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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
1 578 479 316 330 130 153 68 57 95 208 215 470
2 570 483 298 314 143 154 63 59 111 208 200 493
3 542 430 307 287 154 147 62 61 125 206 185 527
4 503 388 323 250 170 139 60 63 135 206 179 505
5 520 376 335 250 162 138 60 65 145 203 182 499
6 486 367 325 239 163 132 57 66 158 205 173 509
7 483 334 318 225 176 138 56 70 167 206 159 557
8 496 333 316 246 165 127 55 74 172 205 160 547
9 570 352 323 258 157 120 55 79 179 206 170 480
10 592 352 342 261 160 119 54 82 184 201 198 504
11 584 375 339 262 164 123 54 83 187 201 202 507
12 609 366 316 265 149 127 54 86 186 205 211 499
13 593 346 320 268 131 120 53 88 193 205 206 493
14 593 345 320 254 125 109 53 90 192 211 244 518
15 609 343 348 223 125 99 54 94 185 219 260 541
16 584 365 363 201 134 94 54 96 189 219 260 541
17 557 398 337 196 158 89 53 98 210 218 268 529
18 562 435 321 187 158 86 53 98 211 216 285 522
19 548 470 326 182 151 87 55 100 202 221 313 479
20 546 479 303 177 154 86 56 102 212 227 337 427
21 599 420 278 174 157 84 55 102 212 228 355 408
22 664 344 292 178 144 80 54 100 211 234 391 451
23 630 328 317 175 134 77 54 102 212 230 386 523
24 646 343 320 176 133 77 55 98 214 231 398 570
25 661 359 322 181 142 79 55 99 210 228 436 542
26 642 336 308 164 150 83 54 98 210 225 455 491
27 556 334 300 158 147 84 54 95 205 230 462 504
28 494 329 311 149 139 85 55 94 210 243 465 529
29 473 403 320 133 147 87 56 95 208 223 466 591
30 457   296 133 144 79 56 96 207 214 445 649
31 453   327   141   57 95   221   636