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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 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
1 337 338 315 353 177 103 52 22 20 29 98 342
2 342 355 354 321 193 95 51 22 24 27 101 390
3 350 346 325 288 194 92 47 22 21 30 109 387
4 393 343 311 273 188 89 45 21 18 28 137 391
5 402 325 319 286 191 92 42 21 18 31 126 402
6 424 371 327 277 213 95 40 20 18 29 122 455
7 395 377 318 262 205 108 39 20 19 30 120 390
8 398 370 304 268 187 105 38 20 18 32 156 362
9 350 368 336 268 175 100 36 19 22 35 159 299
10 371 419 348 270 166 94 35 19 20 47 154 321
11 407 362 325 279 157 107 34 18 19 46 162 356
12 419 345 356 273 144 103 33 18 18 42 196 378
13 440 413 344 290 139 93 32 18 18 38 184 344
14 381 428 354 290 140 83 31 19 19 37 215 363
15 437 431 356 272 134 78 30 19 19 42 290 359
16 431 435 348 238 134 76 30 19 21 60 238 337
17 493 432 342 234 132 76 29 19 20 45 216 340
18 517 484 363 223 133 72 30 19 22 43 263 314
19 490 430 350 221 137 72 30 19 22 44 299 339
20 456 389 323 217 139 74 29 19 21 60 268 397
21 459 420 330 218 131 70 27 18 21 57 217 470
22 452 462 356 209 121 65 28 18 20 64 308 517
23 467 398 358 205 117 62 27 18 20 88 376 420
24 405 348 368 205 114 60 25 19 25 67 352 367
25 372 345 352 199 120 61 24 19 25 76 301 349
26 378 344 351 189 130 64 25 20 30 78 329 392
27 397 324 345 186 119 61 25 18 31 85 337 408
28 383 326 338 185 110 59 24 18 29 129 332 482
29 341 406 331 178 110 60 23 19 30 160 327 366
30 309   393 169 99 53 22 19 32 127 348 410
31 291   384   102   22 19   100   384