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USGS Daily Statistics for Oregon

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 14153500 COAST FORK WILLAMETTE R BLW COTTAGE GROVE DAM, OR


Lane County, Oregon
Hydrologic Unit Code 17090002
Latitude  43°43'15", Longitude 123°02'55" NAD27
Drainage area 104  square miles
Gage datum 711.00 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 1939-10-01 -> 2022-09-30)

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
1 581 481 315 331 130 151 68 57 96 208 218 479
2 573 486 296 314 144 152 63 59 113 207 203 501
3 544 432 304 285 154 145 62 61 126 205 188 531
4 506 389 320 247 170 137 60 63 137 205 182 512
5 525 378 333 248 155 136 60 65 147 202 180 506
6 492 370 324 237 155 130 57 66 161 204 169 516
7 487 335 317 223 171 138 56 71 170 205 154 565
8 500 337 316 244 161 126 55 75 175 204 156 555
9 573 357 323 255 155 120 55 80 182 205 169 479
10 593 358 343 259 158 117 54 83 187 200 199 498
11 585 382 340 258 164 116 54 84 190 200 204 500
12 610 373 316 260 150 109 54 87 188 204 214 493
13 592 353 319 263 132 99 53 89 194 203 209 487
14 582 352 319 250 125 94 53 91 193 209 248 513
15 598 350 349 220 126 90 53 95 186 216 265 539
16 572 370 365 199 135 89 54 97 190 216 265 540
17 554 400 339 193 153 84 53 99 211 215 273 534
18 563 436 322 185 156 82 53 99 212 214 290 529
19 549 473 328 179 149 83 55 101 203 220 319 487
20 545 483 304 174 154 84 56 103 213 225 343 435
21 592 422 278 171 157 82 55 103 214 227 362 415
22 655 345 292 176 144 78 54 101 212 231 399 459
23 623 331 318 174 135 75 54 103 213 227 393 533
24 643 348 322 175 134 76 55 100 216 229 406 580
25 664 363 323 180 143 78 54 100 212 225 445 550
26 649 340 309 163 151 83 54 99 210 223 465 497
27 564 338 300 157 148 84 54 96 205 229 471 509
28 500 333 312 148 140 84 55 95 210 241 475 534
29 475 402 321 133 145 87 56 96 209 221 476 596
30 459   296 133 141 79 56 97 207 213 455 654
31 454   328   138   57 96   222   640