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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 14220500 LEWIS RIVER AT ARIEL, WA


Cowlitz County, Washington
Hydrologic Unit Code 17080002
Latitude  45°57'07", Longitude 122°33'46" NAD27
Drainage area 731  square miles
Gage datum 44.00 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 1908-10-01 -> 2024-09-30)

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 7,020 7,960 6,500 6,200 5,280 4,290 2,540 1,320 1,480 2,260 4,440 7,600
2 7,480 7,890 6,500 5,940 5,450 4,340 2,530 1,340 1,390 2,290 4,610 8,690
3 7,590 7,610 6,210 5,600 5,310 4,170 2,380 1,400 1,430 2,350 4,830 8,160
4 7,590 7,310 6,310 5,330 5,340 4,100 1,990 1,310 1,490 2,480 5,000 8,040
5 7,700 7,240 6,420 5,260 5,390 4,180 2,280 1,310 1,550 2,530 5,210 7,600
6 7,790 7,510 6,430 5,230 5,460 4,120 2,420 1,320 1,680 2,550 5,250 7,860
7 8,250 7,540 6,180 5,180 5,300 4,240 2,370 1,300 1,740 2,530 5,440 7,660
8 8,100 7,790 6,080 5,100 5,040 4,220 2,330 1,330 1,740 2,480 5,420 7,470
9 7,670 7,430 6,200 5,090 5,020 4,330 2,250 1,340 1,750 2,470 5,330 7,730
10 7,770 7,180 6,200 5,210 5,000 4,270 2,260 1,360 1,820 2,540 5,300 8,250
11 7,850 7,020 6,230 5,240 4,930 4,090 2,080 1,300 1,830 2,620 5,370 8,510
12 7,910 6,920 6,320 5,120 4,950 3,950 1,990 1,250 1,780 2,680 5,670 8,520
13 7,860 6,820 6,380 5,180 4,960 3,950 2,040 1,210 1,820 2,700 5,590 8,540
14 7,950 6,820 6,250 5,390 4,910 3,810 2,030 1,220 1,960 2,750 5,670 8,490
15 7,990 6,730 6,230 5,340 4,750 3,750 1,990 1,270 1,950 2,690 6,090 7,860
16 8,460 6,570 6,120 5,400 4,860 3,720 1,930 1,300 1,960 3,170 6,220 7,370
17 8,540 6,510 6,110 5,480 4,910 3,610 1,920 1,260 2,020 3,220 6,310 7,460
18 8,350 6,510 6,320 5,390 4,790 3,570 1,840 1,250 2,070 3,170 6,650 7,700
19 8,110 6,710 6,130 5,180 4,710 3,560 1,770 1,260 2,190 3,180 6,670 7,850
20 7,760 6,950 6,110 5,240 4,830 3,520 1,810 1,220 2,150 3,310 7,100 7,950
21 7,720 7,020 5,980 5,240 4,850 3,360 1,740 1,220 2,070 3,320 6,830 8,170
22 7,580 6,830 5,900 5,190 4,820 3,240 1,650 1,220 2,080 3,430 6,750 8,480
23 7,690 6,930 5,760 5,390 4,750 3,180 1,620 1,300 2,050 3,620 7,130 8,120
24 7,800 7,220 5,810 5,350 4,610 3,140 1,570 1,320 2,060 3,520 7,710 7,130
25 7,600 6,990 5,870 5,240 4,400 3,100 1,590 1,330 1,990 3,540 8,470 6,670
26 7,660 7,070 5,840 5,220 4,350 3,070 1,690 1,360 2,110 3,470 8,460 6,910
27 7,470 6,780 5,840 5,120 4,370 2,990 1,600 1,390 2,100 3,410 8,140 7,050
28 7,380 6,620 6,110 5,010 4,380 2,870 1,540 1,430 2,190 3,640 7,670 7,750
29 7,530 8,210 5,940 5,020 4,360 2,800 1,510 1,410 2,170 4,010 7,850 8,180
30 7,550   5,870 5,090 4,120 2,700 1,420 1,450 2,140 4,130 7,530 7,720
31 7,790   6,020   4,310   1,400 1,430   4,170   7,360