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USGS Daily Statistics for Washington

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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 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 -> 2019-09-30)

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
1 344 337 345 808 2,820 6,090 3,120 768 342 343 486 499
2 341 339 347 865 2,880 6,090 2,960 735 333 356 481 488
3 336 341 348 922 2,990 6,230 2,810 707 326 363 474 482
4 335 343 349 953 3,120 6,230 2,720 689 323 369 476 470
5 333 346 349 978 3,330 6,230 2,580 666 319 376 475 458
6 337 347 354 1,000 3,530 6,170 2,460 639 324 377 483 448
7 340 350 357 1,070 3,780 6,060 2,370 621 327 383 550 436
8 346 351 358 1,170 4,040 5,940 2,290 602 320 384 524 425
9 346 351 363 1,270 4,260 5,650 2,200 575 313 387 505 427
10 347 350 371 1,320 4,420 5,460 2,120 551 307 392 496 423
11 342 354 377 1,350 4,580 5,360 2,040 534 307 396 491 427
12 337 354 399 1,430 4,800 5,320 1,950 516 305 397 489 428
13 333 353 424 1,500 4,910 5,340 1,870 501 301 396 518 448
14 328 354 437 1,570 5,060 5,230 1,800 493 301 398 520 435
15 326 353 465 1,580 5,330 5,110 1,710 485 301 410 512 432
16 326 352 483 1,600 5,820 4,940 1,600 479 306 412 507 418
17 332 349 491 1,650 6,110 4,870 1,540 460 309 419 501 406
18 328 351 499 1,740 6,320 4,620 1,440 446 310 424 495 399
19 328 349 513 1,870 6,450 4,390 1,380 433 309 426 494 396
20 334 348 532 1,980 6,330 4,280 1,300 423 309 430 487 392
21 336 348 547 2,130 6,220 4,300 1,250 414 306 520 472 392
22 334 349 561 2,290 6,260 4,270 1,190 407 303 477 462 389
23 340 348 579 2,370 6,350 4,110 1,140 398 301 461 483 383
24 344 344 588 2,460 6,440 3,890 1,100 389 299 458 498 376
25 346 345 614 2,490 6,620 3,700 1,050 381 300 461 499 372
26 351 343 634 2,550 6,700 3,550 1,000 377 302 471 489 365
27 354 343 647 2,580 6,590 3,450 958 371 305 466 501 361
28 350 344 662 2,630 6,420 3,350 910 366 307 461 495 361
29 345 329 688 2,680 6,510 3,360 873 361 316 468 521 360
30 340   720 2,750 6,150 3,290 835 355 326 467 532 356
31 339   763   6,050   797 348   471   348