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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 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 -> 2023-09-30)

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
1 307 298 250 211 223 214 183 120 161 188 296 356
2 308 332 249 209 220 213 179 120 160 194 312 342
3 302 316 248 208 225 212 172 120 160 197 298 335
4 292 285 246 209 227 212 164 120 160 199 278 358
5 292 283 244 207 220 212 159 120 160 202 276 354
6 291 284 243 207 219 211 154 120 160 203 276 355
7 292 280 239 208 230 210 152 120 160 203 289 386
8 316 278 237 208 234 210 152 120 160 203 315 440
9 343 278 238 209 225 210 151 121 160 205 332 419
10 329 277 234 209 227 210 148 120 167 207 309 419
11 321 285 233 210 220 210 145 120 173 209 291 419
12 298 327 230 209 223 211 142 120 173 210 309 418
13 292 315 229 210 223 210 138 119 173 211 308 401
14 291 312 229 211 223 209 137 118 173 211 292 316
15 295 295 228 211 223 206 137 118 173 220 293 310
16 308 290 224 212 224 206 135 118 173 225 292 311
17 325 308 243 214 224 215 135 118 170 225 292 311
18 342 314 225 213 224 223 135 118 167 225 291 315
19 324 283 222 218 227 222 135 118 168 225 305 328
20 354 264 223 220 229 219 135 118 170 235 347 345
21 373 258 258 217 225 211 135 117 173 235 434 342
22 326 268 223 217 222 203 134 117 174 246 475 314
23 293 280 217 227 222 195 132 119 174 252 385 292
24 307 309 218 234 221 189 130 120 175 277 305 291
25 341 283 217 226 222 188 131 120 176 304 291 291
26 327 254 214 227 221 187 131 120 178 280 291 303
27 313 254 214 220 223 187 126 120 181 254 292 294
28 292 251 214 223 224 186 121 122 182 252 306 297
29 292 255 212 220 219 185 122 128 183 277 328 316
30 290   212 220 217 185 121 133 178 295 342 291
31 291   212   215   120 141   278   299