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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 -> 2022-09-30)

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 40,700 32,800 33,900 21,300 17,200 9,930 6,070 6,200 8,650 16,300 40,200
2 46,300 41,000 32,200 33,400 21,300 17,100 9,680 6,060 6,360 8,670 16,800 40,100
3 45,200 41,600 32,300 31,500 21,600 17,000 9,430 6,050 6,510 8,830 17,700 41,200
4 44,700 40,500 31,700 29,800 21,800 16,800 9,170 6,040 6,600 9,140 17,700 41,600
5 45,100 39,600 31,000 28,200 21,900 16,800 8,900 6,010 6,680 9,360 18,000 41,900
6 44,800 40,300 30,900 27,800 22,300 16,700 8,600 5,980 6,710 9,480 17,900 41,600
7 46,500 42,000 31,100 27,600 22,400 16,600 8,340 5,970 6,800 9,510 18,300 42,500
8 47,700 43,000 30,800 27,300 22,100 16,900 8,150 5,930 6,840 9,760 19,200 42,100
9 46,900 42,300 30,600 27,400 21,800 17,100 7,980 5,920 6,960 9,870 20,700 40,300
10 45,900 40,300 31,200 27,500 21,500 17,100 7,860 5,900 7,060 10,200 21,300 39,300
11 45,500 38,200 31,400 27,300 21,400 16,500 7,680 5,880 7,140 10,300 21,300 39,600
12 45,400 37,100 31,500 27,100 21,200 15,600 7,500 5,850 7,180 10,500 21,400 40,600
13 46,300 36,400 31,700 27,000 20,800 15,100 7,340 5,840 7,240 10,400 22,300 41,200
14 47,300 36,200 31,900 27,100 20,600 14,500 7,210 5,870 7,240 10,300 23,100 41,900
15 47,800 35,900 31,700 27,100 20,400 14,000 7,090 5,890 7,250 10,300 24,100 41,900
16 47,500 36,600 31,800 27,500 20,100 13,700 6,980 5,930 7,410 10,400 26,000 41,300
17 46,800 38,100 31,700 27,100 20,100 13,400 6,940 5,980 7,570 10,700 27,900 40,200
18 47,300 39,100 31,400 26,500 20,400 12,900 6,960 6,020 7,700 11,100 29,000 39,400
19 48,700 39,800 31,400 25,400 20,600 12,600 6,880 6,020 7,750 11,400 29,900 39,700
20 48,900 39,400 31,200 24,800 20,600 12,300 6,750 6,040 7,830 11,800 31,800 41,100
21 47,500 38,400 30,900 24,700 20,400 12,300 6,650 6,050 7,830 12,200 33,400 43,800
22 46,500 38,000 30,500 24,500 20,100 12,100 6,550 6,020 7,810 12,600 33,700 46,100
23 45,900 38,200 31,000 23,900 19,800 11,800 6,490 6,040 7,770 13,200 35,300 47,100
24 46,300 37,300 31,000 23,700 19,200 11,400 6,440 6,090 7,800 13,400 37,600 45,400
25 46,400 37,200 31,000 23,800 18,700 11,000 6,380 6,140 7,840 13,600 40,900 43,000
26 45,600 36,400 31,100 23,600 18,600 10,900 6,310 6,140 7,910 13,400 41,400 41,000
27 45,000 35,200 31,200 23,100 18,600 10,800 6,250 6,190 8,090 13,200 40,800 41,200
28 45,300 34,100 30,900 23,000 18,500 10,600 6,220 6,160 8,190 13,500 39,800 42,400
29 45,300 35,500 30,700 22,600 18,200 10,400 6,210 6,130 8,250 14,100 39,200 44,700
30 43,600   31,700 21,800 17,900 10,300 6,180 6,140 8,610 14,500 39,900 47,500
31 41,900   32,900   17,600   6,100 6,170   15,200   47,900