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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 -> 2023-09-30)

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 40,500 32,800 33,700 21,400 17,300 9,980 6,080 6,210 8,650 16,300 40,000
2 46,200 40,800 32,300 33,200 21,400 17,100 9,720 6,070 6,370 8,680 16,800 39,900
3 45,200 41,300 32,400 31,300 21,700 17,000 9,480 6,060 6,530 8,840 17,700 40,900
4 44,900 40,300 31,800 29,600 21,900 16,800 9,230 6,050 6,620 9,140 17,700 41,400
5 45,400 39,400 31,000 28,200 22,100 16,800 8,950 6,020 6,710 9,360 18,000 41,700
6 45,200 40,000 30,900 27,700 22,500 16,800 8,650 5,990 6,730 9,480 17,900 41,400
7 47,000 41,700 31,000 27,500 22,800 16,800 8,380 5,980 6,830 9,510 18,300 42,300
8 48,100 42,700 30,700 27,200 22,700 17,000 8,190 5,940 6,870 9,760 19,200 41,900
9 47,200 42,000 30,500 27,300 22,400 17,200 8,010 5,930 6,980 9,870 20,700 40,100
10 46,100 40,000 31,100 27,400 22,100 17,100 7,890 5,910 7,080 10,200 21,300 39,100
11 45,600 37,900 31,300 27,200 21,800 16,700 7,710 5,890 7,160 10,300 21,300 39,400
12 45,500 36,800 31,300 27,100 21,500 16,000 7,530 5,860 7,200 10,500 21,600 40,500
13 46,400 36,100 31,600 27,000 21,000 15,500 7,370 5,850 7,260 10,400 22,500 41,300
14 47,400 36,000 31,800 27,100 20,900 15,000 7,240 5,880 7,260 10,300 23,200 42,000
15 47,900 35,700 31,600 27,100 20,800 14,500 7,110 5,900 7,270 10,300 24,200 42,000
16 47,500 36,400 31,700 27,400 20,600 14,100 7,010 5,940 7,410 10,400 26,000 41,300
17 46,900 37,900 31,600 27,100 20,500 13,600 6,960 5,990 7,570 10,700 27,900 40,100
18 47,300 38,900 31,300 26,400 20,600 13,100 6,980 6,030 7,710 11,100 29,000 39,300
19 48,700 39,600 31,300 25,400 20,800 12,700 6,890 6,030 7,760 11,400 29,800 39,600
20 48,800 39,200 31,100 24,800 20,700 12,500 6,770 6,050 7,830 11,700 31,800 41,400
21 47,500 38,200 30,800 24,800 20,500 12,400 6,670 6,060 7,830 12,100 33,300 44,200
22 46,500 37,800 30,400 24,500 20,200 12,200 6,560 6,030 7,820 12,500 33,600 46,500
23 45,800 37,900 30,800 24,000 19,800 11,900 6,500 6,050 7,770 13,100 35,200 47,400
24 46,300 37,000 30,900 23,800 19,200 11,500 6,450 6,100 7,810 13,300 37,500 45,700
25 46,300 36,900 30,900 23,900 18,700 11,100 6,390 6,150 7,840 13,600 40,700 43,400
26 45,500 36,100 31,000 23,600 18,600 11,000 6,320 6,140 7,920 13,400 41,200 41,300
27 44,800 34,900 31,100 23,100 18,700 10,800 6,260 6,190 8,090 13,200 40,600 41,400
28 45,100 33,900 30,800 23,000 18,500 10,600 6,230 6,170 8,190 13,500 39,700 42,500
29 45,100 35,500 30,600 22,600 18,200 10,500 6,220 6,140 8,250 14,100 39,100 44,700
30 43,400   31,600 21,800 18,000 10,300 6,190 6,150 8,610 14,500 39,800 47,400
31 41,700   32,800   17,700   6,110 6,170   15,200   47,900