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USGS Daily Statistics for Washington

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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 12426000 SPOKANE RIVER BELOW NINE MILE DAM AT SPOKANE, WA


Spokane County, Washington
Hydrologic Unit Code 17010307
Latitude  47°46'50", Longitude 117°32'40" NAD27
Drainage area 5,220  square miles
Gage datum 1,550 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 1947-10-01 -> 2020-09-30)

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 4,440 6,020 10,500 14,300 21,900 20,600 5,740 2,290 1,530 1,940 3,460 5,180
2 4,340 6,350 10,300 14,400 21,300 18,200 5,280 2,220 1,720 1,730 3,390 5,030
3 4,340 6,800 10,200 14,700 21,000 17,600 5,230 2,210 1,460 1,720 3,600 4,650
4 4,300 6,950 10,800 14,800 21,000 16,900 4,950 2,100 1,260 2,090 3,570 4,540
5 4,260 7,330 10,700 14,800 20,800 16,400 4,890 2,040 1,240 2,200 3,510 4,530
6 4,150 7,440 10,500 14,900 20,700 15,600 4,640 1,980 1,280 2,330 3,550 4,790
7 4,000 8,400 10,300 15,200 20,600 15,100 4,570 1,940 1,480 2,380 3,410 4,960
8 4,000 8,700 10,300 15,800 21,000 14,500 4,550 1,820 1,530 2,370 3,620 4,620
9 4,460 8,970 10,500 16,200 21,900 13,800 4,320 1,750 1,800 2,290 3,680 4,500
10 5,040 9,900 10,900 17,000 22,200 13,100 3,950 1,840 1,560 2,240 3,670 4,710
11 5,020 9,750 10,800 17,200 22,200 12,500 4,100 1,950 1,350 2,530 3,530 4,680
12 5,020 9,530 10,400 17,400 22,600 11,800 3,850 1,960 1,320 2,520 3,790 4,350
13 5,500 9,500 10,300 17,800 23,100 11,300 3,410 1,800 1,570 2,610 3,380 4,560
14 5,500 9,420 10,600 18,100 23,700 10,500 2,790 1,590 1,430 2,910 3,460 4,700
15 5,270 9,160 11,100 18,200 24,400 10,300 2,630 1,770 1,520 2,780 3,760 4,650
16 5,250 9,860 11,500 18,400 24,800 9,860 2,490 1,740 1,600 2,790 3,770 4,680
17 5,360 10,800 12,400 18,600 25,200 9,670 2,350 1,550 1,480 2,620 3,710 4,670
18 5,310 10,600 13,400 18,900 25,400 9,370 2,260 1,550 1,420 2,470 3,830 4,680
19 5,390 10,500 14,000 19,300 25,500 9,070 2,160 1,610 1,250 2,650 3,860 4,940
20 5,420 10,000 14,300 19,700 25,400 8,890 2,370 1,660 1,590 2,850 3,560 5,240
21 5,480 10,000 14,700 20,200 25,000 8,820 2,560 1,390 1,620 2,820 3,660 5,010
22 5,580 10,000 14,900 20,700 24,500 8,700 2,480 1,490 1,780 2,910 4,200 4,900
23 5,900 10,600 15,400 21,200 24,800 8,420 2,360 1,510 1,820 2,680 4,210 4,800
24 6,740 10,600 15,400 21,600 24,700 8,230 1,990 1,560 1,870 2,640 4,260 4,690
25 7,220 11,200 15,400 22,000 24,500 7,960 2,080 1,780 1,680 2,810 4,280 4,550
26 6,920 11,700 15,400 22,200 23,800 7,590 2,020 1,420 1,630 2,840 4,310 4,410
27 6,220 11,100 15,200 22,300 23,400 7,420 2,040 1,360 2,050 2,900 4,100 4,300
28 6,190 10,700 15,000 22,300 22,900 7,230 2,090 1,200 1,940 3,090 4,540 4,260
29 6,140 5,000 14,800 22,300 22,400 7,030 2,230 1,290 1,970 3,070 4,920 4,270
30 6,070   14,800 22,100 21,400 6,640 2,230 1,520 1,810 2,940 4,890 4,990
31 5,990   14,400   21,100   2,180 1,450   3,210   4,850