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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 12449500 METHOW RIVER AT TWISP, WA


Okanogan County, Washington
Hydrologic Unit Code 17020008
Latitude  48°21'55", Longitude 120°06'54" NAD27
Drainage area 1,301  square miles
Gage datum 1,580 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 1918-10-01 -> 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
1 350 342 350 815 2,900 6,040 3,060 750 336 341 491 518
2 347 345 353 869 2,980 6,030 2,900 718 328 354 485 517
3 342 346 353 922 3,130 6,190 2,760 690 321 360 479 508
4 341 347 354 953 3,280 6,180 2,680 672 318 366 482 494
5 339 350 355 976 3,530 6,150 2,530 650 314 371 491 478
6 342 351 359 1,000 3,720 6,070 2,410 624 318 373 502 466
7 345 354 362 1,060 3,900 5,930 2,330 607 320 378 561 454
8 351 355 364 1,160 4,110 5,800 2,250 588 315 383 534 442
9 350 354 368 1,250 4,300 5,520 2,150 563 308 386 513 442
10 350 353 375 1,300 4,470 5,360 2,070 540 303 390 504 436
11 346 358 382 1,340 4,640 5,260 2,000 523 303 394 497 440
12 342 359 402 1,410 4,880 5,210 1,910 505 301 396 496 440
13 339 358 426 1,470 4,990 5,230 1,830 491 297 395 528 458
14 334 358 439 1,530 5,140 5,110 1,760 482 298 398 532 445
15 332 358 466 1,550 5,400 4,980 1,670 475 299 408 573 439
16 331 356 483 1,570 5,880 4,810 1,570 468 304 409 572 426
17 336 354 491 1,630 6,220 4,740 1,500 449 306 418 545 413
18 333 355 500 1,730 6,400 4,510 1,410 436 308 424 530 407
19 333 355 515 1,860 6,480 4,290 1,350 424 308 426 522 402
20 338 354 534 1,990 6,330 4,200 1,270 415 307 432 509 399
21 340 354 549 2,140 6,200 4,220 1,220 406 304 517 491 397
22 338 355 564 2,300 6,190 4,190 1,160 400 300 477 479 396
23 342 352 582 2,370 6,230 4,040 1,120 393 298 463 498 389
24 347 349 593 2,460 6,300 3,820 1,080 383 296 460 510 382
25 349 349 618 2,490 6,480 3,640 1,020 375 298 465 509 377
26 353 348 637 2,540 6,580 3,500 976 372 301 475 500 372
27 356 348 651 2,580 6,500 3,410 935 365 304 470 510 366
28 352 349 670 2,630 6,340 3,320 889 360 306 466 506 365
29 347 333 699 2,690 6,400 3,310 852 355 315 475 533 365
30 342   732 2,800 6,090 3,230 816 350 324 473 543 360
31 341   773   6,010   778 343   477   353