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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 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 -> 2025-09-30)

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 21,600 19,600 14,500 19,700 13,700 9,800 6,410 5,010 5,200 6,470 9,290 15,600
2 20,800 17,900 15,000 18,700 13,400 9,800 6,270 5,120 5,160 6,320 9,110 16,500
3 19,800 16,600 14,900 17,900 13,000 10,700 6,180 5,260 5,250 6,320 8,870 17,700
4 19,800 15,900 14,700 17,100 12,800 11,800 6,170 5,280 5,230 6,340 8,720 17,900
5 19,600 15,200 14,600 16,600 13,100 12,300 6,130 5,230 5,220 6,390 8,890 17,100
6 19,300 15,300 15,000 16,700 13,400 12,900 6,000 5,250 5,250 6,480 9,590 16,300
7 19,500 15,200 15,400 16,600 13,700 12,600 5,900 5,240 5,340 6,570 9,730 16,000
8 18,600 15,400 15,100 17,900 13,700 11,700 5,770 5,260 5,380 6,500 9,980 16,100
9 18,400 15,900 15,300 19,300 13,400 11,000 5,730 5,240 5,450 6,390 9,850 15,700
10 19,200 16,200 16,400 19,700 13,000 10,900 5,660 5,240 5,390 6,400 9,660 16,000
11 19,400 15,500 17,400 18,700 12,600 10,900 5,600 5,230 5,400 6,560 9,700 17,100
12 19,800 15,300 16,500 18,300 12,300 11,200 5,570 5,200 5,340 6,710 10,000 18,300
13 20,900 15,800 16,400 17,700 12,100 11,300 5,510 5,150 5,310 6,810 9,610 18,900
14 21,700 16,000 17,000 16,900 12,200 11,100 5,440 5,150 5,290 7,040 9,710 19,600
15 21,300 16,500 17,500 15,900 12,500 10,600 5,310 5,140 5,290 7,210 10,400 19,300
16 20,200 18,200 18,100 15,400 12,300 9,920 5,180 5,120 5,330 7,290 10,800 18,400
17 21,100 19,000 18,600 15,600 12,000 9,170 5,090 5,070 5,360 7,560 10,900 18,100
18 24,000 17,700 17,500 15,700 11,700 8,580 5,040 5,060 5,460 7,750 11,300 19,800
19 26,800 17,100 16,300 14,800 11,400 8,220 5,030 5,040 5,620 8,020 12,300 21,300
20 27,900 17,400 15,400 14,100 11,100 8,110 5,140 5,010 5,730 7,900 13,400 22,500
21 27,100 17,200 15,300 14,000 10,900 7,880 5,130 5,010 5,690 8,100 14,700 24,700
22 25,400 17,200 16,000 13,600 10,700 7,620 5,100 5,010 5,590 8,610 14,700 25,700
23 24,800 16,400 16,600 13,000 10,700 7,420 5,050 4,990 5,580 9,170 15,400 25,000
24 24,300 15,400 16,100 12,900 10,600 7,320 5,050 5,040 5,570 8,940 16,000 24,600
25 24,600 15,100 15,400 13,600 10,500 7,210 5,060 5,090 5,580 8,770 16,500 24,100
26 24,900 14,300 14,700 14,000 10,600 7,080 5,080 5,090 5,570 8,770 16,100 23,000
27 24,200 13,600 14,500 14,600 10,600 6,950 5,060 5,140 5,560 9,030 15,300 21,900
28 23,500 12,900 15,000 15,000 10,600 6,760 4,990 5,150 5,610 9,160 15,400 21,600
29 23,100 12,800 16,000 14,500 10,400 6,650 4,920 5,170 5,830 9,280 15,600 22,400
30 22,700   17,900 13,900 10,400 6,520 4,920 5,190 6,300 9,410 15,600 22,300
31 21,600   19,500   10,100   4,950 5,210   9,230   22,500