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USGS 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 1,130 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 - 78 years of record in, ft3/s   (Calculation Period 1929-10-01 -> 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
1 575 563 460 583 641 742 443 146 175 254 658 733
2 609 510 460 544 674 770 441 142 193 261 735 909
3 645 515 473 498 702 710 441 142 153 292 705 903
4 666 559 440 497 689 694 432 138 148 288 764 760
5 787 531 519 607 707 729 391 154 131 258 644 657
6 599 529 503 655 708 728 386 132 148 246 677 689
7 958 540 443 586 674 751 359 130 152 288 829 629
8 741 571 406 544 671 714 360 135 154 310 721 652
9 586 508 538 557 682 684 379 118 149 308 616 677
10 582 465 516 526 675 683 363 111 181 355 608 744
11 609 416 509 557 688 644 342 111 181 353 633 763
12 597 496 551 568 724 648 342 109 157 302 681 727
13 658 514 564 611 745 652 369 116 142 344 789 793
14 776 585 522 653 768 678 314 109 203 334 807 747
15 760 598 536 614 757 681 309 110 216 362 651 714
16 710 624 540 603 786 666 293 110 242 424 674 665
17 743 533 485 668 757 653 292 102 239 390 689 692
18 856 546 518 655 728 643 262 111 225 382 626 695
19 757 677 546 610 730 636 243 108 205 446 705 618
20 635 529 496 677 742 594 240 116 289 498 695 670
21 586 492 477 620 741 582 227 114 260 490 619 669
22 567 552 489 593 795 561 210 110 254 504 677 611
23 757 472 483 601 774 537 200 121 243 499 856 636
24 831 467 521 618 748 544 199 140 241 541 931 661
25 735 437 494 581 752 541 192 142 236 671 922 582
26 610 473 486 575 750 522 189 138 186 610 750 647
27 573 478 478 617 737 484 184 137 204 518 704 543
28 608 486 505 686 778 492 178 143 213 553 753 628
29 623 630 504 664 797 512 173 131 236 510 739 677
30 672   561 651 746 464 163 133 336 556 689 659
31 606   631   703   149 124   642   546