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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 12142000 NF SNOQUALMIE RIVER NEAR SNOQUALMIE FALLS, WA


King County, Washington
Hydrologic Unit Code 17110010
Latitude  47°36'54", Longitude 121°42'44" NAD27
Drainage area 64.0  square miles
Gage datum 1,135 feet above NAVD88
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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 1929-10-01 -> 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
1 605 631 533 571 648 735 437 141 167 254 641 719
2 626 523 478 532 673 765 435 138 183 256 721 881
3 662 515 485 492 706 728 434 137 146 285 691 872
4 678 551 447 495 692 704 422 133 141 279 842 741
5 781 545 515 592 709 732 382 148 125 251 703 704
6 633 580 498 635 722 722 377 128 142 241 682 697
7 1,020 606 438 573 690 740 352 125 145 284 829 630
8 755 595 402 538 674 706 351 131 147 311 709 659
9 603 513 524 564 680 683 368 114 142 301 604 677
10 583 466 503 544 674 701 353 108 173 353 594 759
11 623 417 496 568 689 646 333 108 172 357 630 766
12 693 495 537 576 725 642 334 106 150 318 725 719
13 712 509 550 604 752 656 358 113 136 347 782 775
14 780 573 512 639 768 683 305 106 193 339 821 729
15 754 585 533 600 762 674 299 106 209 362 656 695
16 701 610 533 591 798 659 284 106 234 421 668 649
17 730 522 481 658 774 643 284 99 229 403 685 678
18 840 532 513 648 736 634 261 107 224 399 624 685
19 743 655 541 613 730 628 238 104 205 458 699 621
20 658 524 493 670 734 591 234 111 285 497 682 730
21 599 492 478 612 736 582 221 110 252 509 605 700
22 574 570 489 587 790 559 205 106 244 554 661 626
23 782 482 488 617 765 534 194 117 237 499 835 635
24 841 464 524 625 737 538 193 135 241 535 902 674
25 740 441 493 590 748 534 186 136 238 654 897 610
26 617 472 484 587 752 518 183 132 195 602 758 663
27 584 472 476 629 741 484 178 132 215 519 702 562
28 631 536 505 695 777 491 172 137 229 580 758 629
29 628 661 508 675 793 505 167 126 244 534 730 663
30 668   558 669 748 457 158 127 336 557 682 648
31 648   619   702   145 119   665   566