Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

* We've detected you're using a mobile device. Find our mobile dedicated web site here.
Click to hideNews Bulletins

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 14238000 COWLITZ RIVER BELOW MAYFIELD DAM, WA


Lewis County, Washington
Hydrologic Unit Code 17080005
Latitude  46°30'38", Longitude 122°36'54" NAD27
Drainage area 1,400  square miles
Gage datum 226.60 feet above NGVD29
Output formats
HTML table of all data
Tab-separated data
Reselect output format

00060, Discharge, cubic feet per second,
Day of
month
Mean of daily mean values for each day for 84 - 85 years of record in, ft3/s   (Calculation Period 1933-10-01 -> 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 8,600 8,950 6,930 6,470 6,880 7,270 5,700 3,110 2,520 2,910 4,910 10,100
2 8,790 8,500 6,840 6,620 6,990 7,160 5,480 3,040 2,570 2,930 4,860 10,300
3 8,750 8,170 6,870 6,460 7,000 7,230 5,280 2,970 2,570 3,080 5,050 10,400
4 8,890 8,540 6,840 6,470 7,050 7,270 5,000 2,870 2,580 3,040 5,250 10,800
5 8,970 8,500 6,820 6,440 7,120 7,360 4,970 2,810 2,630 3,070 5,540 10,600
6 8,690 8,500 6,720 6,480 7,220 7,310 4,960 2,810 2,610 3,080 5,790 10,000
7 9,000 8,810 6,560 6,580 7,160 7,440 4,920 2,830 2,590 3,140 6,050 9,950
8 8,970 8,800 6,430 6,540 7,130 7,530 4,940 2,800 2,640 3,180 6,420 9,650
9 8,820 8,640 6,570 6,520 7,080 7,660 4,950 2,770 2,610 3,330 6,440 9,770
10 8,810 8,750 6,750 6,550 7,100 7,670 4,830 2,750 2,640 3,560 6,350 10,100
11 8,550 8,370 6,730 6,480 7,130 7,560 4,690 2,770 2,660 3,610 6,420 10,300
12 8,750 8,110 6,800 6,460 7,190 7,460 4,620 2,720 2,620 3,580 6,610 10,700
13 8,880 7,870 6,810 6,390 7,300 7,360 4,560 2,700 2,550 3,560 6,760 10,700
14 8,950 7,680 6,730 6,520 7,370 7,240 4,540 2,740 2,570 3,530 6,790 10,400
15 9,200 7,710 6,790 6,720 7,270 7,260 4,540 2,680 2,640 3,470 7,030 10,200
16 9,380 7,760 6,800 6,770 7,240 7,340 4,390 2,720 2,640 3,500 7,090 10,200
17 9,200 7,700 6,780 6,800 7,300 7,400 4,190 2,680 2,610 3,480 7,160 9,750
18 9,080 7,590 6,680 7,000 7,430 7,190 4,030 2,620 2,620 3,590 7,450 9,530
19 8,970 7,750 6,770 6,970 7,440 7,130 3,960 2,630 2,560 3,670 7,680 9,450
20 8,940 7,810 6,650 7,010 7,610 7,240 3,900 2,620 2,560 3,860 8,000 9,690
21 8,940 7,830 6,530 7,100 7,770 7,060 3,820 2,640 2,600 3,970 8,510 9,580
22 8,860 8,070 6,580 7,130 7,700 6,830 3,780 2,610 2,580 4,020 8,690 9,680
23 8,920 7,930 6,510 6,980 7,630 6,710 3,710 2,590 2,590 4,270 9,170 9,980
24 9,210 8,110 6,440 6,910 7,540 6,620 3,690 2,580 2,590 4,350 10,000 9,580
25 9,390 7,920 6,460 6,810 7,540 6,460 3,630 2,570 2,600 4,640 10,000 9,090
26 9,080 7,840 6,390 6,700 7,490 6,320 3,510 2,560 2,680 4,750 9,990 8,810
27 8,700 7,640 6,390 6,650 7,660 6,230 3,460 2,560 2,750 4,580 10,200 8,950
28 8,690 7,410 6,310 6,730 7,670 6,100 3,400 2,580 2,760 4,730 10,400 9,090
29 8,900 7,530 6,270 6,880 7,560 5,930 3,370 2,600 2,730 4,740 10,100 9,210
30 8,880   6,280 6,900 7,470 5,910 3,360 2,560 2,790 4,750 9,860 9,200
31 8,990   6,250   7,390   3,280 2,550   4,770   8,960