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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 12141300 MIDDLE FORK SNOQUALMIE RIVER NEAR TANNER, WA


King County, Washington
Hydrologic Unit Code 17110010
Latitude  47°29'10", Longitude 121°38'48" NAD27
Drainage area 154  square miles
Gage datum 784.61 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 1960-10-01 -> 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 1,310 1,500 1,160 1,190 1,560 2,100 1,270 474 419 657 1,590 1,860
2 1,330 1,220 976 1,170 1,590 2,200 1,260 457 476 638 1,580 1,960
3 1,550 1,290 1,040 1,120 1,630 2,130 1,270 453 386 652 1,550 1,950
4 1,530 1,330 1,020 1,140 1,630 2,110 1,200 449 349 610 2,120 1,900
5 1,850 1,320 1,100 1,330 1,730 2,150 1,160 473 314 511 1,650 1,510
6 1,480 1,360 1,110 1,450 1,780 2,070 1,140 425 344 507 1,690 1,380
7 2,330 1,430 1,010 1,350 1,720 2,040 1,090 418 353 547 1,890 1,300
8 1,820 1,380 915 1,260 1,700 1,890 1,080 421 346 701 1,680 1,470
9 1,530 1,220 1,170 1,330 1,740 1,830 1,110 378 341 698 1,620 1,480
10 1,380 1,230 1,120 1,290 1,700 1,870 1,060 361 400 746 1,510 1,560
11 1,300 1,070 1,140 1,310 1,730 1,820 1,020 353 438 771 1,550 1,620
12 1,550 1,190 1,230 1,290 1,830 1,830 1,020 344 365 769 1,910 1,600
13 1,630 1,200 1,210 1,320 1,880 1,880 1,090 351 306 831 1,940 1,650
14 1,830 1,380 1,170 1,450 1,910 1,900 980 333 379 858 2,000 1,550
15 1,880 1,430 1,230 1,360 2,020 1,850 955 332 426 910 1,550 1,590
16 1,780 1,560 1,180 1,270 2,080 1,850 876 327 421 1,020 1,530 1,490
17 1,830 1,280 1,070 1,270 2,070 1,760 877 313 501 867 1,660 1,490
18 2,060 1,210 1,110 1,230 1,980 1,800 828 327 532 863 1,520 1,480
19 1,810 1,660 1,260 1,280 1,950 1,770 764 313 441 978 1,670 1,270
20 1,600 1,450 1,100 1,480 1,980 1,670 748 330 506 1,130 1,620 1,540
21 1,450 1,350 1,010 1,340 1,950 1,660 718 337 540 1,250 1,490 1,480
22 1,160 1,300 1,050 1,340 2,020 1,630 673 327 481 1,410 1,510 1,350
23 1,460 1,130 1,090 1,440 1,970 1,590 638 330 531 1,140 1,820 1,430
24 1,710 1,130 1,150 1,480 1,870 1,590 627 375 487 1,050 2,220 1,600
25 1,610 1,010 1,100 1,370 1,870 1,560 614 400 431 1,050 2,130 1,480
26 1,330 902 1,080 1,360 1,920 1,470 592 397 412 1,210 1,840 1,670
27 1,310 971 1,040 1,480 1,930 1,400 572 365 431 1,220 1,610 1,350
28 1,430 1,180 1,050 1,640 2,030 1,410 556 370 471 1,240 1,800 1,320
29 1,480 1,490 1,090 1,600 2,130 1,430 544 346 557 1,240 1,720 1,400
30 1,650   1,260 1,620 2,100 1,320 524 361 873 1,360 1,630 1,460
31 1,620   1,300   1,970   495 346   1,620   1,230