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USGS Surface-Water 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 water year of record in, ft3/s   (Calculation Period 1942-10-01 -> 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
1 421 488 590 639 938 1,330 1,040 724 585 488 500 453
2 419 486 585 644 969 1,340 1,030 713 583 485 497 449
3 420 483 587 666 990 1,330 1,010 702 587 484 490 447
4 421 482 588 680 1,020 1,340 999 695 591 479 487 447
5 425 486 592 696 1,050 1,340 989 688 583 474 486 445
6 430 491 602 715 1,080 1,320 976 681 580 476 479 446
7 435 500 617 717 1,110 1,320 967 678 573 478 484 443
8 444 513 622 723 1,140 1,310 954 669 566 483 487 448
9 450 532 621 739 1,160 1,300 944 660 557 491 482 448
10 454 542 624 751 1,190 1,290 936 644 548 494 480 452
11 456 545 626 747 1,220 1,280 928 636 553 491 476 453
12 460 556 628 739 1,230 1,270 923 631 559 494 474 455
13 457 565 635 742 1,220 1,260 918 627 552 498 470 457
14 456 569 637 741 1,230 1,240 917 627 538 500 464 456
15 458 567 640 748 1,250 1,250 911 628 530 498 466 447
16 458 579 637 753 1,270 1,220 904 625 525 498 460 439
17 456 589 637 754 1,300 1,180 895 612 525 502 467 434
18 461 593 631 754 1,320 1,190 882 597 516 499 472 431
19 465 598 629 764 1,340 1,210 862 595 507 497 474 422
20 471 603 630 778 1,340 1,200 845 593 504 497 476 420
21 480 607 626 798 1,350 1,180 835 586 515 497 473 422
22 484 609 627 807 1,380 1,160 832 583 514 500 467 428
23 489 611 632 806 1,410 1,140 824 585 504 500 463 432
24 491 610 636 819 1,400 1,120 797 575 501 500 463 431
25 489 612 637 852 1,380 1,130 781 570 504 496 461 430
26 487 611 644 881 1,390 1,140 763 575 502 491 453 429
27 487 608 651 905 1,410 1,130 751 585 499 491 448 424
28 491 602 651 908 1,410 1,110 745 583 497 492 459 420
29 492 579 648 905 1,380 1,080 743 578 493 493 451 419
30 489   636 913 1,360 1,050 742 585 486 492 449 421
31 487   634   1,380   736 586   495   422