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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 12439500 OKANOGAN RIVER AT OROVILLE, WA


Okanogan County, Washington
Hydrologic Unit Code 17020006
Latitude  48°55'51", Longitude 119°25'09" NAD27
Drainage area 3,195  square miles
Gage datum 900.00 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 76 - 77 years of record in, ft3/s   (Calculation Period 1942-10-01 -> 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
1 423 483 578 637 941 1,350 1,030 713 596 491 501 451
2 420 479 572 641 969 1,340 1,020 702 593 488 498 448
3 420 478 574 664 988 1,320 994 694 599 488 491 448
4 420 483 577 678 1,010 1,330 981 688 603 482 488 449
5 425 487 581 696 1,040 1,320 970 682 595 478 486 446
6 429 493 591 718 1,070 1,310 955 674 590 479 477 447
7 433 500 607 722 1,100 1,310 946 671 582 482 481 444
8 443 512 614 727 1,120 1,300 930 661 575 487 485 450
9 448 529 615 744 1,150 1,290 921 652 567 496 482 449
10 452 539 619 757 1,180 1,280 914 638 559 498 480 453
11 454 549 623 752 1,220 1,280 907 630 564 495 476 455
12 459 562 626 744 1,230 1,260 902 626 571 498 474 457
13 460 565 631 750 1,230 1,260 898 626 564 502 469 458
14 462 565 632 751 1,240 1,230 898 628 548 503 462 457
15 460 562 636 759 1,260 1,230 893 630 539 501 466 447
16 457 574 635 766 1,270 1,200 887 628 534 502 467 440
17 455 583 638 766 1,300 1,160 879 617 531 505 468 435
18 460 586 631 765 1,320 1,180 867 603 518 502 467 433
19 465 591 630 776 1,350 1,190 845 601 511 499 469 424
20 471 596 631 789 1,340 1,190 827 599 509 498 470 420
21 479 600 630 806 1,350 1,170 818 593 515 496 468 422
22 481 603 631 815 1,380 1,140 818 593 517 498 462 428
23 486 602 635 814 1,410 1,120 813 597 510 497 460 432
24 488 601 639 827 1,410 1,100 784 587 507 497 461 431
25 486 603 640 859 1,380 1,110 769 581 507 493 458 429
26 484 601 644 888 1,390 1,120 750 587 504 487 451 430
27 485 598 650 915 1,410 1,110 739 596 502 489 446 425
28 489 591 651 918 1,400 1,100 733 594 502 490 457 422
29 489 546 648 913 1,370 1,070 732 589 497 492 450 422
30 485   636 920 1,360 1,040 733 596 489 491 447 424
31 483   631   1,390   725 597   494   424