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USGS Daily Statistics for Oregon

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 14171600 WILLAMETTE RIVER AT CORVALLIS, OR


Benton County, Oregon
Hydrologic Unit Code 17090003
Latitude  44°33'58.9", Longitude 123°15'24.5" NAD83
Drainage area 4,420  square miles
Gage datum 180 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 2009-10-01 -> 2021-09-30)

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 21,400 19,700 14,000 21,600 13,500 10,200 6,200 5,160 5,340 6,830 9,500 17,000
2 20,900 17,700 14,200 20,100 13,100 10,300 6,080 5,310 5,260 6,620 9,250 18,000
3 19,600 16,500 13,800 19,100 12,500 11,500 5,950 5,460 5,290 6,620 8,980 19,200
4 18,600 15,900 13,700 18,100 12,100 12,700 5,890 5,500 5,270 6,600 8,760 18,000
5 17,800 15,300 14,000 17,300 11,900 13,600 5,850 5,460 5,290 6,660 8,420 16,800
6 17,100 15,400 14,900 18,300 11,500 14,400 5,770 5,480 5,310 6,730 8,410 16,800
7 16,800 15,400 15,800 18,200 11,100 13,900 5,690 5,480 5,370 6,800 8,510 16,500
8 16,100 15,800 15,700 19,800 10,700 12,800 5,630 5,500 5,390 6,730 8,940 16,200
9 16,500 16,600 16,200 21,900 10,500 11,900 5,600 5,480 5,480 6,610 9,210 15,700
10 17,000 17,100 17,500 22,500 10,800 11,800 5,550 5,460 5,460 6,610 9,280 16,200
11 17,100 16,400 18,500 20,400 11,300 11,500 5,490 5,450 5,490 6,770 9,410 17,100
12 17,900 16,200 17,400 19,300 11,500 10,900 5,480 5,390 5,450 6,860 9,170 17,500
13 19,100 16,900 16,800 18,900 11,500 10,200 5,420 5,350 5,450 6,980 8,980 17,700
14 19,700 17,300 17,000 18,000 11,400 9,570 5,350 5,360 5,430 7,300 9,310 18,600
15 18,700 17,800 17,900 17,000 11,300 9,190 5,270 5,350 5,440 7,520 10,400 18,900
16 18,300 19,700 18,800 16,600 11,100 9,010 5,230 5,330 5,500 7,650 11,000 18,300
17 20,100 20,300 19,700 17,200 11,100 8,740 5,230 5,260 5,540 7,910 11,400 18,400
18 23,200 18,800 18,500 17,400 11,100 8,350 5,210 5,240 5,650 8,010 12,000 21,100
19 25,800 18,300 17,200 16,100 11,000 7,990 5,190 5,220 5,760 8,320 13,400 23,100
20 27,700 18,800 16,100 14,900 10,900 7,780 5,350 5,210 5,790 8,160 14,700 23,400
21 27,600 18,700 16,000 14,400 10,800 7,600 5,320 5,190 5,830 8,430 16,400 25,600
22 25,600 18,700 16,900 13,600 10,900 7,380 5,260 5,190 5,720 9,050 16,400 27,200
23 24,600 17,800 17,800 12,800 11,000 7,200 5,220 5,170 5,720 9,500 17,400 26,800
24 24,200 16,800 17,100 12,500 11,100 7,120 5,180 5,220 5,750 9,070 18,100 26,100
25 24,600 16,500 16,300 13,400 11,200 7,080 5,130 5,290 5,810 8,830 18,600 25,300
26 25,000 15,600 15,300 14,100 11,400 6,970 5,150 5,290 5,790 8,770 18,000 23,700
27 24,300 14,700 15,200 15,000 11,400 6,840 5,120 5,300 5,760 9,040 17,000 22,300
28 23,300 13,600 15,600 15,600 11,500 6,630 5,070 5,310 5,780 9,250 17,100 21,200
29 23,100 11,200 16,600 15,000 11,300 6,450 5,030 5,340 6,000 9,480 17,200 22,200
30 23,100   19,100 14,000 10,800 6,310 5,040 5,380 6,640 9,580 17,300 22,500
31 22,100   21,300   10,500   5,080 5,390   9,380   22,400