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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 12143600 SF SNOQUALMIE RIVER AT EDGEWICK, WA


King County, Washington
Hydrologic Unit Code 17110010
Latitude  47°27'10", Longitude 121°43'00" NAD27
Drainage area 65.9  square miles
Gage datum 574.30 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 1961-10-01 -> 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
1 480 666 445 480 660 738 338 114 89 199 509 602
2 483 521 382 482 657 718 327 113 85 169 506 529
3 566 454 407 470 671 701 331 111 88 193 518 488
4 562 467 414 480 670 686 297 110 83 190 742 587
5 633 483 394 553 707 684 282 111 79 155 617 547
6 557 518 383 559 714 657 282 107 85 126 752 491
7 963 584 363 541 705 666 273 106 84 130 766 434
8 741 612 354 537 673 612 266 107 99 173 648 502
9 626 492 429 553 665 579 270 99 100 165 658 586
10 559 483 419 541 653 603 256 96 97 197 546 567
11 512 428 448 542 673 583 251 93 104 215 551 545
12 582 397 507 549 726 605 238 91 91 206 791 576
13 615 386 468 575 746 616 226 92 83 215 787 582
14 627 399 468 649 750 610 211 88 93 233 784 509
15 567 473 508 618 820 578 198 86 104 261 572 509
16 614 461 473 583 847 563 190 84 105 338 563 476
17 581 418 417 598 845 522 194 84 117 269 649 438
18 643 415 435 575 811 521 180 84 128 272 631 441
19 533 557 517 565 786 483 171 83 110 292 609 396
20 447 472 471 652 758 462 168 84 116 350 585 449
21 421 432 437 615 721 470 164 88 108 422 539 439
22 386 508 440 588 740 457 156 88 102 506 580 391
23 450 428 463 614 731 453 150 85 100 363 704 413
24 544 443 486 628 700 438 147 99 126 345 838 409
25 624 402 465 593 684 416 143 112 128 352 831 357
26 531 354 460 596 682 395 137 104 112 381 703 354
27 485 322 425 643 697 373 131 94 115 389 611 376
28 566 370 421 656 741 369 128 93 124 404 702 458
29 663 405 424 651 769 390 124 90 150 419 674 533
30 715   475 689 750 358 121 93 252 425 639 515
31 738   531   735   117 89   603   431