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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 11463980 RUSSIAN R A DIGGER BEND NR HEALDSBURG CA


Sonoma County, California
Hydrologic Unit Code 18010110
Latitude  38°37'59", Longitude 122°51'16" NAD27
Drainage area 791  square miles
Gage datum 85.63 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 1987-10-01 -> 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
1 229 189 258 303 238 197 163 146 147 140 168 197
2 218 209 261 281 234 192 160 144 148 140 172 185
3 221 228 256 274 227 185 157 143 147 142 168 189
4 211 236 252 258 241 181 164 142 146 142 165 186
5 234 221 275 268 235 180 165 143 149 145 175 191
6 237 226 240 268 228 177 165 144 146 146 174 194
7 242 269 232 275 233 174 166 145 147 147 181 188
8 230 266 224 256 232 172 159 147 144 146 182 177
9 244 293 221 267 223 183 160 147 142 147 180 189
10 242 271 260 260 222 180 156 146 143 149 191 184
11 253 287 266 265 217 175 155 146 143 149 192 186
12 241 284 277 258 218 187 155 145 143 150 184 190
13 234 268 253 253 212 189 154 145 143 150 184 194
14 233 255 248 249 212 189 153 144 143 147 182 187
15 245 278 278 257 215 183 152 144 143 146 182 203
16 241 267 275 260 210 179 153 144 143 150 187 206
17 253 279 272 261 207 176 153 146 143 151 192 206
18 228 262 286 257 204 175 153 146 145 152 190 196
19 221 269 297 247 216 172 152 147 146 152 191 202
20 222 259 291 244 212 170 151 147 145 154 187 209
21 226 233 291 239 219 167 150 148 144 161 192 204
22 222 223 286 223 213 164 150 148 145 161 184 185
23 200 238 288 236 208 161 149 147 144 158 182 191
24 195 245 280 238 213 164 148 146 143 151 190 233
25 192 234 275 252 220 163 149 145 143 150 181 217
26 188 237 271 243 214 162 149 145 143 153 176 213
27 183 232 268 258 210 161 147 144 142 155 179 225
28 183 231 268 254 207 167 147 143 141 155 176 210
29 200 313 256 248 210 165 147 144 142 159 185 200
30 195   255 244 212 165 147 146 142 167 187 207
31 191   251   209   147 147   168   219