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USGS Daily Statistics for Washington

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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 12058790 NF SKOKOMISH R NR LWR CUSHMAN DAM NR POTLATCH, WA


Mason County, Washington
Hydrologic Unit Code 17110017
Latitude  47°23'48", Longitude 123°12'08" NAD27
Drainage area 97.9  square miles
Gage datum 328 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 2007-10-01 -> 2024-09-30)

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
1 307 300 247 210 223 218 185 121 161 188 292 350
2 308 329 246 209 220 217 182 120 161 193 306 338
3 302 315 245 208 225 217 175 121 161 197 294 332
4 294 285 243 208 227 216 167 121 161 199 276 352
5 293 292 241 207 221 216 161 120 161 201 274 348
6 293 292 241 207 220 215 155 120 161 202 275 349
7 294 280 237 208 230 215 154 120 161 202 286 376
8 315 278 236 208 233 214 153 121 161 202 309 423
9 338 278 236 209 224 214 152 121 161 203 329 405
10 326 277 230 209 226 215 148 121 168 206 308 405
11 319 284 230 209 220 215 145 121 173 208 293 405
12 300 321 227 209 225 215 141 120 173 209 309 412
13 294 310 226 209 225 214 137 119 173 209 308 397
14 293 308 226 210 224 213 136 118 173 210 294 315
15 296 293 225 210 225 211 136 118 173 219 294 310
16 308 288 222 212 227 212 135 118 173 224 293 310
17 323 304 238 213 227 224 134 118 170 224 293 310
18 337 306 222 213 227 231 134 118 167 224 293 314
19 322 279 220 217 230 231 134 118 168 224 305 325
20 348 262 221 219 231 225 134 118 170 232 342 340
21 365 257 251 218 227 215 134 118 173 232 418 338
22 324 265 221 218 225 207 134 117 174 243 454 313
23 295 276 216 226 225 198 132 120 174 248 375 294
24 335 302 216 233 224 193 130 121 175 271 305 293
25 389 276 216 226 225 192 130 121 175 294 293 293
26 366 250 213 226 224 191 130 121 178 273 293 304
27 330 250 213 220 226 190 125 120 181 250 293 296
28 294 248 213 224 227 188 122 122 183 249 306 298
29 294 248 212 221 223 187 122 129 183 271 325 315
30 292   211 221 221 188 121 135 179 287 338 293
31 293   211   219   120 143   272   300