67 49 14 18 33 65 106 90 94 106 70 54 67 67 49 15 18 34 65 104 90 91 119 71 52 75 72 58 16 18 35 67 103 89 90 125 68 67 115 80 53 17 17 37 73 101 89 89 107 65 102 86 81 49 18 17 40 73 98 88 87 99 63 85 79 91 46 19 17 41 71 96 89 84 93 61 77 81 88 43 20 17 43 71 95 89 81 93 60 150 126 85 42 21 19 45 71 95 96 79 92 58 109 138 85 107 22 22 47 72 94 130 79 85 57 135 150 81 226 23 21 48 74 93 134 88 81 56 104 119 78 130 24 20 53 75 92 128 137 78 55 93 108 74 91 25 20 53 77 91 126 108 75 53 95 98 79 85 26 19 54 78 91 120 97 72 52 87 92 102 85 27 19 55 77 90 114 91 69 51 80 87 89 84 28 20 62 77 94 112 88 67 49 74 92 89 76 29 20 64 78 95 --- 87 65 47 71 90 80 71 30 21 59 78 95 --- 85 64 45 71 90 74 68 31 21 --- 79 96 --- 84 --- 45 --- 95 85 --- TOTAL 632 1185 2076 3166 2789 3263 2808 2023 2232 2776 2460 2220 MEAN 20.4 39.5 67.0 102 99.6 105 93.6 65.3 74.4 89.5 79.4 74.0 MAX 27 64 79 122 134 154 188 98 150 150 102 226 MIN 17 25 54 90 88 79 64 45 43 61 66 42 CFSM 0.34 0.67 1.13 1.72 1.68 1.78 1.58 1.10 1.25 1.51 1.34 1.25 IN. 0.40 0.74 1.30 1.99 1.75 2.05 1.76 1.27 1.40 1.74 1.54 1.39 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1980 - 1989, BY WATER YEAR (WY) MEAN 36.2 52.2 68.5 92.0 106 111 87.5 59.8 56.7 48.2 61.2 54.2 MAX 56.2 105 103 139 144 247 198 165 102 89.5 85.6 119 (WY) 1981 1980 1986 1980 1980 1980 1980 1984 1981 1989 1984 1986 MIN 20.4 23.7 47.2 54.0 64.2 44.4 30.3 23.7 23.7 20.1 23.6 17.8 (WY) 1989 1982 1985 1985 1988 1985 1985 1985 1986 1981 1983 1981 SUMMARY STATISTICS FOR 1988 CALENDAR YEAR FOR 1989 WATER YEAR WATER YEARS 1980 - 1989 ANNUAL TOTAL 20434 27630 ANNUAL MEAN 55.8 75.7 71.9 HIGHEST ANNUAL MEAN 108 1980 LOWEST ANNUAL MEAN 57.0 1981 HIGHEST DAILY MEAN 186 Sep 9 226 Sep 22 625 Mar 13 1980 LOWEST DAILY MEAN 17 Oct 17 17 Oct 17 13 Jul 19 1986 ANNUAL SEVEN-DAY MINIMUM 17 Oct 14 17 Oct 14 15 Oct 3 1981 ANNUAL RUNOFF (CFSM) 0.94 1.28 1.21 ANNUAL RUNOFF (INCHES) 12.82 17.33 16.47 10 PERCENT EXCEEDS 85 114 127 50 PERCENT EXCEEDS 58 76 59 90 PERCENT EXCEEDS 23 29 23 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197400 LOWER THREE RUNS NEAR SNELLING, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331035 LONGITUDE 0812850 NAD27 DRAINAGE AREA 59.3* CONTRIBUTING DRAINAGE AREA DATUM 117 NGVD29 Date Processed: 2004-08-20 15:20 By mishealy APPROVED DD #14, ,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 92 76 111 167 153 133 86 44 64 35 45 137 2 325 79 108 156 151 130 78 41 60 35 45 128 3 167 87 107 148 149 130 73 39 59 34 52 120 4 131 89 105 147 151 126 69 38 57 33 58 113 5 122 88 103 147 160 119 66 40 53 33 55 109 6 115 85 103 157 152 114 63 54 49 32 52 103 7 109 86 105 178 149 111 64 52 46 31 51 97 8 113 86 153 251 146 107 63 49 46 30 61 93 9 110 99 204 199 146 108 61 50 48 30 79 91 10 102 112 183 184 146 115 60 66 45 30 96 90 11 98 96 156 177 148 108 78 65 42 31 98 87 12 92 91 152 176 145 103 64 61 40 33 96 84 13 90 89 181 174 140 97 58 58 36 35 92 82 14 88 88 167 170 137 93 55 57 35 42 88 81 15 88 102 158 168 135 90 55 54 35 42 83 84 16 88 149 157 167 144 89 54 51 52 39 79 80 17 93 125 153 163 189 107 51 50 64 37 78 76 18 128 110 150 162 162 138 49 50 55 36 78 72 19 132 104 160 161 215 106 50 47 51 44 75 68 20 116 100 165 158 181 97 48 44 48 44 72 66 21 100 98 149 163 163 92 46 43 46 43 70 64 22 91 95 144 164 158 88 45 41 45 42 199 64 23 86 119 140 158 169 86 43 40 45 43 231 64 24 83 123 138 155 161 86 41 36 45 44 160 58 25 81 109 137 155 148 85 40 36 43 45 146 52 26 78 106 135 190 141 82 39 35 42 48 145 48 27 76 106 135 173 138 80 38 34 41 50 139 44 28 74 105 132 161 135 76 38 42 40 50 134 41 29 73 122 132 158 --- 77 59 205 38 49 127 39 30 73 118 133 159 --- 79 48 85 37 48 119 41 31 74 --- 136 155 --- 91 --- 68 --- 47 125 --- TOTAL 3288 3042 4392 5201 4312 3143 1682 1675 1407 1215 3028 2376 MEAN 106 101 142 168 154 101 56.1 54.0 46.9 39.2 97.7 79.2 MAX 325 149 204 251 215 138 86 205 64 50 231 137 MIN 73 76 103 147 135 76 38 34 35 30 45 39 CFSM 1.79 1.71 2.39 2.83 2.60 1.71 0.95 0.91 0.79 0.66 1.65 1.34 IN. 2.06 1.91 2.76 3.26 2.70 1.97 1.06 1.05 0.88 0.76 1.90 1.49 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1980 - 1990, BY WATER YEAR (WY) MEAN 43.1 56.7 75.2 98.9 110 110 84.7 59.3 55.8 47.4 64.6 56.4 MAX 106 105 142 168 154 247 198 165 102 89.5 97.7 119 (WY) 1990 1980 1990 1990 1990 1980 1980 1984 1981 1989 1990 1986 MIN 20.4 23.7 47.2 54.0 64.2 44.4 30.3 23.7 23.7 20.1 23.6 17.8 (WY) 1989 1982 1985 1985 1988 1985 1985 1985 1986 1981 1983 1981 SUMMARY STATISTICS FOR 1989 CALENDAR YEAR FOR 1990 WATER YEAR WATER YEARS 1980 - 1990 ANNUAL TOTAL 34459 34761 ANNUAL MEAN 94.4 95.2 74.2 HIGHEST ANNUAL MEAN 108 1980 LOWEST ANNUAL MEAN 57.0 1981 HIGHEST DAILY MEAN 325 Oct 2 325 Oct 2 625 Mar 13 1980 LOWEST DAILY MEAN 42 Sep 20 30 Jul 8 13 Jul 19 1986 ANNUAL SEVEN-DAY MINIMUM 45 May 28 31 Jul 5 15 Oct 3 1981 ANNUAL RUNOFF (CFSM) 1.59 1.61 1.25 ANNUAL RUNOFF (INCHES) 21.62 21.81 17.00 10 PERCENT EXCEEDS 135 160 134 50 PERCENT EXCEEDS 90 88 60 90 PERCENT EXCEEDS 61 41 24 