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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 12149000 SNOQUALMIE RIVER NEAR CARNATION, WA


King County, Washington
Hydrologic Unit Code 17110010
Latitude  47°39'58", Longitude 121°55'27" NAD27
Drainage area 603  square miles
Gage datum 2.12 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 1928-10-01 -> 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 4,600 5,050 4,160 4,550 4,690 4,850 3,250 1,300 1,050 1,780 4,140 5,100
2 4,710 4,550 3,980 4,360 4,570 5,010 3,130 1,260 1,210 1,590 4,320 5,840
3 4,910 4,230 3,860 4,030 4,700 5,010 3,080 1,230 1,080 1,760 4,410 6,050
4 4,800 4,220 3,910 3,880 4,630 4,880 3,000 1,220 1,050 1,770 4,800 6,000
5 5,290 4,360 4,080 4,090 4,750 4,960 2,850 1,220 1,070 1,770 4,750 5,470
6 5,290 4,350 4,230 4,310 4,840 4,940 2,780 1,170 1,130 1,610 4,350 5,230
7 5,960 4,740 3,770 4,190 4,820 4,970 2,670 1,130 1,090 1,670 4,900 5,020
8 6,340 4,880 3,490 4,050 4,710 4,940 2,600 1,140 1,070 1,880 4,940 4,800
9 5,490 4,850 3,720 4,090 4,680 4,760 2,630 1,080 1,060 2,050 4,360 5,220
10 5,050 4,590 3,950 4,050 4,680 4,770 2,570 1,030 1,120 2,260 4,380 5,620
11 4,860 4,210 3,790 4,070 4,790 4,670 2,490 1,000 1,160 2,320 4,390 5,800
12 5,250 4,060 3,860 4,090 5,000 4,540 2,420 995 1,100 2,160 4,850 5,980
13 5,320 4,150 3,990 4,260 5,040 4,600 2,490 985 1,010 2,130 5,580 5,830
14 5,310 4,130 3,810 4,470 5,090 4,590 2,390 986 1,130 2,090 5,670 5,650
15 5,490 4,440 3,900 4,530 5,100 4,640 2,320 981 1,230 2,260 4,840 5,670
16 5,520 4,550 3,890 4,320 5,220 4,600 2,230 1,020 1,350 2,280 4,680 5,540
17 5,550 4,440 3,780 4,490 5,270 4,450 2,160 952 1,360 2,380 4,680 5,180
18 5,740 4,180 3,790 4,600 5,150 4,300 2,070 946 1,440 2,400 4,780 5,340
19 5,630 4,550 4,050 4,440 5,130 4,330 1,930 941 1,300 2,520 4,610 5,080
20 5,080 4,720 3,990 4,630 5,160 4,190 1,870 946 1,560 2,910 4,940 5,230
21 4,950 4,330 3,780 4,510 5,110 4,130 1,800 945 1,600 3,070 4,900 5,380
22 4,650 4,480 3,840 4,290 5,280 3,990 1,720 939 1,510 3,300 4,750 5,180
23 5,380 4,150 3,830 4,340 5,230 3,870 1,640 974 1,530 3,330 5,250 5,160
24 6,100 4,040 3,840 4,480 5,060 3,790 1,620 1,040 1,480 3,100 6,300 5,020
25 6,060 3,970 4,020 4,310 5,030 3,700 1,580 1,060 1,530 3,610 6,400 4,910
26 5,290 4,200 3,860 4,230 5,030 3,580 1,550 1,090 1,470 3,670 6,120 4,950
27 4,710 4,050 3,820 4,290 5,000 3,460 1,520 1,030 1,500 3,460 5,440 4,690
28 4,780 4,150 3,910 4,630 5,050 3,470 1,470 1,060 1,470 3,540 5,490 4,740
29 4,960 5,590 3,930 4,760 5,180 3,500 1,500 1,020 1,520 3,710 5,340 4,790
30 5,160   4,050 4,850 5,110 3,430 1,430 1,010 1,780 3,410 5,010 5,080
31 5,080   4,310   4,840   1,380 996   3,850   4,650