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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 12484500 YAKIMA RIVER AT UMTANUM, WA


Kittitas County, Washington
Hydrologic Unit Code 17030001
Latitude  46°51'46", Longitude 120°28'44" NAD27
Drainage area 1,594  square miles
Gage datum 1,300 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 water year of record in, ft3/s   (Calculation Period 1933-10-01 -> 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 1,500 1,890 1,860 2,740 3,430 3,960 3,350 3,520 2,820 1,500 970 1,400
2 1,500 1,780 1,870 2,760 3,420 3,900 3,340 3,530 2,730 1,450 950 1,540
3 1,510 1,700 1,880 2,760 3,430 3,940 3,320 3,530 2,610 1,430 959 1,670
4 1,540 1,710 1,910 2,760 3,450 3,990 3,310 3,530 2,550 1,410 979 1,580
5 1,570 1,750 1,910 2,780 3,540 4,030 3,320 3,520 2,480 1,390 1,040 1,480
6 1,580 1,720 1,960 2,850 3,610 4,050 3,290 3,530 2,420 1,360 1,020 1,430
7 1,600 1,830 1,930 2,950 3,660 4,020 3,260 3,550 2,330 1,350 1,070 1,410
8 1,810 1,960 1,880 3,030 3,680 3,980 3,280 3,540 2,230 1,340 1,040 1,380
9 1,770 1,960 1,890 3,000 3,710 3,940 3,300 3,530 2,110 1,330 1,020 1,470
10 1,630 1,860 1,980 2,990 3,740 3,920 3,300 3,510 2,020 1,330 1,020 1,600
11 1,590 1,810 1,960 3,020 3,810 3,850 3,310 3,520 1,960 1,340 1,020 1,670
12 1,490 1,750 2,000 3,050 3,880 3,760 3,330 3,500 1,900 1,320 1,040 1,690
13 1,470 1,710 2,100 3,100 3,820 3,740 3,320 3,500 1,850 1,290 1,130 1,660
14 1,510 1,690 2,100 3,210 3,780 3,690 3,340 3,500 1,840 1,260 1,100 1,690
15 1,590 1,770 2,110 3,280 3,870 3,690 3,340 3,510 1,820 1,230 1,080 1,690
16 1,670 1,890 2,150 3,270 3,950 3,710 3,350 3,510 1,810 1,160 1,040 1,700
17 1,690 1,920 2,190 3,290 3,970 3,710 3,380 3,510 1,790 1,100 1,030 1,610
18 1,660 1,860 2,180 3,340 4,000 3,650 3,410 3,490 1,780 1,040 1,090 1,620
19 1,610 1,870 2,230 3,370 3,990 3,660 3,420 3,450 1,760 1,010 1,050 1,610
20 1,530 1,960 2,260 3,480 3,980 3,620 3,420 3,440 1,740 979 1,070 1,570
21 1,500 1,940 2,250 3,510 4,020 3,620 3,450 3,430 1,730 959 1,080 1,630
22 1,480 1,960 2,270 3,490 4,010 3,660 3,460 3,390 1,710 963 1,110 1,770
23 1,550 1,940 2,300 3,410 3,960 3,690 3,460 3,370 1,690 967 1,230 1,820
24 1,700 1,900 2,340 3,420 3,990 3,660 3,470 3,360 1,670 953 1,350 1,700
25 1,840 1,890 2,400 3,390 4,070 3,580 3,510 3,330 1,660 935 1,430 1,660
26 1,800 1,890 2,450 3,380 4,120 3,490 3,520 3,280 1,650 940 1,410 1,730
27 1,730 1,840 2,470 3,400 4,190 3,410 3,510 3,230 1,650 944 1,370 1,700
28 1,680 1,850 2,450 3,450 4,210 3,350 3,510 3,190 1,640 936 1,350 1,600
29 1,690 2,360 2,460 3,440 4,260 3,340 3,520 3,120 1,580 927 1,390 1,580
30 1,740   2,530 3,450 4,180 3,370 3,510 3,040 1,530 920 1,440 1,600
31 1,850   2,660   4,040   3,520 2,930   937   1,540