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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 14233500 COWLITZ RIVER NEAR KOSMOS, WA


Lewis County, Washington
Hydrologic Unit Code 17080005
Latitude  46°27'59", Longitude 122°06'28" NAD27
Drainage area 1,040  square miles
Gage datum 759.29 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 1947-10-01 -> 2022-09-30)

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 5,280 6,970 5,090 4,930 6,510 8,180 5,180 2,400 1,510 1,700 3,590 6,130
2 5,090 6,200 4,860 4,990 6,530 8,430 4,990 2,350 1,500 1,570 3,530 6,830
3 5,190 5,800 4,730 4,940 6,590 8,440 4,900 2,280 1,500 1,610 3,460 7,150
4 5,150 5,650 4,900 4,870 6,680 8,290 4,790 2,220 1,430 1,600 3,800 7,220
5 5,440 5,550 4,880 5,210 6,950 8,420 4,670 2,190 1,500 1,620 3,780 6,330
6 5,480 5,530 5,070 5,410 7,270 8,340 4,600 2,130 1,450 1,510 3,990 5,830
7 6,210 6,070 4,900 5,640 7,450 8,170 4,480 2,100 1,440 1,510 4,580 5,680
8 6,720 6,290 4,690 5,580 7,480 7,870 4,430 2,070 1,420 1,530 4,510 5,470
9 6,290 6,380 4,780 5,580 7,540 7,590 4,370 2,030 1,380 1,720 4,160 5,790
10 6,070 5,930 5,080 5,520 7,640 7,630 4,250 1,960 1,400 1,890 4,170 6,140
11 5,620 5,530 5,020 5,490 7,660 7,560 4,150 1,920 1,400 1,970 4,370 6,250
12 5,620 5,260 5,110 5,520 7,870 7,470 4,070 1,890 1,360 1,930 5,060 6,440
13 5,920 5,290 5,180 5,620 8,000 7,390 4,070 1,840 1,300 1,850 5,350 6,700
14 6,130 5,200 5,070 5,940 8,050 7,230 4,000 1,820 1,330 1,900 5,030 6,510
15 6,700 5,400 5,180 5,890 8,230 7,170 3,860 1,770 1,340 1,920 4,820 6,340
16 7,140 5,740 5,160 5,780 8,350 7,180 3,720 1,760 1,420 1,970 4,730 6,160
17 7,060 5,680 4,930 5,800 8,550 7,050 3,570 1,700 1,440 1,930 4,730 5,880
18 7,140 5,500 4,800 5,790 8,650 6,800 3,510 1,660 1,540 1,980 4,940 5,710
19 7,170 5,860 4,970 5,760 8,630 6,790 3,410 1,660 1,510 2,070 4,850 5,500
20 6,670 6,080 4,900 6,200 8,610 6,760 3,320 1,650 1,520 2,340 5,380 5,820
21 6,400 5,800 4,690 6,280 8,410 6,600 3,200 1,630 1,530 2,420 5,590 6,450
22 5,890 5,730 4,680 6,130 8,340 6,490 3,080 1,620 1,440 2,650 5,540 6,420
23 5,750 5,520 4,850 6,180 8,310 6,330 2,990 1,600 1,450 2,720 5,850 6,310
24 6,140 5,650 4,860 6,390 8,250 6,100 2,950 1,590 1,440 2,500 6,820 6,040
25 6,250 5,480 4,900 6,200 8,210 5,940 2,840 1,600 1,420 2,540 7,630 5,750
26 5,970 5,290 4,760 6,100 8,170 5,710 2,770 1,580 1,440 2,620 7,550 5,770
27 5,590 5,070 4,760 6,120 8,220 5,520 2,730 1,550 1,470 2,750 6,840 5,730
28 5,610 5,140 4,660 6,310 8,270 5,450 2,660 1,550 1,450 2,920 6,580 5,350
29 5,880 6,380 4,620 6,360 8,310 5,490 2,610 1,520 1,530 3,100 6,240 5,310
30 6,240   4,770 6,480 8,360 5,370 2,550 1,540 1,640 3,250 6,030 5,660
31 6,750   4,860   8,170   2,460 1,520   3,650   5,400