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USGS Surface-Water Daily Statistics for the Nation

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 -> 2024-09-30)

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 4,490 5,550 8,900 13,000 19,100 17,500 4,920 1,970 1,360 1,770 3,100 4,570
2 4,400 5,730 8,850 13,100 18,900 16,100 4,560 1,930 1,480 1,660 3,070 4,530
3 4,370 5,990 9,250 13,300 18,900 15,700 4,510 1,900 1,320 1,650 3,190 4,290
4 4,500 6,060 9,970 13,300 19,100 15,200 4,310 1,820 1,190 1,890 3,250 4,270
5 4,460 6,300 10,100 13,400 19,300 14,900 4,290 1,780 1,170 1,970 3,220 4,270
6 4,370 6,400 10,000 13,500 19,600 14,300 4,060 1,740 1,220 2,060 3,320 4,430
7 4,260 7,070 9,900 13,600 19,700 13,700 3,960 1,700 1,380 2,130 3,290 4,540
8 4,250 7,250 9,890 14,100 20,200 13,200 3,960 1,620 1,410 2,120 3,430 4,340
9 4,600 7,440 9,970 14,300 21,000 12,700 3,830 1,560 1,590 2,070 3,470 4,290
10 5,020 7,990 10,200 14,900 21,300 12,200 3,600 1,620 1,440 2,040 3,460 4,430
11 4,960 7,890 10,000 15,000 21,200 11,700 3,650 1,670 1,330 2,230 3,390 4,410
12 4,890 7,720 9,650 15,300 21,200 11,100 3,410 1,710 1,300 2,230 3,550 4,190
13 5,440 7,670 9,530 15,600 21,300 10,800 3,050 1,610 1,480 2,290 3,370 4,330
14 5,680 7,590 9,890 15,600 21,500 10,700 2,610 1,490 1,400 2,480 3,480 4,410
15 5,520 7,400 10,200 15,600 21,900 10,600 2,470 1,590 1,460 2,410 3,690 4,370
16 5,460 7,850 10,400 15,800 22,100 10,200 2,380 1,540 1,530 2,410 3,700 4,380
17 5,520 8,470 11,000 15,900 22,300 10,100 2,260 1,400 1,460 2,320 3,670 4,370
18 5,460 8,320 11,800 16,100 22,500 9,800 2,190 1,390 1,420 2,250 3,750 4,400
19 5,480 8,250 12,200 16,400 22,700 9,500 2,090 1,430 1,320 2,360 3,770 4,570
20 5,470 7,950 12,500 16,700 22,600 9,260 2,200 1,460 1,540 2,490 3,590 4,800
21 5,680 7,930 12,800 17,100 22,200 9,070 2,290 1,290 1,560 2,510 3,590 4,640
22 5,630 7,930 13,000 17,500 21,600 8,840 2,210 1,360 1,660 2,580 3,920 4,580
23 5,690 8,340 13,400 17,800 21,300 8,530 2,120 1,360 1,700 2,460 3,960 4,520
24 6,540 8,430 13,400 18,100 20,900 8,290 1,910 1,390 1,730 2,630 4,000 4,480
25 6,780 8,820 13,500 18,400 20,300 8,020 1,950 1,530 1,610 2,760 4,030 4,380
26 6,500 9,110 13,500 18,600 19,700 7,570 1,920 1,300 1,580 2,800 4,050 4,310
27 5,970 8,690 13,400 18,900 19,400 7,270 1,900 1,260 1,850 2,830 3,920 4,270
28 5,920 8,460 13,200 19,000 19,200 6,750 1,910 1,160 1,790 2,910 4,220 4,690
29 5,810 5,000 13,200 19,100 18,900 6,200 1,970 1,210 1,810 2,860 4,420 4,580
30 5,670   13,200 19,100 18,200 5,620 1,950 1,360 1,710 2,780 4,410 4,880
31 5,580   13,000   17,900   1,910 1,300   2,940   4,730