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USGS Surface-Water Daily Statistics for Virginia

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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 02028500 ROCKFISH RIVER NEAR GREENFIELD, VA


Nelson County, Virginia
Hydrologic Unit Code 02080203
Latitude  37°52'10", Longitude  78°49'25" NAD27
Drainage area 94.8  square miles
Gage datum 532.29 feet above NGVD29
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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 1942-10-01 -> 2021-09-30)
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
1 173 158 204 254 176 140 78 58 73 112 116 177
2 159 196 194 253 179 150 80 55 64 113 112 160
3 156 196 192 236 177 168 81 66 58 103 133 154
4 156 212 223 234 179 136 80 85 50 83 164 204
5 155 180 232 242 213 168 79 63 90 110 147 187
6 152 183 233 219 197 129 73 57 153 107 124 151
7 155 220 255 215 213 121 68 56 108 118 122 173
8 166 187 230 204 215 109 73 54 107 99 121 169
9 164 159 218 210 195 116 68 59 84 103 104 169
10 154 147 225 224 188 133 59 57 78 82 111 158
11 163 168 237 197 165 117 58 59 63 91 122 177
12 173 162 247 201 163 114 70 82 57 88 172 161
13 154 190 244 250 170 131 67 72 61 88 167 148
14 160 204 236 225 161 112 78 90 60 75 132 151
15 171 174 221 240 156 100 66 71 51 74 127 166
16 161 175 202 309 173 96 77 63 65 63 123 164
17 141 193 217 259 167 110 67 76 111 60 116 150
18 144 182 212 210 177 118 61 157 159 76 108 142
19 171 174 255 200 179 100 55 83 206 95 139 132
20 163 169 234 213 166 99 65 430 105 94 161 134
21 166 194 262 211 157 180 68 99 89 139 131 189
22 171 201 255 219 152 143 64 66 101 92 133 157
23 172 212 244 194 140 110 64 64 102 116 155 165
24 205 215 258 189 131 90 76 76 87 123 124 173
25 256 217 247 205 146 88 82 60 90 104 133 166
26 205 224 235 200 141 86 67 51 75 94 138 179
27 197 201 229 196 144 92 68 45 89 107 130 162
28 215 193 234 201 168 149 64 45 107 103 137 159
29 178 172 256 179 169 136 85 51 109 109 190 173
30 159   255 180 191 90 64 41 161 96 168 168
31 177   242   165   57 50   125   164