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197400 LOWER THREE RUNS NEAR SNELLING, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331035 LONGITUDE 0812850 NAD27 DRAINAGE AREA 59.3* CONTRIBUTING DRAINAGE AREA DATUM 117 NGVD29 Date Processed: 2004-08-20 15:20 By mishealy APPROVED DD #14, ,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 43 148 93 93 261 131 107 125 149 32 146 330 2 39 140 92 108 227 244 94 108 138 30 653 257 3 37 132 90 101 213 298 84 98 125 29 168 223 4 36 127 91 99 204 320 77 93 115 29 96 125 5 38 123 91 98 195 230 79 104 107 48 104 59 6 36 120 88 96 190 204 96 152 99 37 199 50 7 35 120 87 94 235 196 70 134 91 34 198 101 8 34 116 112 102 275 185 62 121 84 32 199 243 9 33 124 111 101 244 181 69 114 79 29 211 355 10 103 221 97 97 221 174 59 113 76 28 145 353 11 487 177 93 116 208 167 52 112 73 27 227 349 12 504 147 91 153 199 160 49 109 70 26 341 344 13 422 138 90 135 190 186 48 117 69 28 325 341 14 294 130 88 117 186 197 48 116 119 26 351 336 15 256 125 88 113 177 166 47 108 223 25 381 321 16 229 121 87 145 169 156 58 105 123 28 314 316 17 209 118 87 139 161 151 49 158 105 52 297 306 18 198 117 87 124 158 153 47 126 102 62 286 292 19 193 111 91 133 155 151 68 169 96 43 274 281 20 178 108 98 233 153 141 75 136 91 37 267 134 21 163 104 107 173 150 136 53 126 85 33 250 98 22 213 102 101 151 146 132 46 118 77 33 301 95 23 743 101 99 142 152 127 43 116 70 32 327 94 24 339 101 98 174 156 121 42 111 61 28 332 92 25 249 97 96 244 147 112 41 109 51 39 418 104 26 234 93 92 180 144 102 40 110 42 34 359 132 27 212 92 90 164 139 94 61 126 75 52 378 102 28 193 97 89 164 133 88 156 145 50 106 380 95 29 180 111 89 167 --- 121 100 125 40 84 369 93 30 169 104 89 355 --- 289 154 122 35 65 358 91 31 158 --- 90 394 --- 132 --- 152 --- 68 338 --- TOTAL 6257 3665 2892 4705 5188 5245 2074 3778 2720 1256 8992 6112 MEAN 202 122 93.3 152 185 169 69.1 122 90.7 40.5 290 204 MAX 743 221 112 394 275 320 156 169 223 106 653 355 MIN 33 92 87 93 133 88 40 93 35 25 96 50 CFSM 3.40 2.06 1.57 2.56 3.12 2.85 1.17 2.06 1.53 0.68 4.89 3.44 IN. 3.93 2.30 1.81 2.95 3.25 3.29 1.30 2.37 1.71 0.79 5.64 3.83 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1974 - 1991, BY WATER YEAR (WY) MEAN 63.0 67.8 83.7 110 120 123 92.2 81.1 65.8 59.0 85.7 72.3 MAX 202 122 142 186 185 247 198 165 102 154 290 204 (WY) 1991 1991 1990 1978 1991 1980 1980 1984 1981 1975 1991 1991 MIN 20.4 23.7 47.2 54.0 64.2 44.4 30.3 23.7 23.7 20.1 23.6 17.8 (WY) 1989 1982 1985 1985 1988 1985 1985 1985 1986 1981 1983 1981 SUMMARY STATISTICS FOR 1990 CALENDAR YEAR FOR 1991 WATER YEAR WATER YEARS 1974 - 1991 ANNUAL TOTAL 52884 ANNUAL MEAN 145 86.9 HIGHEST ANNUAL MEAN 145 1991 LOWEST ANNUAL MEAN 57.0 1981 HIGHEST DAILY MEAN 743 Oct 23 743 Oct 23 1990 LOWEST DAILY MEAN 25 Jul 15 13 Jul 19 1986 ANNUAL SEVEN-DAY MINIMUM 27 Jul 10 15 Oct 3 1981 MAXIMUM PEAK FLOW 913 Oct 23 913 Oct 23 1990 MAXIMUM PEAK STAGE 4.53 Oct 23 4.53 Oct 23 1990 ANNUAL RUNOFF (CFSM) 2.44 1.47 ANNUAL RUNOFF (INCHES) 33.18 19.92 10 PERCENT EXCEEDS 295 153 50 PERCENT EXCEEDS 117 73 90 PERCENT EXCEEDS 43 28 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197400 LOWER THREE RUNS NEAR SNELLING, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331035 LONGITUDE 0812850 NAD27 DRAINAGE AREA 59.3* CONTRIBUTING DRAINAGE AREA DATUM 117 NGVD29 Date Processed: 2004-08-20 15:20 By mishealy APPROVED DD #14, ,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 90 65 72 95 77 72 76 63 66 114 59 64 2 93 65 72 94 75 72 72 62 64 159 58 63 3 103 65 73 98 75 71 70 61 71 191 57 68 4 93 65 101 180 75 71 67 60 129 183 57 72 5 91 65 97 137 74 70 66 59 98 149 57 87 6 91 65 89 93 81 86 65 63 85 101 74 85 7 91 64 87 91 85 113 67 71 82 100 64 83 8 89 65 86 81 76 90 69 79 116 87 62 78 9 87 71 86 78 74 85 68 71 294 71 59 71 10 86 118 82 78 73 84 67 65 214 68 57 69 11 85 100 75 76 73 84 70 61 218 67 56 67 12 82 89 71 76 70 79 87 60 205 66 56 67 13 45 87 70 115 67 71 83 60 206 66 77 65 14 66 86 71 147 68 70 79 62 209 64 92 63 15 70 84 71 146 73 70 78 62 209 63 165 63 16 69 83 69 105 83 69 78 63 204 63 169 63 17 64 82 69 85 86 69 76 67 163 69 153 62 18 62 82 68 84 115 68 75 63 91 158 148 61 19 37 83 69 117 97 84 74 61 81 114 109 61 20 59 83 68 116 90 80 94 61 78 158 94 60 21 62 82 68 100 74 81 92 59 75 105 78 60 22 62 77 68 97 72 81 123 59 73 87 87 60 23 62 80 68 126 147 82 136 59 73 119 81 61 24 63 83 75 124 131 81 143 59 72 87 74 75 25 63 83 76 150 153 85 110 59 73 79 71 73 26 63 82 74 163 204 109 66 60 94 76 71 72 27 64 75 75 110 107 89 65 63 78 66 70 72 28 65 72 88 96 77 83 64 65 71 68 79 67 29 64 72 159 94 75 82 64 68 73 61 79 64 30 65 72 109 81 --- 85 63 74 94 60 69 62 31 65 --- 97 79 --- 88 --- 70 --- 59 65 --- TOTAL 2251 2345 2503 3312 2627 2504 2407 1969 3659 2978 2547 2038 MEAN 72.6 78.2 80.7 107 90.6 80.8 80.2 63.5 122 96.1 82.2 67.9 MAX 103 118 159 180 204 113 143 79 294 191 169 87 MIN 37 64 68 76 67 68 63 59 64 59 56 60 CFSM 1.22 1.32 1.36 1.80 1.53 1.36 1.35 1.07 2.06 1.62 1.39 1.15 IN. 1.41 1.47 1.57 2.08 1.65 1.57 