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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 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 -> 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
1 578 476 312 332 130 154 68 57 95 208 215 470
2 570 481 293 316 143 154 63 59 111 208 200 493
3 542 428 302 289 153 146 62 61 125 206 185 527
4 503 385 317 251 169 139 60 63 135 206 179 505
5 520 375 330 252 154 138 60 65 145 203 182 499
6 486 366 321 241 154 132 57 66 158 205 173 509
7 483 332 315 227 170 139 56 70 167 206 159 557
8 496 334 313 248 160 127 55 74 172 205 160 547
9 570 354 320 260 154 121 55 79 179 206 170 480
10 592 355 340 263 157 119 54 82 184 201 198 504
11 584 379 337 264 163 123 54 83 187 201 202 507
12 609 370 313 267 149 128 54 86 186 205 211 499
13 593 350 317 269 131 121 53 88 193 205 206 493
14 593 348 317 256 125 110 53 90 192 211 244 518
15 609 347 345 224 125 100 54 94 185 219 260 541
16 584 366 361 203 134 95 54 96 189 219 260 541
17 557 396 336 197 158 89 53 98 210 218 268 529
18 562 432 320 188 158 87 53 98 211 216 285 522
19 548 468 325 183 151 87 55 100 202 221 313 479
20 546 478 301 178 155 87 56 102 212 227 337 427
21 599 418 276 175 158 85 55 102 212 228 355 408
22 664 342 291 179 145 80 54 100 211 234 391 451
23 630 328 318 176 135 77 54 102 212 230 386 523
24 637 344 322 177 134 77 55 98 214 231 398 570
25 658 360 324 182 143 79 55 99 210 228 436 542
26 643 337 310 165 151 83 54 98 210 225 455 491
27 559 335 302 159 148 84 54 95 205 230 462 504
28 495 330 313 149 140 85 55 94 210 243 465 529
29 471 402 322 134 148 87 56 95 208 223 466 591
30 454   298 133 145 79 56 96 207 214 445 649
31 450   329   141   57 95   221   636