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USGS Surface-Water 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 14152500 COAST FORK WILLAMETTE AT LONDON, OR


Lane County, Oregon
Hydrologic Unit Code 17090002
Latitude  43°38'30", Longitude 123°05'05" NAD27
Drainage area 72.1  square miles
Gage datum 852.58 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 1935-10-01 -> 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
1 334 337 323 353 177 103 52 22 20 29 97 337
2 338 353 360 321 193 95 51 22 24 27 99 386
3 346 344 328 288 194 92 47 22 21 30 107 406
4 388 341 314 273 188 89 45 21 18 28 137 400
5 398 323 322 286 191 92 42 21 18 31 129 402
6 420 369 328 277 213 95 40 20 18 29 126 453
7 394 374 318 262 205 108 39 20 19 29 122 395
8 396 367 305 268 187 105 38 20 18 31 156 367
9 355 365 337 268 175 100 36 19 22 35 158 301
10 379 416 351 270 166 94 35 19 20 46 153 322
11 410 359 329 279 157 107 34 18 19 47 160 362
12 424 342 362 273 144 103 33 18 18 42 193 380
13 463 409 349 290 139 93 32 18 18 38 182 344
14 408 424 357 290 140 83 31 19 19 37 212 361
15 445 430 357 272 134 78 30 19 19 41 286 356
16 434 441 349 238 134 76 30 19 21 59 235 334
17 503 434 343 234 132 76 29 19 20 45 213 337
18 529 483 364 223 133 72 30 19 22 43 260 311
19 496 429 350 221 137 72 30 19 22 44 297 335
20 458 388 324 217 139 74 29 19 21 59 266 392
21 459 418 329 218 131 70 27 18 21 57 215 464
22 453 458 354 209 121 65 28 18 20 63 304 510
23 468 395 356 205 117 62 27 18 20 87 371 415
24 407 346 366 205 114 60 25 19 25 66 347 362
25 375 343 350 199 120 61 24 19 25 75 297 345
26 382 342 349 189 130 64 25 20 30 78 324 386
27 405 322 345 186 119 61 25 18 31 85 332 402
28 388 324 338 185 110 59 24 18 29 128 327 475
29 344 417 331 178 110 60 23 19 30 158 322 361
30 311   393 169 99 53 22 19 32 125 343 405
31 292   384   102   22 19   98   379