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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 12305000 KOOTENAI RIVER AT LEONIA, ID


Boundary County, Idaho
Hydrologic Unit Code 17010104
Latitude  48°37'00.78", Longitude 116°02'57.10" NAD83
Drainage area 11,740  square miles
Gage datum 1,794.75 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 1971-10-01 -> 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 12,300 11,300 9,090 9,690 15,100 20,500 16,800 12,600 10,100 10,200 12,300 17,100
2 11,800 11,500 9,230 9,720 15,500 20,900 16,900 12,800 9,630 9,960 13,000 17,900
3 12,300 11,600 9,430 9,850 15,700 21,200 17,000 12,600 9,400 9,900 13,300 17,400
4 12,200 11,000 9,380 9,850 15,700 21,300 16,600 12,400 9,550 10,300 13,500 18,100
5 12,800 10,400 9,080 10,200 15,900 21,100 16,200 12,100 9,500 10,400 13,300 18,500
6 12,800 10,800 8,840 10,500 16,200 20,800 15,500 11,900 9,400 10,200 12,800 18,700
7 12,800 11,300 8,820 10,700 16,400 20,700 15,300 12,100 9,220 10,000 13,100 18,200
8 13,000 12,000 8,950 10,900 16,100 20,700 14,700 12,100 9,110 9,950 13,800 18,700
9 13,100 12,300 9,130 11,100 16,000 20,700 14,500 12,300 9,770 10,100 14,100 18,800
10 13,200 11,400 9,290 11,100 16,000 20,500 14,300 12,000 10,200 10,300 14,900 18,000
11 12,900 11,100 8,810 11,400 16,100 20,900 14,400 11,900 9,940 10,500 14,900 17,800
12 13,300 10,800 8,460 11,900 16,100 21,100 14,100 11,500 9,520 10,800 15,100 18,600
13 13,700 10,500 8,440 12,200 16,400 21,300 13,600 11,200 9,500 10,900 14,700 18,800
14 13,800 10,800 8,490 12,300 17,100 21,200 13,400 11,200 9,720 11,100 14,400 19,100
15 13,400 11,300 8,820 12,300 18,100 21,300 13,500 11,300 10,100 11,000 15,200 18,800
16 13,600 11,000 9,290 12,100 19,500 21,300 13,500 11,400 10,000 11,100 15,200 18,300
17 13,300 10,800 9,290 12,100 20,600 21,000 13,800 11,400 9,910 11,400 15,700 18,100
18 12,700 10,400 9,140 12,200 20,900 20,600 13,500 11,600 10,300 11,400 16,100 18,000
19 12,100 10,000 9,100 12,300 20,700 20,100 13,200 11,100 10,000 11,500 16,400 18,200
20 11,700 10,400 8,780 12,400 20,400 19,800 12,900 11,200 10,100 11,400 16,600 18,000
21 11,500 10,800 8,740 12,800 20,600 19,500 12,800 11,500 10,300 11,000 16,600 17,800
22 11,500 10,600 8,920 13,100 21,100 19,100 12,700 11,300 10,700 10,700 16,000 18,000
23 11,800 10,600 8,940 13,500 21,600 18,800 12,800 11,100 10,300 10,700 15,600 18,200
24 12,100 10,500 9,080 14,200 21,400 18,700 12,500 11,100 10,200 11,000 15,500 17,300
25 12,200 10,300 9,400 14,300 21,100 18,200 12,500 11,000 10,400 11,300 16,000 15,100
26 12,300 9,960 9,140 14,200 21,000 18,300 12,500 10,600 10,200 11,400 15,500 14,300
27 12,000 9,630 9,130 14,200 20,900 17,900 12,500 10,100 10,300 11,300 15,200 15,000
28 11,600 9,240 9,120 14,500 20,700 17,300 12,400 10,100 10,400 11,400 15,300 15,500
29 11,500 9,140 9,350 14,700 20,600 17,300 12,300 10,100 10,600 11,700 15,600 15,400
30 11,500   9,200 14,900 20,500 17,000 12,400 10,100 10,700 11,800 15,900 14,400
31 11,300   9,480   20,400   12,800 10,400   12,000   13,400