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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 01665500 RAPIDAN RIVER NEAR RUCKERSVILLE, VA


Madison County, Virginia
Hydrologic Unit Code 02080103
Latitude  38°16'50", Longitude  78°20'25" NAD27
Drainage area 115  square miles
Gage datum 438.9 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 -> 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
1 191 162 211 251 194 180 82 105 81 158 119 176
2 180 194 195 235 201 169 85 76 69 165 119 152
3 171 204 186 242 194 196 83 83 66 125 143 152
4 166 194 212 225 188 173 88 98 62 99 197 204
5 169 173 237 242 227 195 94 120 57 159 190 180
6 163 184 245 219 222 152 84 101 115 181 135 154
7 159 212 244 219 246 141 72 73 68 121 121 167
8 155 181 214 212 239 123 90 64 91 143 130 164
9 188 161 199 226 202 118 80 95 102 133 111 173
10 176 153 229 232 199 152 72 68 81 104 119 174
11 171 159 225 202 176 141 76 88 67 100 124 205
12 177 169 254 208 175 123 91 94 79 98 183 173
13 166 198 261 252 186 149 82 91 78 124 165 155
14 183 231 247 230 188 136 83 68 65 109 142 171
15 175 183 233 243 179 117 93 124 59 252 132 179
16 165 184 212 311 256 104 95 80 57 163 128 174
17 146 177 229 294 206 124 80 109 86 102 119 163
18 152 181 209 225 232 146 76 233 133 115 111 164
19 143 191 251 201 213 147 67 101 247 108 134 143
20 153 184 260 212 198 124 73 83 114 99 159 140
21 159 181 287 205 190 195 68 88 91 98 141 180
22 159 213 246 225 177 291 64 77 114 90 139 174
23 156 211 255 201 166 158 64 72 128 126 174 171
24 203 215 257 198 152 124 62 80 94 118 136 177
25 259 227 241 195 170 105 64 90 124 127 144 174
26 224 224 227 196 151 93 55 74 131 117 140 185
27 189 200 220 202 149 467 58 61 111 118 138 166
28 190 192 222 212 200 211 59 58 162 107 163 164
29 166 168 254 193 175 181 70 78 166 144 214 181
30 156   239 211 200 121 65 59 227 131 200 199
31 182   232   282   83 72   135   183