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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 527.6 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 1942-10-01 -> 2024-09-30)
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
1 173 156 209 251 175 138 78 58 73 110 114 173
2 162 193 197 250 178 148 80 54 64 111 110 156
3 158 195 194 233 175 165 80 65 57 102 130 151
4 157 219 224 231 178 134 79 83 49 81 160 199
5 156 184 232 238 210 164 78 62 87 108 144 182
6 153 184 232 217 194 127 72 57 149 110 122 148
7 155 219 252 214 210 119 69 55 105 121 120 169
8 166 186 228 204 211 108 73 53 105 99 119 165
9 163 158 216 210 192 115 69 58 82 102 102 165
10 153 147 223 222 185 131 61 57 76 82 109 155
11 162 167 233 199 163 115 58 59 63 89 127 174
12 171 162 244 202 162 113 69 80 57 87 179 159
13 153 190 241 248 168 129 66 71 60 87 168 146
14 158 203 233 223 160 111 77 88 59 74 132 149
15 169 174 217 239 155 98 67 70 50 73 128 167
16 159 180 200 304 171 95 81 63 64 62 126 164
17 141 197 214 255 165 108 68 77 108 59 116 149
18 143 185 210 208 175 115 62 153 154 75 108 141
19 168 177 251 198 176 98 56 82 199 93 137 131
20 161 171 230 210 163 97 65 417 102 92 158 132
21 164 194 258 209 155 175 67 101 87 135 131 187
22 169 201 251 216 150 143 63 67 100 89 134 163
23 170 212 240 192 138 112 63 64 105 113 153 173
24 201 214 259 186 133 91 74 75 87 119 122 175
25 251 216 246 203 145 88 80 60 89 102 131 166
26 204 223 233 197 140 86 66 50 74 92 135 178
27 195 201 226 194 151 93 67 44 88 104 128 161
28 212 198 231 208 172 146 64 44 104 100 134 158
29 175 172 252 182 170 134 84 50 106 112 185 171
30 157   250 181 190 89 63 41 156 97 164 169
31 175   239   164   56 49   123   165