1.51 1.24 2.30 1.87 1.60 1.28 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1974 - 1992, BY WATER YEAR (WY) MEAN 63.6 68.4 83.5 110 118 120 91.6 80.2 68.8 61.0 85.5 72.1 MAX 202 122 142 186 185 247 198 165 122 154 290 204 (WY) 1991 1991 1990 1978 1991 1980 1980 1984 1992 1975 1991 1991 MIN 20.4 23.7 47.2 54.0 64.2 44.4 30.3 23.7 23.7 20.1 23.6 17.8 (WY) 1989 1982 1985 1985 1988 1985 1985 1985 1986 1981 1983 1981 SUMMARY STATISTICS FOR 1991 CALENDAR YEAR FOR 1992 WATER YEAR WATER YEARS 1974 - 1992 ANNUAL TOTAL 31140 ANNUAL MEAN 85.1 86.8 HIGHEST ANNUAL MEAN 145 1991 LOWEST ANNUAL MEAN 57.0 1981 HIGHEST DAILY MEAN 294 Jun 9 743 Oct 23 1990 LOWEST DAILY MEAN 37 Oct 19 13 Jul 19 1986 ANNUAL SEVEN-DAY MINIMUM 58 Oct 18 15 Oct 3 1981 MAXIMUM PEAK FLOW 398 Jun 9 913 Oct 23 1990 MAXIMUM PEAK STAGE 3.63 Jun 9 4.53 Oct 23 1990 ANNUAL RUNOFF (CFSM) 1.43 1.46 ANNUAL RUNOFF (INCHES) 19.53 19.89 10 PERCENT EXCEEDS 120 152 50 PERCENT EXCEEDS 75 74 90 PERCENT EXCEEDS 62 28 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197400 LOWER THREE RUNS NEAR SNELLING, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331035 LONGITUDE 0812850 NAD27 DRAINAGE AREA 59.3* CONTRIBUTING DRAINAGE AREA DATUM 117 NGVD29 Date Processed: 2004-08-20 15:20 By mishealy APPROVED DD #14, ,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 62 72 83 80 89 177 257 65 62 75 63 73 2 62 74 76 78 87 138 249 65 84 93 62 65 3 62 81 74 78 88 150 172 65 90 89 65 32 4 120 78 73 78 88 222 151 69 69 85 65 29 5 102 79 75 82 89 156 174 94 65 82 63 105 6 79 80 72 103 123 205 167 73 63 80 62 65 7 72 79 79 122 120 196 130 69 64 79 65 143 8 89 79 79 355 163 135 127 67 63 79 65 186 9 294 78 77 349 160 129 203 67 62 64 65 171 10 241 75 96 265 182 125 210 67 61 60 65 156 11 248 74 87 256 182 123 92 66 71 60 71 82 12 225 97 78 317 178 122 84 66 84 59 70 78 13 121 124 74 307 108 184 82 69 87 59 69 77 14 78 85 70 253 98 166 80 80 91 58 71 76 15 76 76 70 220 94 142 124 70 72 58 77 76 16 74 74 71 113 111 134 133 66 68 58 70 75 17 73 72 75 95 124 140 133 65 66 59 69 74 18 73 72 82 92 102 137 94 65 65 60 68 80 19 73 71 78 90 99 130 72 66 63 69 68 78 20 72 70 77 89 98 127 71 72 63 82 69 76 21 72 100 78 153 98 125 71 68 63 67 68 140 22 72 265 81 194 131 125 69 65 62 63 83 147 23 70 145 80 173 112 153 70 65 61 66 87 89 24 70 172 78 176 101 206 70 64 61 79 76 83 25 69 175 76 195 99 173 69 64 60 70 73 61 26 69 397 77 173 127 236 69 64 61 70 75 34 27 69 204 82 153 116 326 68 64 61 70 74 33 28 68 171 100 95 162 214 66 63 81 67 73 68 29 70 117 92 92 --- 187 66 63 82 66 73 73 30 71 86 83 90 --- 178 66 62 77 65 71 73 31 72 --- 82 90 --- 220 --- 63 --- 63 71 --- TOTAL 3068 3422 2455 5006 3329 5181 3489 2091 2082 2154 2166 2598 MEAN 99.0 114 79.2 161 119 167 116 67.5 69.4 69.5 69.9 86.6 MAX 294 397 100 355 182 326 257 94 91 93 87 186 MIN 62 70 70 78 87 122 66 62 60 58 62 29 CFSM 1.67 1.92 1.34 2.72 2.00 2.82 1.96 1.14 1.17 1.17 1.18 1.46 IN. 1.92 2.15 1.54 3.14 2.09 3.25 2.19 1.31 1.31 1.35 1.36 1.63 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1974 - 1993, BY WATER YEAR (WY) MEAN 65.5 70.8 83.3 113 118 123 92.8 79.6 68.8 61.4 84.7 72.8 MAX 202 122 142 186 185 247 198 165 122 154 290 204 (WY) 1991 1991 1990 1978 1991 1980 1980 1984 1992 1975 1991 1991 MIN 20.4 23.7 47.2 54.0 64.2 44.4 30.3 23.7 23.7 20.1 23.6 17.8 (WY) 1989 1982 1985 1985 1988 1985 1985 1985 1986 1981 1983 1981 SUMMARY STATISTICS FOR 1992 CALENDAR YEAR FOR 1993 WATER YEAR WATER YEARS 1974 - 1993 ANNUAL TOTAL 37041 ANNUAL MEAN 101 87.6 HIGHEST ANNUAL MEAN 145 1991 LOWEST ANNUAL MEAN 57.0 1981 HIGHEST DAILY MEAN 397 Nov 26 743 Oct 23 1990 LOWEST DAILY MEAN 29 Sep 4 13 Jul 19 1986 ANNUAL SEVEN-DAY MINIMUM 59 Jul 11 15 Oct 3 1981 MAXIMUM PEAK FLOW 515 Nov 26 913 Oct 23 1990 MAXIMUM PEAK STAGE 4.00 Nov 26 4.53 Oct 23 1990 ANNUAL RUNOFF (CFSM) 1.71 1.48 ANNUAL RUNOFF (INCHES) 23.24 20.08 10 PERCENT EXCEEDS 177 153 50 PERCENT EXCEEDS 78 74 90 PERCENT EXCEEDS 63 29 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197400 LOWER THREE RUNS NEAR SNELLING, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331035 LONGITUDE 0812850 NAD27 DRAINAGE AREA 59.3* CONTRIBUTING DRAINAGE AREA DATUM 117 NGVD29 Date Processed: 2004-08-20 15:20 By mishealy APPROVED DD #14, ,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 74 132 139 106 118 117 95 75 70 31 71 29 2 74 129 139 135 113 307 96 74 75 51 71 38 3 74 129 137 113 112 222 92 74 76 69 73 45 4 74 125 134 127 112 191 90 77 74 61 77 34 5 74 77 136 110 123 171 89 78 74 77 37 30 6 74 62 128 86 144 170 92 77 72 81 32 29 7 75 44 115 82 116 171 109 74 74 76 32 30 8 66 40 44 85 115 171 92 73 75 84 30 30 9 34 39 38 45 117 140 91 72 73 76 29 32 10 32 39 39 35 124 132 90 72 74 70 28 31 11 31 39 45 34 136 123 87 72 72 69 28 58 12 31 38 38 65 125 100 86 72 73 68 28 81 13 30 42 36 51 116 97 97 70 79 87 31 48 14 30 111 49 39 111 120 89 69 73 79 34 30 15 36 134 113 36 50 101 84 70 71 72 31 29 16 88 136 121 34 43 94 83 86 73 69 64 29 17 106 138 119 40 42 90 82 78 74 67 86 31 18 101 139 