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USGS Daily Statistics for Oregon

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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 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 -> 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 22,700 18,200 14,700 23,400 14,000 10,500 6,470 5,080 5,320 6,960 10,400 19,000
2 21,900 16,300 15,000 21,900 13,500 10,700 6,300 5,260 5,230 6,740 10,100 20,200
3 20,000 15,000 14,600 20,800 12,900 11,900 6,160 5,450 5,230 6,780 9,720 21,700
4 17,800 14,700 14,600 19,700 12,500 13,200 6,090 5,510 5,250 6,760 9,400 20,400
5 16,400 14,800 15,000 18,900 12,200 14,100 6,030 5,470 5,270 6,810 8,860 19,100
6 15,600 15,400 16,000 19,100 11,800 15,000 5,940 5,490 5,300 6,890 8,830 19,100
7 15,300 15,400 17,100 19,100 11,500 14,400 5,850 5,480 5,370 6,970 8,900 18,700
8 14,500 15,600 17,100 20,800 11,100 13,100 5,800 5,500 5,380 6,900 9,450 18,300
9 14,800 16,500 17,700 23,200 10,800 12,200 5,770 5,470 5,390 6,750 9,880 17,700
10 15,600 17,300 19,400 23,900 11,100 12,000 5,710 5,450 5,320 6,730 10,100 18,300
11 15,800 16,800 20,700 21,700 11,700 11,700 5,650 5,420 5,340 6,770 10,200 19,400
12 16,100 16,800 19,400 20,500 11,900 11,200 5,640 5,390 5,320 6,860 9,960 19,800
13 16,400 17,400 18,700 20,000 11,800 10,400 5,560 5,360 5,360 6,990 9,730 19,800
14 16,700 17,100 19,000 19,100 11,700 9,740 5,480 5,360 5,360 7,360 9,830 20,500
15 16,500 17,900 20,000 18,000 11,600 9,270 5,360 5,340 5,340 7,600 10,700 20,600
16 16,500 19,900 21,100 17,600 11,400 9,020 5,310 5,310 5,380 7,780 10,900 20,000
17 18,600 20,200 22,200 18,300 11,500 8,710 5,300 5,230 5,410 8,060 11,600 20,000
18 22,800 18,900 20,900 18,500 11,400 8,300 5,270 5,190 5,470 8,140 12,400 22,800
19 26,300 18,300 19,300 17,000 11,200 7,960 5,260 5,160 5,500 8,460 14,000 25,100
20 29,100 18,600 17,900 15,800 11,000 7,790 5,470 5,130 5,610 8,230 15,300 25,000
21 29,400 18,700 17,800 15,200 11,000 7,630 5,440 5,110 5,730 8,630 17,500 25,700
22 26,900 19,000 18,900 14,300 11,000 7,440 5,360 5,130 5,630 9,490 17,600 26,700
23 25,900 18,300 19,900 13,400 11,200 7,290 5,300 5,110 5,630 10,100 19,000 26,900
24 25,200 17,400 19,100 12,900 11,200 7,220 5,240 5,150 5,650 9,580 20,000 26,800
25 25,200 17,400 18,000 13,900 11,400 7,270 5,170 5,230 5,740 9,310 20,700 26,400
26 25,600 16,500 16,900 14,700 11,700 7,220 5,140 5,240 5,730 9,280 19,800 24,700
27 24,700 15,300 16,700 15,700 11,800 7,090 5,100 5,250 5,660 9,650 18,500 23,000
28 23,200 14,100 17,300 16,300 11,900 6,880 5,050 5,270 5,680 9,940 18,700 22,000
29 22,100 13,300 18,500 15,700 11,700 6,730 5,000 5,310 5,920 10,300 19,000 23,500
30 21,700   21,500 14,600 11,200 6,600 5,000 5,360 6,710 10,400 19,200 24,200
31 20,600   23,600   10,800   5,010 5,400   10,200   24,100