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USGS Daily Statistics for Oregon

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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 -> 2020-09-30)

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
1 591 489 322 341 132 153 68 57 96 209 224 494
2 584 497 302 323 145 154 63 59 114 209 207 517
3 552 442 311 293 155 146 62 60 128 207 191 549
4 505 399 327 254 170 139 60 63 139 206 186 529
5 521 389 339 254 153 138 59 65 149 202 183 523
6 488 380 330 243 151 131 57 66 163 203 171 534
7 481 340 323 228 164 139 56 71 172 204 155 584
8 493 340 323 250 153 127 55 75 178 204 157 573
9 561 359 332 262 147 121 54 80 185 204 171 494
10 584 360 353 265 152 118 54 83 190 199 203 514
11 578 385 350 264 158 117 54 84 193 200 208 516
12 605 377 325 267 144 110 53 87 191 204 218 507
13 585 356 328 270 125 99 53 90 197 203 213 502
14 567 355 328 256 116 94 53 92 196 209 251 526
15 581 354 358 225 116 90 53 95 189 216 265 546
16 559 374 374 203 128 89 53 98 192 217 265 546
17 543 404 347 197 155 84 53 100 212 216 275 535
18 556 441 330 189 158 82 53 100 213 215 295 528
19 546 478 336 183 151 83 55 102 204 220 325 487
20 547 489 311 177 156 84 56 104 215 226 350 432
21 598 426 285 175 159 82 55 104 215 228 370 413
22 665 348 299 180 146 77 54 102 214 232 408 460
23 634 336 327 177 136 75 54 103 215 228 404 537
24 655 356 331 178 136 76 54 100 218 229 418 587
25 676 372 333 182 145 78 54 101 213 226 458 556
26 661 348 318 165 153 83 53 99 212 225 477 503
27 571 346 309 160 150 84 54 96 207 233 484 515
28 504 340 321 151 142 85 55 96 212 247 488 538
29 478 419 330 135 147 87 56 96 210 227 490 601
30 462   304 135 142 79 56 98 208 218 468 662
31 458   337   139   56 97   228   649