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USGS 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 12417650 SPOKANE RIVER BLW BLACKWELL NR COEUR D ALENE ID


Kootenai County, Idaho
Hydrologic Unit Code 17010305
Latitude  47°41'41", Longitude 116°48'55" NAD83
Drainage area 3,702  square miles
Contributing drainage area 3,702  square miles
Gage datum 2,099.93 feet above NAVD88
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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 2013-10-01 -> 2025-09-30)

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 3,960 5,830 7,070 12,600 12,900 9,490 2,390 989 817 1,360 2,630 3,600
2 3,890 5,890 7,160 12,500 12,700 9,340 2,350 986 848 1,320 2,700 3,620
3 3,850 6,050 7,370 12,300 12,800 9,320 2,320 1,030 935 1,380 2,790 3,610
4 3,830 6,180 7,570 12,000 13,000 9,220 2,260 975 969 1,450 2,890 3,700
5 3,870 6,400 7,630 11,600 13,300 8,990 2,200 995 1,020 1,480 2,990 3,760
6 3,990 6,740 7,600 11,600 13,800 8,150 1,990 974 1,070 1,620 3,120 3,800
7 3,990 6,980 7,520 11,700 14,400 7,620 1,950 981 1,050 1,670 3,140 3,730
8 3,970 7,180 7,420 12,000 14,900 7,170 2,030 928 1,110 1,650 3,140 3,880
9 3,980 7,540 7,310 12,400 15,300 7,060 2,020 950 1,150 1,670 3,090 4,100
10 4,020 7,870 7,340 12,900 15,400 6,640 2,010 937 1,150 1,700 3,050 4,100
11 4,100 8,300 7,360 13,200 15,100 6,280 1,980 935 1,130 1,760 3,050 4,110
12 4,280 8,560 7,400 13,500 14,500 5,830 1,740 1,010 1,110 1,760 3,070 4,050
13 4,350 8,580 7,510 13,500 14,300 5,900 1,570 1,040 1,180 1,850 3,170 4,020
14 4,570 8,540 7,770 13,300 14,300 6,390 1,500 973 1,150 1,930 3,220 4,010
15 4,740 8,460 8,220 13,200 14,300 6,280 1,460 878 1,140 1,930 3,380 3,990
16 4,800 8,560 8,980 13,000 14,400 6,200 1,450 854 1,160 1,930 3,270 3,970
17 4,840 8,820 9,920 12,800 14,400 6,200 1,430 899 1,150 1,960 3,270 3,980
18 4,880 9,010 10,600 12,500 14,500 5,940 1,380 918 1,160 1,990 3,230 4,020
19 4,870 9,080 11,100 12,200 14,600 5,720 1,300 934 1,260 2,030 3,260 4,060
20 4,960 9,040 11,500 12,200 14,500 5,440 1,190 894 1,290 2,130 3,260 4,110
21 5,030 8,920 11,700 12,200 14,200 5,240 1,110 881 1,310 2,200 3,270 4,060
22 5,040 8,730 11,800 12,200 13,400 5,100 1,140 936 1,300 2,210 3,340 4,040
23 4,980 8,460 11,900 12,200 12,500 5,030 1,140 844 1,300 2,290 3,440 4,060
24 5,000 8,190 12,000 12,400 11,800 4,750 1,170 881 1,330 2,430 3,490 4,030
25 5,040 7,890 12,200 12,500 11,600 4,480 1,190 885 1,320 2,460 3,500 4,000
26 5,120 7,560 12,200 12,800 11,500 4,140 1,120 833 1,360 2,500 3,520 3,940
27 5,180 7,360 12,300 13,000 11,100 3,900 1,110 844 1,380 2,510 3,550 3,890
28 5,270 7,190 12,400 12,900 10,800 3,170 1,040 826 1,450 2,440 3,550 3,950
29 5,450 8,460 12,400 12,900 10,400 2,730 1,010 847 1,390 2,460 3,490 4,030
30 5,650   12,500 13,000 9,700 2,500 1,010 852 1,350 2,570 3,510 4,080
31 5,770   12,600   9,610   1,000 838   2,650   4,020