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USGS Daily Statistics for Idaho

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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 12308000 KOOTENAI RIVER BEL MOYIE RIVER NR BONNERS FERRY ID


Boundary County, Idaho
Hydrologic Unit Code 17010104
Latitude  48°41'57.48", Longitude 116°11'46.46" NAD83
Gage datum 1,781 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 2009-10-01 -> 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 9,500 6,820 7,330 14,200 22,600 30,900 20,100 12,000 9,350 7,340 7,270 18,300
2 9,290 6,660 7,580 14,200 24,000 30,900 19,800 11,900 8,910 6,660 7,600 19,800
3 9,330 7,060 7,720 14,400 24,300 31,300 19,800 11,700 8,640 6,140 7,450 20,500
4 9,120 7,600 7,800 14,400 24,700 31,200 20,100 11,700 8,360 5,810 7,330 20,900
5 8,920 7,750 8,420 14,600 25,500 31,000 19,900 11,700 8,170 5,590 7,770 20,900
6 8,570 7,990 8,840 15,100 26,400 29,400 19,600 11,600 8,090 5,470 8,400 21,700
7 8,100 9,150 9,080 15,200 27,000 28,600 19,400 11,500 8,090 5,400 8,970 21,500
8 7,900 10,200 9,370 15,700 26,600 28,700 18,600 11,300 8,060 5,350 9,960 21,700
9 7,680 10,200 9,750 16,100 26,300 27,900 17,900 11,200 8,070 5,320 11,500 22,500
10 7,610 9,940 9,820 16,400 25,900 27,400 17,700 11,200 8,010 5,310 12,800 23,100
11 7,790 9,830 9,420 16,700 25,900 26,900 17,400 11,200 7,990 5,260 13,600 22,500
12 8,420 9,500 9,350 17,200 27,100 26,700 17,000 11,200 7,980 5,170 14,400 22,700
13 8,710 9,380 9,560 17,400 27,600 26,100 16,900 11,100 7,990 5,130 14,900 23,100
14 8,600 9,870 9,790 16,700 28,800 25,600 16,800 11,000 7,910 5,210 15,500 23,200
15 8,260 10,400 10,800 16,700 30,200 25,200 16,600 10,900 7,830 5,340 16,600 22,400
16 8,160 10,400 12,800 16,800 32,600 24,300 16,400 10,900 7,830 5,330 16,200 21,600
17 9,280 10,000 12,900 16,800 34,400 23,700 16,000 10,800 7,840 5,360 15,800 21,900
18 10,300 9,680 12,400 16,500 33,400 23,100 15,600 10,800 7,870 5,360 17,100 22,200
19 9,980 9,530 13,100 16,300 32,200 22,500 14,900 10,500 7,950 5,310 18,300 22,700
20 9,550 9,490 12,300 16,300 31,300 22,700 14,300 10,400 7,960 5,300 18,500 22,400
21 8,870 9,660 11,800 17,000 31,500 22,800 13,900 10,400 8,080 5,350 18,200 22,200
22 8,740 9,940 12,500 17,300 32,600 22,300 13,600 10,500 8,060 5,270 17,100 22,000
23 8,990 9,630 12,900 18,000 33,400 21,700 13,300 10,400 7,960 5,270 16,700 21,900
24 9,670 9,360 13,200 19,000 33,300 21,200 13,000 10,300 7,890 5,230 16,700 21,600
25 9,990 9,420 13,700 19,700 32,900 20,900 12,700 10,100 7,870 5,180 16,500 19,300
26 10,300 9,210 13,800 20,000 32,300 20,900 12,400 9,980 7,870 5,180 16,900 18,500
27 9,730 8,290 14,000 20,400 31,900 20,900 12,200 9,900 7,810 5,310 17,000 19,200
28 8,740 7,680 14,000 20,700 32,200 20,900 12,400 9,870 7,780 5,970 17,000 18,700
29 8,400 6,820 14,000 20,800 32,400 20,800 12,400 9,860 7,770 6,690 17,000 16,300
30 8,120   13,800 21,200 31,900 20,400 12,300 9,800 7,710 6,810 16,600 12,900
31 7,510   14,000   31,400   12,200 9,680   6,890   10,700