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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 -> 2019-09-30)
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
1 173 158 205 256 170 138 78 58 68 113 100 173
2 159 197 195 256 176 149 80 54 60 114 106 157
3 157 197 193 238 175 169 81 66 56 104 130 152
4 156 213 225 237 178 136 80 84 48 83 163 204
5 156 181 234 244 213 169 79 63 89 111 146 182
6 153 181 235 221 197 129 72 57 155 108 123 148
7 156 215 257 217 214 121 67 56 108 120 121 172
8 167 183 232 206 216 109 73 54 108 100 121 168
9 165 156 220 212 196 114 68 59 84 104 103 168
10 154 145 227 227 189 127 58 58 77 83 110 157
11 163 167 238 199 165 114 57 59 63 91 118 177
12 164 161 250 203 163 113 69 80 56 85 143 161
13 150 189 246 217 170 131 67 70 60 87 157 148
14 157 204 238 211 162 112 78 90 59 74 126 148
15 169 173 222 224 156 99 65 63 50 74 123 164
16 160 174 204 303 174 96 77 55 65 62 120 160
17 141 193 218 255 169 109 67 73 112 59 113 145
18 144 182 213 206 179 116 59 157 161 76 106 139
19 171 174 257 193 180 98 55 82 209 96 138 129
20 163 169 236 206 167 97 65 439 106 92 161 131
21 167 195 256 207 158 181 68 99 90 140 131 189
22 172 201 252 217 144 144 64 65 102 92 133 156
23 173 213 242 192 135 109 63 58 103 116 156 165
24 206 216 258 186 129 90 75 73 87 124 123 159
25 247 218 246 204 145 87 82 59 91 104 133 152
26 202 226 235 197 140 86 67 49 75 94 138 172
27 195 202 229 195 144 92 69 43 90 100 130 157
28 214 194 235 200 166 149 65 44 109 101 138 156
29 177 175 258 178 168 137 86 50 110 94 192 171
30 159   257 173 188 90 64 41 163 85 159 168
31 177   244   164   56 42   108   165