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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
1 605 626 530 574 648 738 437 141 167 254 641 719
2 626 521 477 534 675 766 435 138 183 256 721 881
3 662 514 485 491 709 711 434 137 146 285 691 872
4 678 552 448 496 695 691 422 133 141 279 842 741
5 781 546 517 594 710 723 382 148 125 251 703 704
6 633 582 500 638 719 720 377 128 142 241 682 697
7 1,020 609 440 575 688 740 352 125 145 284 829 630
8 755 598 403 539 674 706 351 131 147 311 709 659
9 603 515 527 559 681 684 368 114 142 301 604 677
10 583 468 505 542 674 702 353 108 173 353 594 759
11 623 418 497 569 688 647 333 108 172 357 630 766
12 693 491 536 577 725 644 334 106 150 318 725 719
13 712 508 550 606 752 656 358 113 136 347 782 775
14 780 575 513 641 771 683 305 106 193 339 821 729
15 754 587 534 601 765 674 299 106 209 362 656 695
16 701 613 532 593 800 659 284 106 234 421 668 649
17 730 525 477 662 777 643 284 99 229 403 685 678
18 840 536 508 651 739 634 261 107 224 399 624 685
19 743 660 537 616 734 628 238 104 205 458 699 621
20 658 528 490 675 738 591 234 111 285 497 682 730
21 599 494 475 616 739 582 221 110 252 509 605 700
22 574 572 488 591 784 559 205 106 244 554 661 626
23 782 484 484 621 765 534 194 117 237 499 835 635
24 841 466 522 629 739 538 193 135 241 535 902 674
25 740 434 492 591 749 534 186 136 238 654 897 610
26 617 467 482 581 752 518 183 132 195 602 758 663
27 584 472 474 626 743 484 178 132 215 519 702 562
28 631 532 504 688 779 491 172 137 229 580 758 629
29 628 617 508 670 794 505 167 126 244 534 730 663
30 668   560 669 749 457 158 127 336 557 682 648
31 642   622   704   145 119   665   566