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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 -> 2019-09-30)

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
1 285 296 260 214 222 202 175 120 157 191 280 376
2 285 344 258 210 217 201 170 119 156 198 280 357
3 285 321 257 209 224 200 163 120 155 203 280 347
4 285 287 255 210 228 200 156 120 155 206 280 379
5 285 284 252 208 219 200 153 120 155 210 280 374
6 285 285 251 208 218 198 150 120 155 211 281 370
7 286 280 248 209 233 197 149 120 155 211 280 372
8 321 278 245 209 238 196 148 120 155 211 280 465
9 357 277 245 211 225 197 147 120 155 213 284 464
10 338 276 245 211 228 197 146 120 165 216 284 464
11 327 276 245 211 218 197 146 120 173 219 286 463
12 295 276 240 211 217 197 145 120 173 221 311 462
13 286 276 239 212 218 196 144 118 173 221 310 438
14 285 275 239 213 217 195 143 116 173 221 287 320
15 285 274 236 213 217 191 143 116 173 226 287 311
16 285 273 232 213 217 191 141 116 173 234 287 312
17 286 320 259 215 217 191 140 117 169 238 286 312
18 287 339 233 214 217 197 140 117 165 238 286 317
19 287 296 228 222 221 198 140 116 166 238 287 336
20 345 270 230 224 223 197 140 116 169 246 291 359
21 398 264 279 214 217 195 140 116 173 246 432 355
22 333 277 231 215 213 193 140 115 175 255 516 316
23 287 294 223 227 213 188 137 118 174 263 396 285
24 307 335 223 238 213 183 134 120 176 299 287 285
25 354 304 222 227 213 182 134 120 177 337 285 285
26 335 263 218 228 213 181 134 120 180 303 286 285
27 314 263 218 218 216 181 127 119 184 267 286 285
28 285 262 218 223 216 179 121 122 187 264 306 285
29 286 274 215 219 210 178 121 124 187 299 336 285
30 285   215 219 207 178 120 124 180 325 356 285
31 286   215   205   120 131   299   285