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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 14191000 WILLAMETTE RIVER AT SALEM, OR


Marion County, Oregon
Hydrologic Unit Code 17090007
Latitude  44°56'40", Longitude 123°02'30" NAD27
Drainage area 7,280  square miles
Gage datum 106.14 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 1909-10-01 -> 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 47,200 40,500 33,000 34,100 21,500 17,400 9,980 6,040 6,180 8,620 16,400 40,700
2 46,500 40,800 32,500 33,600 21,500 17,200 9,730 6,040 6,320 8,640 17,000 40,600
3 45,300 41,500 32,600 31,700 21,700 17,200 9,490 6,020 6,470 8,810 17,900 41,700
4 44,700 40,400 32,000 30,000 21,900 16,900 9,220 6,020 6,560 9,130 17,900 42,200
5 45,000 39,700 31,300 28,400 22,100 16,900 8,940 5,990 6,650 9,350 18,100 42,500
6 44,700 40,500 31,200 28,000 22,500 16,800 8,630 5,960 6,670 9,480 18,000 42,200
7 46,400 42,200 31,400 27,800 22,600 16,800 8,370 5,950 6,770 9,510 18,400 43,100
8 47,600 43,200 31,000 27,500 22,300 17,000 8,170 5,910 6,810 9,770 19,300 42,700
9 46,800 42,500 30,900 27,700 22,000 17,200 8,000 5,890 6,930 9,890 20,900 40,900
10 45,900 40,400 31,500 27,800 21,700 17,200 7,880 5,870 7,020 10,200 21,500 39,800
11 45,400 38,300 31,800 27,600 21,600 16,600 7,700 5,850 7,100 10,300 21,500 40,100
12 45,200 37,200 31,800 27,400 21,400 15,800 7,520 5,820 7,140 10,500 21,600 41,100
13 45,900 36,500 32,100 27,300 21,000 15,200 7,350 5,820 7,210 10,400 22,500 41,800
14 46,800 36,200 32,300 27,400 20,800 14,600 7,220 5,840 7,220 10,300 23,200 42,400
15 47,500 35,900 32,100 27,400 20,600 14,100 7,090 5,860 7,230 10,200 24,200 42,400
16 47,300 36,500 32,100 27,800 20,300 13,700 6,980 5,900 7,380 10,400 26,100 41,700
17 46,800 38,000 32,000 27,400 20,300 13,400 6,940 5,950 7,540 10,800 28,000 40,500
18 47,300 39,200 31,700 26,700 20,600 13,000 6,960 6,000 7,660 11,100 29,200 39,700
19 48,800 39,900 31,800 25,700 20,800 12,600 6,880 6,000 7,690 11,400 30,000 39,900
20 49,000 39,400 31,600 25,100 20,800 12,400 6,750 6,020 7,760 11,700 32,000 41,300
21 47,700 38,400 31,300 25,000 20,600 12,300 6,650 6,030 7,780 12,200 33,600 43,600
22 46,700 38,100 30,800 24,700 20,300 12,100 6,540 5,990 7,780 12,600 33,900 45,800
23 46,100 38,300 31,300 24,200 19,900 11,800 6,490 6,010 7,740 13,200 35,600 46,900
24 46,500 37,400 31,400 23,900 19,300 11,400 6,430 6,070 7,770 13,400 38,000 45,300
25 46,500 37,400 31,300 24,100 18,800 11,100 6,370 6,120 7,800 13,600 41,300 43,100
26 45,700 36,600 31,400 23,800 18,700 10,900 6,300 6,110 7,880 13,400 41,900 41,100
27 45,000 35,400 31,500 23,300 18,800 10,800 6,230 6,170 8,050 13,300 41,200 41,300
28 45,300 34,300 31,200 23,200 18,700 10,600 6,200 6,140 8,150 13,600 40,300 42,600
29 45,100 36,400 31,100 22,800 18,300 10,400 6,190 6,100 8,180 14,200 39,700 45,000
30 43,400   32,000 22,000 18,100 10,300 6,160 6,120 8,560 14,600 40,400 47,800
31 41,600   33,200   17,800   6,080 6,150   15,300   48,300