119 122 41 90 81 73 76 67 39 35 19 43 75 116 122 40 88 80 73 72 69 54 39 20 34 42 103 118 39 90 78 70 69 71 80 32 21 33 39 121 110 39 88 77 70 67 84 88 30 22 32 38 105 107 38 87 82 70 66 79 103 29 23 64 41 56 52 38 85 87 70 67 99 38 29 24 105 104 48 39 92 89 81 69 66 79 33 64 25 106 127 39 37 122 266 79 68 69 73 31 50 26 118 130 36 37 107 138 77 68 70 71 30 36 27 121 189 35 37 109 106 76 69 112 75 29 33 28 114 213 34 84 109 102 76 70 132 109 28 31 29 113 149 67 127 --- 188 75 69 77 103 28 30 30 215 141 106 141 --- 189 75 69 41 87 28 29 31 179 --- 105 134 --- 105 --- 70 --- 81 27 --- TOTAL 2381 2881 2660 2490 2591 4228 2568 2241 2236 2334 1418 1101 MEAN 76.8 96.0 85.8 80.3 92.5 136 85.6 72.3 74.5 75.3 45.7 36.7 MAX 215 213 139 141 144 307 109 86 132 109 103 81 MIN 30 38 34 34 38 85 75 68 41 31 27 29 CFSM 1.30 1.62 1.45 1.35 1.56 2.30 1.44 1.22 1.26 1.27 0.77 0.62 IN. 1.49 1.81 1.67 1.56 1.63 2.65 1.61 1.41 1.40 1.46 0.89 0.69 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1974 - 1994, BY WATER YEAR (WY) MEAN 66.1 72.0 83.4 111 117 123 92.5 79.2 69.1 62.1 82.9 71.1 MAX 202 122 142 186 185 247 198 165 122 154 290 204 (WY) 1991 1991 1990 1978 1991 1980 1980 1984 1992 1975 1991 1991 MIN 20.4 23.7 47.2 54.0 64.2 44.4 30.3 23.7 23.7 20.1 23.6 17.8 (WY) 1989 1982 1985 1985 1988 1985 1985 1985 1986 1981 1983 1981 SUMMARY STATISTICS FOR 1993 CALENDAR YEAR FOR 1994 WATER YEAR WATER YEARS 1974 - 1994 ANNUAL TOTAL 29129 ANNUAL MEAN 79.8 87.2 HIGHEST ANNUAL MEAN 145 1991 LOWEST ANNUAL MEAN 57.0 1981 HIGHEST DAILY MEAN 307 Mar 2 743 Oct 23 1990 LOWEST DAILY MEAN 27 Aug 31 13 Jul 19 1986 ANNUAL SEVEN-DAY MINIMUM 28 Aug 26 15 Oct 3 1981 MAXIMUM PEAK FLOW 358 Mar 2 913 Oct 23 1990 MAXIMUM PEAK STAGE 3.45 Mar 2 4.53 Oct 23 1990 ANNUAL RUNOFF (CFSM) 1.35 1.47 ANNUAL RUNOFF (INCHES) 18.27 19.98 10 PERCENT EXCEEDS 129 152 50 PERCENT EXCEEDS 74 74 90 PERCENT EXCEEDS 32 29 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197400 LOWER THREE RUNS NEAR SNELLING, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331035 LONGITUDE 0812850 NAD27 DRAINAGE AREA 59.3* CONTRIBUTING DRAINAGE AREA DATUM 117 NGVD29 Date Processed: 2004-08-20 15:20 By mishealy APPROVED DD #14, ,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 28 53 55 45 55 138 50 37 33 59 41 75 2 40 45 48 45 53 113 50 37 59 57 41 77 3 139 42 46 44 52 69 50 38 70 67 75 69 4 111 41 47 44 66 63 48 36 55 80 74 61 5 45 41 86 43 55 60 48 36 129 56 60 57 6 37 40 56 44 51 61 55 35 262 51 50 55 7 34 41 48 281 50 60 58 34 112 62 46 53 8 34 41 46 136 52 63 53 33 94 50 71 51 9 36 42 44 71 47 64 49 32 80 47 68 49 10 72 42 44 64 55 55 48 32 96 44 56 46 11 61 59 76 60 91 53 49 32 92 40 51 45 12 91 56 56 57 82 52 48 31 80 40 48 45 13 290 47 47 56 60 52 60 30 85 37 45 44 14 145 45 45 118 54 51 53 32 75 35 43 45 15 65 43 45 230 55 51 48 37 66 35 39 47 16 53 45 44 132 98 51 45 33 61 34 38 45 17 47 48 46 82 89 54 43 32 56 43 36 43 18 45 44 45 69 184 55 40 30 52 38 37 41 19 44 42 44 66 195 51 40 39 48 35 76 38 20 43 41 43 69 92 51 42 51 46 36 43 36 21 43 62 42 61 74 53 41 37 44 32 47 35 22 62 65 124 58 66 53 41 34 43 30 43 35 23 95 46 167 81 62 51 42 32 41 36 40 35 24 60 42 126 90 60 52 43 30 40 71 44 128 25 49 41 65 63 57 51 44 29 41 55 67 158 26 45 44 56 59 55 51 42 28 39 56 387 83 27 43 76 51 56 55 49 41 27 37 53 212 79 28 43 64 48 71 58 52 40 25 60 54 119 68 29 43 90 47 86 --- 52 40 25 67 64 102 63 30 43 85 46 64 --- 51 38 27 63 51 88 58 31 43 --- 46 57 --- 50 --- 28 --- 45 80 --- TOTAL 2029 1513 1829 2502 2023 1832 1389 1019 2126 1493 2267 1764 MEAN 65.5 50.4 59.0 80.7 72.2 59.1 46.3 32.9 70.9 48.2 73.1 58.8 MAX 290 90 167 281 195 138 60 51 262 80 387 158 MIN 28 40 42 43 47 49 38 25 33 30 36 35 CFSM 1.10 0.85 0.99 1.36 1.22 1.00 0.78 0.55 1.20 0.81 1.23 0.99 IN. 1.27 0.95 1.15 1.57 1.27 1.15 0.87 0.64 1.33 0.94 1.42 1.11 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1974 - 1995, BY WATER YEAR (WY) MEAN 66.1 71.0 82.2 109 115 120 90.4 77.1 69.2 61.4 82.4 70.5 MAX 202 122 142 186 185 247 198 165 122 154 290 204 (WY) 1991 1991 1990 1978 1991 1980 1980 1984 1992 1975 1991 1991 MIN 20.4 23.7 47.2 54.0 64.2 44.4 30.3 23.7 23.7 20.1 23.6 17.8 (WY) 1989 1982 1985 1985 1988 1985 1985 1985 1986 1981 1983 1981 SUMMARY STATISTICS FOR 1994 CALENDAR YEAR FOR 1995 WATER YEAR WATER YEARS 1974 - 1995 ANNUAL TOTAL 21786 ANNUAL MEAN 59.7 85.8 HIGHEST ANNUAL MEAN 145 1991 LOWEST ANNUAL MEAN 57.0 1981 HIGHEST DAILY MEAN 387 Aug 26 743 Oct 23 1990 LOWEST DAILY MEAN 25 May 28 13 Jul 19 1986 ANNUAL SEVEN-DAY MINIMUM 27 May 25 15 Oct 3 1981 MAXIMUM PEAK FLOW 515 Aug 26 913 Oct 23 1990 MAXIMUM PEAK STAGE 3.81 Aug 26 4.53 Oct 23 1990 ANNUAL RUNOFF (CFSM) 1.01 1.45 ANNUAL RUNOFF (INCHES) 13.67 19.67 10 PERCENT EXCEEDS 88 150 50 PERCENT EXCEEDS 50 73 90 PERCENT EXCEEDS 36 30 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197400 LOWER THREE RUNS NEAR SNELLING, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331035 LONGITUDE 0812850 NAD27 DRAINAGE AREA 59.3* CONTRIBUTING DRAINAGE AREA DATUM 117 