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USGS Daily Statistics for the Nation

The statistics generated from this site are based on approved daily-mean data and may not match those published by the USGS in official publications. The user is responsible for assessment and use of statistics from this site. For more details on why the statistics may not match, click here.

USGS 02147500 ROCKY CREEK AT GREAT FALLS, SC


Chester County, South Carolina
Hydrologic Unit Code 03050103
Latitude  34°33'55", Longitude  80°55'12" NAD27
Drainage area 194  square miles
Gage datum 294.13 feet above NAVD88
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00060, Discharge, cubic feet per second,
Day of
month		 Mean of daily mean values for each day for water year of record in, ft3/s   (Calculation Period 1950-10-01 -> 2025-09-30)

Calculation period restricted by USGS staff due to special conditions at/near site
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
1 229 192 397 479 150 59 55 89 106 191 68 98
2 214 286 449 253 137 96 64 98 44 302 92 96
3 202 344 450 188 156 111 53 76 62 62 113 88
4 236 320 611 169 147 55 39 48 129 120 53 67
5 192 335 375 271 138 59 64 48 87 265 53 74
6 190 326 357 295 172 71 53 73 81 119 63 91
7 297 450 419 249 174 70 43 70 121 48 57 113
8 260 361 336 335 133 97 70 108 160 87 50 99
9 299 234 320 428 166 150 71 136 87 150 67 142
10 366 220 253 275 111 94 161 53 58 94 129 136
11 398 286 242 215 118 66 106 50 50 111 98 145
12 344 320 320 199 135 54 98 71 53 102 134 172
13 316 299 448 220 137 82 61 80 86 131 155 160
14 290 357 378 229 116 90 83 77 60 58 97 200
15 235 287 334 225 99 64 69 131 47 68 115 199
16 254 294 367 310 136 82 92 103 50 161 121 227
17 246 331 361 191 84 65 81 79 119 134 79 132
18 236 299 288 172 70 62 107 96 71 47 102 130
19 284 381 240 294 111 52 58 95 72 44 156 124
20 338 270 318 205 120 69 54 70 61 54 104 102
21 293 286 357 147 87 153 85 63 36 45 61 153
22 331 321 318 151 79 117 68 64 46 49 119 190
23 328 353 192 120 112 115 54 282 58 90 155 240
24 318 319 307 131 87 62 181 387 40 68 111 262
25 480 330 319 110 73 59 76 141 39 45 129 253
26 414 272 267 125 60 57 48 56 78 216 148 250
27 250 250 263 120 56 53 41 68 144 84 126 254
28 302 353 257 130 66 53 71 87 94 52 113 172
29 251 161 304 141 78 46 76 45 73 43 113 232
30 214   359 176 73 51 53 97 172 48 101 214
31 255   349   64   65 126   107   277