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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 -> 2021-09-30)

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
1 345 339 346 808 2,820 6,090 3,080 759 339 344 491 497
2 342 343 348 864 2,880 6,060 2,920 727 331 357 486 486
3 336 343 349 920 2,990 6,180 2,780 699 324 364 479 481
4 336 344 351 951 3,110 6,170 2,680 681 321 370 480 469
5 333 348 351 975 3,310 6,150 2,540 658 317 376 479 458
6 337 349 356 1,000 3,510 6,090 2,430 632 322 377 487 448
7 340 352 359 1,060 3,760 5,970 2,350 615 324 383 552 437
8 346 353 360 1,160 4,030 5,850 2,260 596 318 388 526 425
9 346 352 365 1,260 4,260 5,560 2,170 569 312 392 507 427
10 346 351 372 1,310 4,450 5,380 2,090 546 306 396 499 423
11 342 355 378 1,350 4,630 5,280 2,020 529 306 400 493 427
12 337 356 400 1,420 4,870 5,250 1,930 511 304 401 491 428
13 333 354 425 1,490 4,970 5,270 1,840 496 300 401 520 448
14 328 355 438 1,560 5,100 5,160 1,780 488 300 403 521 435
15 326 354 465 1,570 5,340 5,040 1,680 481 300 414 513 431
16 326 353 483 1,590 5,800 4,870 1,580 474 305 415 508 417
17 332 350 491 1,640 6,140 4,800 1,520 455 308 424 502 405
18 328 351 499 1,730 6,350 4,560 1,430 441 310 430 497 399
19 329 350 513 1,860 6,450 4,330 1,360 429 310 433 497 395
20 334 349 532 1,990 6,330 4,230 1,290 419 309 437 488 392
21 336 349 547 2,140 6,210 4,250 1,230 410 306 524 473 392
22 334 350 563 2,310 6,230 4,220 1,170 404 303 481 463 389
23 340 349 581 2,380 6,300 4,060 1,130 395 301 466 484 383
24 344 345 590 2,480 6,380 3,850 1,090 386 299 462 499 376
25 346 346 616 2,510 6,560 3,660 1,040 378 301 466 499 371
26 351 344 635 2,560 6,670 3,510 989 374 303 478 489 365
27 353 344 648 2,590 6,570 3,420 946 368 306 473 501 361
28 350 345 664 2,630 6,400 3,320 899 363 308 468 495 360
29 344 333 690 2,680 6,480 3,320 863 358 317 474 519 360
30 340   722 2,750 6,160 3,250 826 352 327 471 530 355
31 339   764   6,080   788 345   476   348