NGVD29 Date Processed: 2004-08-20 15:20 By mishealy APPROVED DD #14, ,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 56 53 53 101 83 73 121 68 43 27 64 33 2 53 51 52 95 83 68 103 56 40 26 150 32 3 50 53 52 85 124 63 90 52 38 26 67 31 4 57 57 51 79 90 60 85 49 36 26 68 38 5 108 50 51 73 80 58 82 47 35 101 74 137 6 79 47 51 71 76 78 83 45 34 278 61 80 7 51 69 123 80 75 125 91 43 32 66 51 66 8 48 121 108 83 73 115 83 43 32 52 46 61 9 45 72 97 72 72 82 77 43 40 42 42 57 10 44 61 104 69 70 72 70 41 36 35 44 54 11 43 66 81 66 68 68 67 39 35 32 42 68 12 42 90 74 72 68 63 65 37 34 31 59 60 13 42 73 71 70 65 59 63 36 51 30 72 54 14 46 68 69 66 63 58 62 34 42 28 198 49 15 60 64 69 64 61 59 60 32 41 32 71 45 16 47 59 68 63 61 82 61 32 43 33 57 43 17 44 58 66 62 60 124 58 31 36 32 49 47 18 42 56 64 67 59 147 55 30 35 37 46 44 19 40 55 149 81 57 104 54 29 33 33 43 39 20 38 55 147 73 69 94 55 28 32 30 40 36 21 38 55 93 67 68 86 60 27 30 35 37 35 22 35 54 84 65 63 79 57 26 29 32 35 54 23 34 52 80 63 62 74 54 25 27 31 36 39 24 34 53 76 71 61 72 54 25 26 28 46 36 25 34 63 72 76 58 69 51 80 25 34 41 34 26 34 57 71 66 56 68 48 52 24 43 39 32 27 35 54 68 123 56 77 49 65 23 30 37 31 28 98 54 66 116 84 180 48 77 30 30 36 30 29 61 56 64 83 110 140 46 68 29 30 36 32 30 49 55 62 79 --- 106 83 55 28 26 34 47 31 48 --- 63 83 --- 102 --- 49 --- 26 33 --- TOTAL 1535 1831 2399 2384 2075 2705 2035 1364 1019 1342 1754 1444 MEAN 49.5 61.0 77.4 76.9 71.6 87.3 67.8 44.0 34.0 43.3 56.6 48.1 MAX 108 121 149 123 124 180 121 80 51 278 198 137 MIN 34 47 51 62 56 58 46 25 23 26 33 30 CFSM 0.84 1.03 1.31 1.30 1.21 1.47 1.14 0.74 0.57 0.73 0.95 0.81 IN. 0.96 1.15 1.50 1.50 1.30 1.70 1.28 0.86 0.64 0.84 1.10 0.91 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1974 - 1996, BY WATER YEAR (WY) MEAN 65.3 70.6 82.0 108 113 119 89.4 75.7 67.6 60.7 81.3 69.6 MAX 202 122 142 186 185 247 198 165 122 154 290 204 (WY) 1991 1991 1990 1978 1991 1980 1980 1984 1992 1975 1991 1991 MIN 20.4 23.7 47.2 54.0 64.2 44.4 30.3 23.7 23.7 20.1 23.6 17.8 (WY) 1989 1982 1985 1985 1988 1985 1985 1985 1986 1981 1983 1981 SUMMARY STATISTICS FOR 1995 CALENDAR YEAR FOR 1996 WATER YEAR WATER YEARS 1974 - 1996 ANNUAL TOTAL 21887 ANNUAL MEAN 59.8 84.6 HIGHEST ANNUAL MEAN 145 1991 LOWEST ANNUAL MEAN 57.0 1981 HIGHEST DAILY MEAN 278 Jul 6 743 Oct 23 1990 LOWEST DAILY MEAN 23 Jun 27 13 Jul 19 1986 ANNUAL SEVEN-DAY MINIMUM 26 Jun 21 15 Oct 3 1981 MAXIMUM PEAK FLOW 482 Jul 6 913 Oct 23 1990 MAXIMUM PEAK STAGE 3.72 Jul 6 4.53 Oct 23 1990 ANNUAL RUNOFF (CFSM) 1.01 1.43 ANNUAL RUNOFF (INCHES) 13.73 19.38 10 PERCENT EXCEEDS 90 148 50 PERCENT EXCEEDS 56 72 90 PERCENT EXCEEDS 32 30 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197400 LOWER THREE RUNS NEAR SNELLING, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331035 LONGITUDE 0812850 NAD27 DRAINAGE AREA 59.3* CONTRIBUTING DRAINAGE AREA DATUM 117 NGVD29 Date Processed: 2004-08-20 15:20 By mishealy APPROVED DD #14, ,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 59 29 51 --- --- --- --- --- 48 50 59 25 2 50 39 69 --- --- --- --- --- 33 47 47 24 3 48 39 44 --- --- --- --- --- 29 41 41 24 4 42 32 40 --- --- --- --- --- 27 37 39 39 5 37 31 39 --- --- --- --- --- 25 37 36 29 6 35 31 --- --- --- --- --- --- 55 44 36 25 7 34 31 --- --- --- --- --- --- 49 37 33 24 8 221 61 --- --- --- --- --- 46 36 42 31 23 9 94 74 --- --- --- --- --- 44 31 45 29 22 10 51 45 --- --- --- --- --- 42 27 270 36 23 11 43 40 --- --- --- --- --- 39 32 96 35 39 12 40 37 --- --- --- --- --- 38 44 73 28 31 13 37 35 --- --- --- --- --- 45 41 63 25 28 14 36 34 --- --- --- --- --- 39 49 54 24 26 15 35 34 --- --- --- --- --- 35 51 48 24 25 16 34 33 --- --- --- --- --- 33 40 60 22 25 17 33 32 --- --- --- --- --- 30 37 119 20 25 18 33 31 --- --- --- --- --- 28 52 64 21 25 19 33 36 --- --- --- --- --- 27 49 52 23 24 20 32 34 --- --- --- --- --- 26 42 46 22 23 21 31 33 --- --- --- --- --- 25 38 41 26 23 22 29 33 --- --- --- --- --- 23 36 37 23 22 23 29 32 --- --- --- --- --- 21 31 35 20 23 24 29 31 --- --- --- --- --- 21 30 60 19 26 25 29 31 --- --- --- --- --- 24 27 73 17 57 26 28 33 --- --- --- --- --- 27 29 57 18 120 27 28 32 --- --- --- --- --- 33 26 71 26 69 28 28 31 --- --- --- --- --- 30 191 61 26 90 29 29 30 --- --- --- --- --- 26 82 53 25 57 30 29 30 --- --- --- --- --- 25 58 48 25 40 31 29 --- --- --- --- --- --- 26 --- 58 28 --- TOTAL 1345 1074 --- --- --- --- --- --- 1345 1919 884 1056 MEAN 43.4 35.8 --- --- --- --- --- --- 44.8 61.9 28.5 35.2 MAX 221 74 --- --- --- --- --- --- 191 270 59 120 MIN 28 29 --- --- --- --- --- --- 25 35 17 22 CFSM 0.73 0.60 --- --- --- --- --- --- 0.76 1.04 0.48 0.59 IN. 0.84 0.67 --- --- --- --- --- --- 0.84 1.20 0.55 0.66 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1974 - 1997, BY WATER YEAR (WY) MEAN 64.3 69.0 82.0 108 113 119 89.4 75.7 66.7 60.7 79.1 68.1 MAX 202 122 142 186 185 247 198 165 122 154 290 204 (WY) 1991 1991 1990 1978 1991 1980 1980 1984 1992 1975 1991 1991 MIN 20.4 23.7 47.2 54.0 64.2 44.4 30.3 23.7 