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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 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 -> 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 46,900 40,900 32,800 34,100 21,400 17,300 9,950 6,070 6,210 8,640 16,400 40,300
2 46,300 41,100 32,300 33,500 21,400 17,100 9,700 6,070 6,360 8,660 16,900 40,200
3 45,000 41,700 32,400 31,600 21,700 17,100 9,460 6,050 6,510 8,830 17,800 41,400
4 44,500 40,500 31,800 29,900 21,900 16,900 9,200 6,040 6,600 9,140 17,800 41,900
5 44,800 39,700 31,100 28,400 22,000 16,900 8,920 6,010 6,680 9,360 18,100 42,200
6 44,400 40,400 31,000 27,900 22,400 16,800 8,620 5,980 6,710 9,480 17,900 41,900
7 46,200 42,200 31,200 27,700 22,500 16,700 8,350 5,970 6,800 9,510 18,400 42,800
8 47,400 43,200 30,900 27,400 22,300 16,900 8,170 5,940 6,850 9,760 19,300 42,400
9 46,700 42,500 30,700 27,500 22,000 17,200 7,990 5,920 6,960 9,880 20,800 40,600
10 45,800 40,500 31,300 27,600 21,700 17,200 7,870 5,900 7,060 10,200 21,500 39,500
11 45,400 38,300 31,600 27,500 21,500 16,600 7,690 5,880 7,150 10,300 21,400 39,800
12 45,300 37,200 31,600 27,300 21,300 15,700 7,510 5,850 7,180 10,500 21,500 40,800
13 46,100 36,400 31,900 27,200 20,900 15,100 7,350 5,840 7,250 10,400 22,400 41,500
14 46,900 36,000 32,100 27,300 20,700 14,500 7,220 5,870 7,250 10,300 23,100 42,100
15 47,500 35,700 31,900 27,300 20,500 14,000 7,100 5,890 7,260 10,200 24,100 42,100
16 47,300 36,400 31,900 27,600 20,200 13,700 6,990 5,930 7,410 10,400 25,900 41,500
17 46,800 38,000 31,800 27,300 20,200 13,400 6,950 5,980 7,570 10,700 27,800 40,300
18 47,300 39,100 31,500 26,600 20,500 13,000 6,970 6,020 7,700 11,100 29,000 39,400
19 48,700 39,800 31,600 25,500 20,700 12,600 6,890 6,020 7,750 11,400 29,800 39,700
20 48,900 39,300 31,400 24,900 20,700 12,400 6,760 6,050 7,810 11,700 31,700 41,000
21 47,600 38,300 31,100 24,900 20,500 12,300 6,660 6,060 7,820 12,200 33,400 43,400
22 46,600 37,900 30,600 24,600 20,300 12,100 6,550 6,020 7,810 12,600 33,700 45,600
23 46,000 38,100 31,100 24,000 19,900 11,800 6,500 6,040 7,770 13,200 35,400 46,700
24 46,500 37,200 31,200 23,900 19,300 11,400 6,440 6,090 7,810 13,400 37,700 45,100
25 46,600 37,200 31,100 24,000 18,800 11,100 6,380 6,150 7,840 13,600 41,000 42,900
26 45,800 36,400 31,200 23,700 18,700 10,900 6,320 6,140 7,920 13,400 41,600 40,900
27 45,200 35,200 31,300 23,200 18,700 10,800 6,260 6,190 8,090 13,200 40,900 41,100
28 45,500 34,100 31,000 23,100 18,600 10,600 6,230 6,170 8,180 13,500 40,000 42,300
29 45,500 35,500 30,900 22,700 18,200 10,400 6,220 6,130 8,220 14,100 39,300 44,600
30 43,800   31,900 21,900 18,000 10,300 6,180 6,140 8,590 14,500 40,100 47,500
31 42,100   33,100   17,700   6,100 6,170   15,300   48,000