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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 14231000 COWLITZ RIVER AT RANDLE, WA


Lewis County, Washington
Hydrologic Unit Code 17080004
Latitude  46°31'55", Longitude 121°57'25" NAD83
Drainage area 541  square miles
Gage datum 880 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 25 - 26 years of record in, ft3/s   (Calculation Period 1993-10-01 -> 2019-09-30)

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 3,790 4,810 2,460 3,380 3,730 5,020 3,370 1,350 783 1,190 3,440 4,390
2 3,650 3,990 2,480 3,210 3,760 5,040 3,210 1,320 748 936 2,990 4,160
3 3,680 3,460 2,570 3,050 3,850 5,000 3,140 1,280 735 939 2,570 3,670
4 3,370 3,260 2,660 2,950 3,940 4,880 2,980 1,250 716 989 2,420 3,810
5 3,590 3,240 2,620 2,950 4,200 4,850 2,790 1,260 691 1,070 2,290 3,460
6 3,520 3,310 2,800 3,010 4,170 4,810 2,750 1,250 724 857 3,180 3,070
7 4,260 3,890 2,700 3,010 4,140 4,620 2,780 1,240 732 808 3,590 2,920
8 5,150 4,180 2,490 3,150 4,150 4,450 2,750 1,180 707 861 3,410 3,100
9 4,350 4,260 2,750 3,220 4,170 4,250 2,760 1,130 686 950 3,080 3,330
10 3,890 3,760 3,020 3,170 4,110 4,160 2,710 1,090 674 1,030 2,430 3,480
11 3,790 3,200 3,090 3,160 4,080 4,110 2,590 1,060 699 1,150 2,680 3,890
12 3,600 2,920 3,460 3,100 4,150 4,150 2,480 1,040 678 1,060 3,560 3,700
13 3,660 2,800 3,550 3,240 4,230 4,350 2,390 1,060 681 1,020 4,210 4,180
14 3,780 2,700 3,470 3,640 4,400 4,370 2,290 1,030 747 1,160 4,310 4,030
15 3,940 3,150 3,800 3,460 4,980 4,320 2,170 1,010 778 1,230 3,600 3,820
16 4,120 3,540 3,830 3,190 5,340 4,270 2,110 974 835 1,280 3,370 3,680
17 4,210 3,300 3,460 3,190 5,330 4,080 2,080 954 952 1,310 3,520 3,630
18 5,040 3,200 3,300 3,180 5,320 4,010 2,040 939 1,040 1,430 3,700 3,480
19 4,920 3,510 3,800 3,210 5,190 3,840 1,980 925 994 1,340 3,570 3,220
20 4,040 3,570 3,770 3,570 5,020 3,690 1,920 929 924 1,510 3,610 3,240
21 3,690 3,210 3,300 3,670 4,810 3,690 1,880 927 882 1,730 3,530 3,370
22 3,500 3,410 3,110 3,570 4,790 3,730 1,830 901 804 2,040 3,660 3,160
23 3,350 3,150 3,040 3,610 4,870 3,720 1,760 883 775 1,800 3,910 2,960
24 3,280 2,810 3,040 3,940 4,990 3,640 1,720 867 755 1,510 4,170 3,200
25 3,260 2,640 3,320 3,790 4,920 3,610 1,670 943 724 1,360 4,580 2,920
26 3,350 2,460 3,120 3,730 4,770 3,510 1,620 937 702 1,500 5,150 2,730
27 3,230 2,360 3,020 3,770 4,800 3,420 1,570 908 767 1,830 4,220 2,970
28 3,020 2,420 2,990 3,740 4,930 3,490 1,530 870 776 1,740 4,590 3,410
29 3,190 2,780 2,930 3,670 5,040 3,660 1,510 860 925 2,070 4,540 3,880
30 3,750   3,080 3,680 5,030 3,530 1,470 838 1,150 2,450 4,460 4,500
31 4,480   3,330   4,880   1,400 804   3,680   4,000