23.7 20.1 23.6 17.8 (WY) 1989 1982 1985 1985 1988 1985 1985 1985 1986 1981 1983 1981 SUMMARY STATISTICS WATER YEARS 1974 - 1997 ANNUAL MEAN 84.6 HIGHEST ANNUAL MEAN 145 1991 LOWEST ANNUAL MEAN 57.0 1981 HIGHEST DAILY MEAN 743 Oct 23 1990 LOWEST DAILY MEAN 13 Jul 19 1986 ANNUAL SEVEN-DAY MINIMUM 15 Oct 3 1981 MAXIMUM PEAK FLOW 913 Oct 23 1990 MAXIMUM PEAK STAGE 4.53 Oct 23 1990 ANNUAL RUNOFF (CFSM) 1.43 ANNUAL RUNOFF (INCHES) 19.38 10 PERCENT EXCEEDS 147 50 PERCENT EXCEEDS 71 90 PERCENT EXCEEDS 29 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197400 LOWER THREE RUNS NEAR SNELLING, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331035 LONGITUDE 0812850 NAD27 DRAINAGE AREA 59.3* CONTRIBUTING DRAINAGE AREA DATUM 117 NGVD29 Date Processed: 2004-08-20 15:20 By mishealy APPROVED DD #14, ,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 34 131 106 130 162 188 250 175 65 36 29 49 2 30 118 84 124 158 178 324 98 63 34 26 38 3 28 90 77 123 214 173 436 98 60 34 24 152 4 27 76 76 122 429 166 567 147 57 32 22 208 5 26 70 75 121 389 464 373 101 66 32 21 105 6 24 68 70 122 304 718 356 90 69 32 21 91 7 23 67 66 124 275 641 398 95 64 30 20 85 8 23 66 64 144 256 720 354 153 58 30 39 79 9 22 64 156 135 244 659 177 123 60 33 67 78 10 22 62 177 121 229 292 113 113 173 33 53 70 11 22 61 141 116 221 243 99 136 125 31 37 65 12 22 63 154 113 214 224 86 117 91 31 42 61 13 21 157 127 117 200 212 94 110 81 29 64 58 14 23 141 124 121 191 207 192 107 74 27 50 54 15 59 103 133 150 183 202 243 103 69 35 67 52 16 76 87 112 199 184 197 182 99 65 57 44 50 17 54 80 105 146 331 189 80 97 64 72 63 49 18 45 77 101 129 237 192 201 95 59 56 43 51 19 101 75 97 172 202 297 120 92 61 41 40 63 20 74 73 95 160 192 235 93 88 72 37 53 59 21 54 75 92 138 182 206 80 85 61 34 36 58 22 54 92 153 141 194 194 95 82 56 32 32 68 23 61 85 169 336 264 189 88 78 53 32 30 56 24 52 78 225 243 217 184 78 76 49 40 30 50 25 53 73 263 182 190 181 71 74 46 33 28 45 26 92 72 160 165 180 252 65 71 44 31 28 43 27 190 70 204 270 211 260 62 67 46 32 26 42 28 81 68 178 267 204 254 60 65 48 35 25 42 29 63 67 151 193 --- 249 59 70 42 30 24 43 30 57 141 144 176 --- 247 78 68 39 27 23 61 31 57 --- 136 169 --- 246 --- 68 --- 27 23 --- TOTAL 1570 2550 4015 4969 6457 8859 5474 3041 1980 1095 1130 2025 MEAN 50.6 85.0 130 160 231 286 182 98.1 66.0 35.3 36.5 67.5 MAX 190 157 263 336 429 720 567 175 173 72 67 208 MIN 21 61 64 113 158 166 59 65 39 27 20 38 CFSM 0.85 1.43 2.18 2.70 3.89 4.82 3.08 1.65 1.11 0.60 0.61 1.14 IN. 0.98 1.60 2.52 3.12 4.05 5.56 3.43 1.91 1.24 0.69 0.71 1.27 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1974 - 1998, BY WATER YEAR (WY) MEAN 63.7 69.7 84.1 110 118 126 93.3 76.6 66.7 59.7 77.4 68.1 MAX 202 122 142 186 231 286 198 165 122 154 290 204 (WY) 1991 1991 1990 1978 1998 1998 1980 1984 1992 1975 1991 1991 MIN 20.4 23.7 47.2 54.0 64.2 44.4 30.3 23.7 23.7 20.1 23.6 17.8 (WY) 1989 1982 1985 1985 1988 1985 1985 1985 1986 1981 1983 1981 SUMMARY STATISTICS FOR 1998 WATER YEAR WATER YEARS 1974 - 1998 ANNUAL TOTAL 43165 ANNUAL MEAN 118 86.1 HIGHEST ANNUAL MEAN 145 1991 LOWEST ANNUAL MEAN 57.0 1981 HIGHEST DAILY MEAN 720 Mar 8 743 Oct 23 1990 LOWEST DAILY MEAN 20 Aug 7 13 Jul 19 1986 ANNUAL SEVEN-DAY MINIMUM 22 Oct 7 15 Oct 3 1981 MAXIMUM PEAK FLOW 907 Mar 8 913 Oct 23 1990 MAXIMUM PEAK STAGE 4.52 Mar 8 4.53 Oct 23 1990 ANNUAL RUNOFF (CFSM) 1.99 1.45 ANNUAL RUNOFF (INCHES) 27.08 19.73 10 PERCENT EXCEEDS 239 151 50 PERCENT EXCEEDS 80 71 90 PERCENT EXCEEDS 31 29 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197400 LOWER THREE RUNS NEAR SNELLING, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331035 LONGITUDE 0812850 NAD27 DRAINAGE AREA 59.3* CONTRIBUTING DRAINAGE AREA DATUM 117 NGVD29 Date Processed: 2004-08-20 15:20 By mishealy APPROVED DD #14, ,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 66 29 37 44 140 53 92 117 17 33 18 15 2 54 30 37 43 180 48 74 64 16 27 18 15 3 47 30 37 92 127 47 63 49 16 23 17 15 4 50 32 37 63 119 48 59 44 36 21 17 15 5 68 33 37 52 113 44 57 43 131 19 16 14 6 53 33 37 47 105 44 53 51 152 27 16 14 7 50 33 37 47 100 43 52 54 155 63 16 15 8 56 32 37 46 95 e42 58 46 147 73 16 17 9 54 32 37 46 91 e43 104 41 20 67 16 17 10 47 33 37 47 91 e46 72 38 15 63 16 25 11 44 33 e35 44 90 e44 63 38 14 79 16 26 12 42 33 e35 43 85 e45 58 36 15 122 15 26 13 41 33 e35 43 82 e45 51 36 13 145 15 26 14 40 33 e38 43 76 e47 48 37 13 112 15 26 15 38 35 39 100 73 e52 56 35 29 114 16 28 16 37 40 54 70 70 e56 78 33 49 200 18 31 17 36 53 42 60 69 54 53 30 179 212 20 28 18 35 43 39 95 75 52 46 29 37 189 17 28 19 34 41 37 92 72 49 44 30 25 188 16 29 20 34 41 37 71 67 46 42 28 22 118 27 32 21 34 42 36 66 65 49 40 26 22 86 21 34 22 33 40 36 64 62 49 37 25 20 82 19 31 23 32 39 36 90 59 46 35 26 19 81 18 29 24 31 39 35 246 57 45 34 26 18 32 20 29 25 30 39 60 142 55 56 33 24 21 23 26 30 26 30 40 74 115 54 126 33 22 22 21 20 30 27 29 39 64 106 53 87 32 23 23 20 19 41 28 29 38 52 102 54 68 36 21 34 22 18 72 29 29 37 49 97 --- 61 39 20 54 19 17 64 30 29 