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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 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 -> 2025-09-30)

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
1 481 658 447 480 660 731 335 114 88 196 506 593
2 482 514 385 482 657 713 324 112 85 166 507 522
3 562 449 409 470 671 718 328 111 88 190 519 482
4 557 461 415 480 670 702 295 110 83 187 738 578
5 631 477 394 553 707 698 280 111 78 153 616 539
6 556 510 383 559 714 660 280 106 85 124 744 484
7 951 575 363 541 705 665 271 105 83 128 756 435
8 733 602 354 537 673 612 264 106 98 170 640 504
9 619 485 429 553 665 578 268 98 99 163 650 583
10 555 476 419 541 653 601 254 95 96 194 540 562
11 511 421 448 542 673 579 249 93 103 212 547 540
12 578 391 507 549 726 600 236 91 90 203 786 570
13 609 380 468 575 746 610 224 92 83 211 787 575
14 620 393 468 649 750 603 210 88 92 229 784 504
15 561 465 508 618 820 573 196 86 103 256 574 504
16 607 454 473 583 847 558 188 84 104 332 562 471
17 574 412 417 598 845 518 193 83 115 265 659 435
18 634 410 435 575 811 518 179 85 126 267 636 453
19 526 549 517 565 786 480 169 83 108 289 609 403
20 442 466 471 652 758 459 167 84 115 346 583 450
21 416 427 437 615 721 467 162 88 107 417 536 440
22 382 505 440 588 740 453 154 88 101 498 577 394
23 445 459 463 614 731 449 149 85 99 358 697 421
24 536 464 486 628 700 434 146 99 124 340 827 415
25 614 418 465 593 684 411 142 112 126 347 820 362
26 523 365 460 596 682 392 136 104 111 375 695 366
27 478 329 425 643 697 371 131 94 114 392 604 386
28 557 374 421 656 741 368 127 93 123 407 693 474
29 652 405 424 651 769 387 124 90 148 423 665 548
30 702   475 689 744 356 120 93 247 425 630 522
31 727   531   728   116 89   596   436