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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 12059500 NORTH FORK SKOKOMISH RIVER NEAR POTLATCH, WA


Mason County, Washington
Hydrologic Unit Code 17110017
Latitude  47°19'48", Longitude 123°14'31" NAD27
Drainage area 117  square miles
Gage datum 67.73 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 1943-10-01 -> 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
1 247 292 196 158 128 87 77 49 66 65 173 294
2 286 283 191 151 115 94 70 49 55 66 173 292
3 280 271 196 149 109 97 68 49 54 67 212 336
4 266 261 189 150 111 93 67 52 54 72 255 352
5 271 246 194 152 109 93 65 53 60 71 205 329
6 284 251 190 149 106 94 64 55 55 72 202 319
7 331 259 184 146 105 93 64 48 55 72 205 308
8 295 248 187 149 103 85 70 52 55 75 204 301
9 301 253 200 153 99 80 66 55 56 78 202 321
10 299 251 207 149 98 86 63 56 56 88 211 343
11 319 229 205 150 97 89 67 49 57 92 215 335
12 358 253 210 146 96 87 62 48 55 95 205 365
13 374 255 209 143 97 92 58 47 55 101 236 367
14 348 248 220 142 103 91 57 47 55 97 249 350
15 350 245 219 143 106 85 55 47 56 105 291 368
16 365 267 213 139 103 77 54 47 56 112 273 379
17 356 272 203 133 100 80 54 46 58 130 261 354
18 354 273 220 128 99 80 66 47 57 134 265 348
19 347 286 235 129 105 84 62 46 56 153 340 348
20 319 248 214 131 97 89 60 46 57 173 353 397
21 306 248 205 125 107 83 58 47 57 157 325 362
22 287 268 202 121 105 77 56 47 58 181 343 304
23 307 230 201 127 93 73 53 47 59 165 327 284
24 331 261 191 130 93 72 52 47 59 147 303 281
25 340 243 180 131 95 74 52 48 59 163 295 274
26 308 220 186 127 94 80 57 48 60 159 304 304
27 283 210 168 117 92 81 51 47 60 154 262 288
28 275 203 166 114 92 76 50 47 61 151 273 258
29 280 210 180 135 97 79 49 49 64 145 264 254
30 291   174 144 92 80 49 67 67 161 276 251
31 283   166   87   50 79   158   249