37 48 93 --- 58 69 19 74 24 16 40 31 29 --- 45 95 --- 56 --- 18 --- 19 15 --- TOTAL 1261 1092 1296 2404 2379 1649 1611 1129 1408 2324 550 842 MEAN 40.7 36.4 41.8 77.5 85.0 53.2 53.7 36.4 46.9 75.0 17.7 28.1 MAX 68 53 74 246 180 126 104 117 179 212 27 72 MIN 29 29 35 43 53 42 32 18 13 19 15 14 CFSM 0.69 0.61 0.70 1.31 1.43 0.90 0.91 0.61 0.79 1.26 0.30 0.47 IN. 0.79 0.69 0.81 1.51 1.49 1.03 1.01 0.71 0.88 1.46 0.35 0.53 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1974 - 1999, BY WATER YEAR (WY) MEAN 62.7 68.4 82.3 109 116 123 91.7 75.0 65.9 60.3 75.1 66.6 MAX 202 122 142 186 231 286 198 165 122 154 290 204 (WY) 1991 1991 1990 1978 1998 1998 1980 1984 1992 1975 1991 1991 MIN 20.4 23.7 41.8 54.0 64.2 44.4 30.3 23.7 23.7 20.1 17.7 17.8 (WY) 1989 1982 1999 1985 1988 1985 1985 1985 1986 1981 1999 1981 SUMMARY STATISTICS FOR 1998 CALENDAR YEAR FOR 1999 WATER YEAR WATER YEARS 1974 - 1999 ANNUAL TOTAL 17945 ANNUAL MEAN 49.2 84.5 HIGHEST ANNUAL MEAN 145 1991 LOWEST ANNUAL MEAN 49.2 1999 HIGHEST DAILY MEAN 246 Jan 24 743 Oct 23 1990 LOWEST DAILY MEAN 13 Jun 13 13 Jul 19 1986 ANNUAL SEVEN-DAY MINIMUM 15 Aug 31 15 Aug 31 1999 MAXIMUM PEAK FLOW 292 Jan 24 913 Oct 23 1990 MAXIMUM PEAK STAGE 3.19 Jan 24 4.53 Oct 23 1990 ANNUAL RUNOFF (CFSM) 0.83 1.43 ANNUAL RUNOFF (INCHES) 11.26 19.37 10 PERCENT EXCEEDS 92 150 50 PERCENT EXCEEDS 39 70 90 PERCENT EXCEEDS 18 29 e Estimated 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197400 LOWER THREE RUNS NEAR SNELLING, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331035 LONGITUDE 0812850 NAD27 DRAINAGE AREA 59.3* CONTRIBUTING DRAINAGE AREA DATUM 117 NGVD29 Date Processed: 2004-08-20 15:20 By mishealy APPROVED DD #14, ,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 32 34 100 35 48 34 46 35 25 35 31 30 2 29 42 98 35 42 33 44 34 25 52 42 30 3 28 38 34 35 41 32 43 34 24 33 35 33 4 34 32 25 38 40 38 43 33 24 29 32 34 5 45 32 23 46 38 36 42 32 26 27 30 33 6 34 32 23 38 37 33 43 31 26 25 27 35 7 30 32 22 37 37 31 42 30 24 25 25 35 8 29 32 22 35 37 31 41 29 24 25 25 32 9 28 34 30 35 36 31 42 28 24 24 25 30 10 28 73 80 72 37 31 41 25 24 24 26 29 11 28 59 85 67 35 32 40 27 23 24 25 28 12 34 45 86 64 35 56 39 36 23 23 25 27 13 88 41 87 48 35 e36 39 37 23 23 24 27 14 44 41 95 41 60 e34 39 36 25 23 24 26 15 36 41 86 39 48 e32 58 33 24 22 23 26 16 33 40 44 40 41 e33 55 27 26 21 23 24 17 32 40 40 39 37 62 47 28 25 21 23 25 18 31 40 40 40 36 39 42 28 25 20 25 34 19 35 40 57 40 36 36 39 27 26 20 56 40 20 35 40 51 45 35 163 38 26 26 20 40 39 21 38 40 46 38 34 111 37 26 26 20 32 50 22 37 40 46 35 34 58 36 30 28 20 30 51 23 35 40 42 56 33 76 36 28 38 24 28 689 24 34 39 40 105 33 86 35 27 28 52 27 107 25 34 40 39 117 33 55 36 26 26 38 32 53 26 34 51 38 54 33 50 37 28 25 31 32 67 27 34 48 38 46 34 46 38 37 26 29 29 45 28 34 41 38 41 36 46 36 30 25 27 28 33 29 33 40 39 45 34 46 37 27 30 26 27 29 30 34 45 38 77 --- 51 36 26 38 25 27 27 31 34 --- 36 68 --- 50 --- 26 --- 24 31 --- TOTAL 1094 1232 1568 1551 1095 1528 1227 927 782 832 909 1768 MEAN 35.3 41.1 50.6 50.0 37.8 49.3 40.9 29.9 26.1 26.8 29.3 58.9 MAX 88 73 100 117 60 163 58 37 38 52 56 689 MIN 28 32 22 35 33 31 35 25 23 20 23 24 CFSM 0.60 0.69 0.85 0.84 0.64 0.83 0.69 0.50 0.44 0.45 0.49 0.99 IN. 0.69 0.77 0.98 0.97 0.69 0.96 0.77 0.58 0.49 0.52 0.57 1.11 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1974 - 2000, BY WATER YEAR (WY) MEAN 61.6 67.3 81.0 107 113 120 89.7 73.3 64.4 59.0 73.4 66.3 MAX 202 122 142 186 231 286 198 165 122 154 290 204 (WY) 1991 1991 1990 1978 1998 1998 1980 1984 1992 1975 1991 1991 MIN 20.4 23.7 41.8 50.0 37.8 44.4 30.3 23.7 23.7 20.1 17.7 17.8 (WY) 1989 1982 1999 2000 2000 1985 1985 1985 1986 1981 1999 1981 SUMMARY STATISTICS FOR 1999 CALENDAR YEAR FOR 2000 WATER YEAR WATER YEARS 1974 - 2000 ANNUAL TOTAL 14513 ANNUAL MEAN 39.7 82.6 HIGHEST ANNUAL MEAN 145 1991 LOWEST ANNUAL MEAN 39.7 2000 HIGHEST DAILY MEAN 689 Sep 23 743 Oct 23 1990 LOWEST DAILY MEAN 20 Jul 18 13 Jul 19 1986 ANNUAL SEVEN-DAY MINIMUM 20 Jul 16 15 Aug 31 1999 MAXIMUM PEAK FLOW 1130 Sep 23 1130 Sep 23 2000 MAXIMUM PEAK STAGE 4.85 Sep 23 4.85 Sep 23 2000 ANNUAL RUNOFF (CFSM) 0.67 1.39 ANNUAL RUNOFF (INCHES) 9.10 18.94 10 PERCENT EXCEEDS 53 147 50 PERCENT EXCEEDS 34 68 90 PERCENT EXCEEDS 25 28 e Estimated 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197400 LOWER THREE RUNS NEAR SNELLING, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331035 LONGITUDE 0812850 NAD27 DRAINAGE AREA 59.3* CONTRIBUTING DRAINAGE AREA DATUM 117 NGVD29 Date Processed: 2004-08-20 15:20 By mishealy APPROVED DD #14, ,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 26 25 34 37 40 38 49 29 29 31 23 35 2 27 25 32 36 38 37 44 29 29 29 22 27 3 25 25 32 35 37 67 48 32 27 34 22 27 4 24 25 31 34 38 169 50 32 32 94 22 45 5 24 26 29 34 39 79 45 31 27 44 22 51 6 24 26 29 34 37 56 43 28 26 33 22 35 7 24 27 28 33 35 51 42 27 25 29 22 28 8 23 28 28 49 35 48 40 27 27 28 22 25 9 23 51 28 46 35 47 40 27 28 28 20 28 10 22 29 60 38 39 47 39 27 27 27 17 34 11 21 26 44 