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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
1 583 486 318 334 131 151 68 57 96 208 220 484
2 576 491 298 317 144 152 63 59 113 207 205 506
3 546 436 307 288 153 145 62 61 126 205 189 537
4 503 392 323 249 168 137 60 63 137 205 183 518
5 520 382 336 250 151 136 60 65 147 203 179 511
6 490 373 327 239 149 130 57 66 161 206 168 522
7 484 339 320 224 162 138 56 71 170 206 153 571
8 497 340 319 246 152 126 55 75 175 206 155 561
9 566 361 326 258 146 120 55 80 182 206 168 484
10 586 362 346 261 150 117 54 83 187 201 199 503
11 576 386 343 260 156 116 54 84 190 202 203 505
12 598 377 319 262 143 109 54 87 188 206 213 496
13 580 356 322 265 124 99 53 89 194 205 208 491
14 571 355 322 252 115 94 53 91 193 210 248 517
15 591 353 352 221 115 90 53 95 186 218 265 537
16 570 373 368 200 127 89 54 97 190 218 265 537
17 553 404 342 194 153 84 53 99 211 217 274 529
18 563 441 325 186 156 82 53 99 212 216 292 525
19 549 478 331 180 149 83 55 101 203 222 321 483
20 547 488 306 175 154 84 56 103 213 227 346 430
21 597 426 280 172 157 82 55 103 214 229 365 413
22 661 349 294 177 144 78 54 101 212 233 403 460
23 629 334 321 175 135 75 54 103 213 229 397 535
24 650 351 325 176 134 76 55 100 216 231 410 582
25 671 367 326 180 143 78 54 100 212 228 450 550
26 656 343 312 163 151 83 54 99 210 225 469 496
27 569 341 303 158 148 84 54 96 205 231 476 509
28 504 336 315 149 140 84 55 95 210 244 480 534
29 479 402 324 134 145 87 56 96 209 224 481 597
30 463   299 134 141 79 56 97 207 215 459 655
31 459   331   138   57 96   224   642