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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 12020800 SOUTH FORK CHEHALIS RIVER NEAR WILDWOOD, WA


Lewis County, Washington
Hydrologic Unit Code 17100103
Latitude  46°26'42", Longitude 123°04'57" NAD27
Drainage area 27  square miles
Gage datum 0 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 1998-10-01 -> 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
1 245 282 188 166 38         31 97 289
2 249 261 186 157 37         26 96 341
3 242 224 195 150 36         24 94 620
4 248 219 185 140           22 104 330
5 267 207 180 138           20 108 218
6 273 245 195 149           20 243 214
7 561 261 177 155           21 245 222
8 462 232 176 174           21 137 277
9 322 313 228 145           24 106 296
10 362 220 254 132           26 125 244
11 342 179 259 127           22 123 303
12 311 186 270 132           24 202 377
13 321 163 247 156           27 225 389
14 285 154 245 198           31 366 402
15 250 162 284 176           31 231 421
16 269 199 239 162           38 238 404
17 288 247 207 149           60 337 346
18 387 211 193 130           53 290 347
19 320 199 182 118           47 382 280
20 271 224 186 115           64 350 274
21 279 200 186 108           104 313 264
22 235 210 202 102           115 350 232
23 220 197 164 108           59 363 237
24 250 252 165 138           47 343 249
25 286 209 162 111           49 449 228
26 241 183 180 102           59 301 220
27 208 204 218 105           51 256 261
28 264 195 181 98           57 235 314
29 320 167 238 92           55 239 334
30 394   235 88           57 216 312
31 340   188             112   240