35 37 45 37 26 26 26 20 30 12 21 25 39 42 40 48 36 26 44 38 19 34 13 20 25 35 41 41 81 33 29 122 44 19 28 14 20 32 34 36 40 52 33 27 66 33 61 26 15 20 31 34 34 38 121 37 26 39 29 41 25 16 19 26 32 35 36 107 44 25 32 27 29 24 17 18 36 35 39 37 58 57 24 49 26 26 23 18 16 31 33 36 35 51 57 24 33 24 30 23 19 19 63 32 39 34 47 37 23 29 24 40 23 20 22 74 31 106 34 68 34 25 27 25 36 27 21 23 38 31 60 34 77 33 29 28 24 36 36 22 23 31 31 46 73 56 32 26 32 23 28 33 23 24 28 29 42 72 49 32 34 29 23 24 29 24 24 27 29 40 45 46 32 28 27 26 23 32 25 25 83 29 39 54 50 37 25 38 26 22 41 26 25 77 28 37 73 50 38 27 37 33 22 33 27 25 39 28 37 46 44 34 25 33 30 21 30 28 25 32 45 37 41 42 32 24 33 40 21 28 29 25 30 87 36 --- 68 31 78 37 32 20 26 30 25 35 49 41 --- 79 30 52 32 28 22 25 31 25 --- 40 42 --- 55 --- 33 --- 25 23 --- TOTAL 707 1076 1106 1276 1183 1933 1176 925 1070 983 797 911 MEAN 22.8 35.9 35.7 41.2 42.2 62.4 39.2 29.8 35.7 31.7 25.7 30.4 MAX 27 83 87 106 73 169 57 78 122 94 61 51 MIN 16 25 28 33 34 37 30 23 25 23 17 23 CFSM 0.38 0.60 0.60 0.69 0.71 1.05 0.66 0.50 0.60 0.53 0.43 0.51 IN. 0.44 0.67 0.69 0.80 0.74 1.21 0.74 0.58 0.67 0.62 0.50 0.57 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1974 - 2001, BY WATER YEAR (WY) MEAN 60.2 66.2 79.3 104 111 118 87.8 71.7 63.4 58.1 71.7 65.0 MAX 202 122 142 186 231 286 198 165 122 154 290 204 (WY) 1991 1991 1990 1978 1998 1998 1980 1984 1992 1975 1991 1991 MIN 20.4 23.7 35.7 41.2 37.8 44.4 30.3 23.7 23.7 20.1 17.7 17.8 (WY) 1989 1982 2001 2001 2000 1985 1985 1985 1986 1981 1999 1981 SUMMARY STATISTICS FOR 2000 CALENDAR YEAR FOR 2001 WATER YEAR WATER YEARS 1974 - 2001 ANNUAL TOTAL 13143 ANNUAL MEAN 36.0 80.8 HIGHEST ANNUAL MEAN 145 1991 LOWEST ANNUAL MEAN 36.0 2001 HIGHEST DAILY MEAN 169 Mar 4 743 Oct 23 1990 LOWEST DAILY MEAN 16 Oct 18 13 Jul 19 1986 ANNUAL SEVEN-DAY MINIMUM 19 Oct 13 15 Aug 31 1999 MAXIMUM PEAK FLOW 183 Mar 4 1130 Sep 23 2000 MAXIMUM PEAK STAGE 2.69 Mar 4 4.85 Sep 23 2000 ANNUAL RUNOFF (CFSM) 0.61 1.36 ANNUAL RUNOFF (INCHES) 8.24 18.51 10 PERCENT EXCEEDS 51 146 50 PERCENT EXCEEDS 32 66 90 PERCENT EXCEEDS 23 27 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02197400 LOWER THREE RUNS NEAR SNELLING, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331035 LONGITUDE 0812850 NAD27 DRAINAGE AREA 59.3* CONTRIBUTING DRAINAGE AREA DATUM 117 NGVD29 Date Processed: 2004-08-20 15:20 By mishealy APPROVED DD #14, ,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 24 31 35 26 35 28 38 45 24 16 31 39 2 24 31 34 28 34 48 33 34 24 15 26 52 3 24 38 33 48 34 67 31 43 23 19 23 41 4 24 36 33 40 34 44 30 47 23 17 21 32 5 24 35 33 42 33 33 29 49 23 16 21 28 6 24 34 32 49 38 31 29 50 23 17 20 26 7 24 34 32 46 126 29 28 40 26 17 20 25 8 24 34 32 37 68 28 28 33 24 16 19 24 9 24 34 32 39 45 28 28 30 23 16 19 23 10 24 34 32 38 40 30 42 30 23 16 19 23 11 24 34 33 38 37 27 42 30 23 18 19 22 12 24 33 33 40 34 30 34 30 23 31 19 22 13 25 33 33 69 33 47 35 30 23 23 18 22 14 25 33 33 45 33 35 32 39 22 22 19 22 15 27 33 33 41 32 30 30 37 24 20 21 27 16 27 37 32 37 32 28 29 33 23 18 21 33 17 26 35 32 38 31 27 28 29 23 17 21 31 18 26 33 33 35 31 28 27 28 24 16 22 28 19 27 32 33 35 31 49 28 31 22 16 23 34 20 28 32 32 39 31 38 26 31 20 15 24 34 21 29 32 31 36 32 46 25 29 20 22 24 34 22 29 32 31 69 31 45 33 28 20 49 25 31 23 29 33 31 43 31 39 68 27 23 38 24 28 24 29 46 31 40 31 38 37 26 27 29 22 37 25 29 43 31 43 31 37 72 25 32 26 22 34 26 30 41 30 40 39 38 50 24 53 24 37 35 27 30 38 30 39 40 43 48 24 36 25 34 38 28 30 37 30 38 40 38 49 24 26 23 76 31 29 30 35 30 38 --- 37 48 24 18 21 43 26 30 30 35 29 37 --- 40 45 24 17 20 37 24 31 30 --- 27 37 --- 39 --- 24 --- 19 35 --- TOTAL 824 1048 986 1270 1087 1145 1102 998 735 657 805 906 MEAN 26.6 34.9 31.8 41.0 38.8 36.9 36.7 32.2 24.5 21.2 26.0 30.2 MAX 30 46 35 69 126 67 72 50 53 49 76 52 MIN 24 31 27 26 31 27 25 24 17 15 18 22 CFSM 0.45 0.59 0.54 0.69 0.65 0.62 0.62 0.54 0.41 0.36 0.44 0.51 IN. 0.52 0.66 0.62 0.80 0.68 0.72 0.69 0.63 0.46 0.41 0.50 0.57 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1974 - 2002, BY WATER YEAR (WY) MEAN 58.9 65.0 77.5 102 108 115 86.0 70.2 62.1 56.8 70.1 63.8 MAX 202 122 142 186 231 286 198 165 122 154 290 204 (WY) 1991 1991 1990 1978 1998 1998 1980 1984 1992 1975 1991 1991 MIN 20.4 23.7 31.8 41.0 37.8 36.9 30.3 23.7 23.7 20.1 17.7 17.8 (WY) 1989 1982 2002 2002 2000 2002 1985 1985 1986 1981 1999 1981 SUMMARY STATISTICS FOR 2001 CALENDAR YEAR FOR 2002 WATER YEAR WATER YEARS 1974 - 2002 ANNUAL TOTAL 13112 11563 ANNUAL MEAN 35.9 31.7 78.9 HIGHEST ANNUAL MEAN 145 1991 LOWEST ANNUAL MEAN 31.7 2002 HIGHEST DAILY MEAN 169 Mar 4 126 Feb 7 743 Oct 23 1990 LOWEST DAILY MEAN 17 Aug 10 15 Jul 2 13 Jul 19 1986 ANNUAL SEVEN-DAY MINIMUM 20 Aug 7 16 Jul 4 15 Aug 31 1999 MAXIMUM PEAK FLOW 147 Feb 7 1130 Sep 23 2000 MAXIMUM PEAK STAGE 2.44 Feb 7 4.85 Sep 23 2000 ANNUAL RUNOFF (CFSM) 0.61 0.53 1.33 ANNUAL RUNOFF (INCHES) 8.23 7.25 18.08 10 PERCENT EXCEEDS 49 43 147 50 PERCENT EXCEEDS 33 31 66 90 PERCENT EXCEEDS 24 21 27