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USGS Surface-Water 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 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
1 608 626 530 574 648 738 437 141 167 254 648 725
2 631 521 477 534 675 766 435 138 183 256 715 887
3 666 514 485 491 709 711 434 137 146 286 690 877
4 681 552 448 496 695 691 422 133 141 281 835 741
5 784 546 517 594 710 723 382 148 125 252 699 642
6 634 582 500 638 719 720 377 128 142 242 683 670
7 1,030 609 440 575 688 740 352 125 145 286 814 616
8 759 598 403 539 674 706 351 131 147 314 706 653
9 592 515 527 559 681 684 368 114 142 303 604 675
10 581 468 505 542 674 702 353 108 173 356 595 730
11 624 418 497 569 688 647 333 108 172 358 625 750
12 696 491 536 577 725 644 334 106 150 319 724 715
13 716 508 550 606 752 656 358 113 136 350 784 776
14 785 575 513 641 771 683 305 106 193 342 825 731
15 760 587 534 601 765 674 299 106 209 365 660 698
16 706 613 532 593 800 659 284 106 234 424 672 651
17 733 525 477 662 777 643 284 99 229 401 690 682
18 844 536 508 651 739 634 261 107 224 400 629 689
19 747 660 537 616 734 628 238 104 205 461 702 624
20 659 528 490 675 738 591 234 111 285 501 685 734
21 598 494 475 616 739 582 221 110 252 514 608 704
22 569 572 488 591 784 559 205 106 244 559 663 629
23 776 484 484 621 765 534 194 117 237 504 840 638
24 838 466 522 629 739 538 193 135 241 540 909 679
25 737 434 492 591 749 534 186 136 238 660 905 615
26 612 467 482 581 752 518 183 132 195 608 764 666
27 572 472 474 626 743 484 178 132 215 524 708 564
28 605 532 504 688 779 491 172 137 229 586 765 632
29 616 617 508 670 794 505 167 126 244 539 737 667
30 661   560 669 749 457 158 127 336 563 688 651
31 642   622   704   145 119   673   568