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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 12305000 KOOTENAI RIVER AT LEONIA, ID


Lincoln County, Montana
Hydrologic Unit Code 17010104
Latitude  48°37'03", Longitude 116°02'47" NAD83
Drainage area 11,740  square miles
Gage datum 1,794.12 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 -> 2021-09-30)

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 12,200 11,400 9,260 9,810 15,200 20,200 17,100 12,700 10,200 10,400 12,700 17,100
2 11,800 11,700 9,340 9,850 15,500 20,700 17,200 13,000 9,700 10,200 13,400 18,000
3 12,400 11,700 9,530 9,990 15,700 21,200 17,300 12,700 9,470 10,200 13,600 17,400
4 12,300 11,100 9,480 9,980 15,700 21,300 16,900 12,500 9,610 10,600 13,900 18,200
5 12,900 10,500 9,190 10,300 15,800 21,100 16,500 12,300 9,540 10,700 13,700 18,600
6 12,900 10,900 8,970 10,600 16,000 20,700 15,700 12,100 9,440 10,600 13,200 18,600
7 12,900 11,400 8,960 10,900 16,100 20,700 15,500 12,200 9,240 10,300 13,300 18,100
8 13,200 12,300 9,110 11,100 15,900 20,800 14,900 12,200 9,130 10,300 14,000 18,600
9 13,200 12,600 9,310 11,300 15,900 20,900 14,600 12,500 9,830 10,400 14,100 18,900
10 13,400 11,500 9,490 11,300 15,900 20,600 14,400 12,100 10,300 10,600 14,900 18,100
11 13,000 11,200 8,980 11,500 16,100 21,000 14,500 12,000 10,000 10,900 14,900 17,800
12 13,300 11,000 8,610 12,100 16,000 21,200 14,200 11,700 9,560 11,100 15,200 18,400
13 13,700 10,700 8,590 12,400 16,400 21,400 13,800 11,200 9,540 11,300 14,900 18,500
14 13,900 10,900 8,640 12,500 17,000 21,300 13,500 11,300 9,760 11,500 14,500 18,800
15 13,400 11,400 8,990 12,500 17,900 21,500 13,600 11,400 10,200 11,400 15,200 18,600
16 13,600 11,100 9,470 12,300 19,200 21,600 13,600 11,500 10,100 11,500 15,400 18,100
17 13,200 10,800 9,470 12,300 20,000 21,300 13,900 11,500 9,980 11,800 16,000 18,000
18 12,500 10,400 9,300 12,500 20,300 20,900 13,600 11,700 10,300 11,800 16,300 17,800
19 11,900 10,200 9,250 12,500 20,100 20,400 13,300 11,300 10,100 12,000 16,600 17,900
20 11,500 10,600 8,890 12,700 19,900 20,100 13,000 11,300 10,200 11,900 16,800 17,600
21 11,400 10,900 8,830 13,100 20,100 19,800 12,900 11,600 10,400 11,400 16,700 17,400
22 11,400 10,700 9,020 13,400 20,600 19,400 12,900 11,500 10,800 11,000 16,100 17,600
23 11,600 10,600 9,050 13,900 21,200 19,100 13,000 11,200 10,400 11,000 15,800 17,900
24 11,900 10,500 9,180 14,500 21,200 19,000 12,600 11,300 10,300 11,400 15,700 17,100
25 12,000 10,300 9,510 14,700 20,800 18,500 12,600 11,100 10,600 11,700 16,200 14,900
26 12,100 10,000 9,240 14,500 20,800 18,600 12,600 10,700 10,400 11,800 15,700 14,100
27 11,900 9,790 9,240 14,500 20,600 18,200 12,600 10,200 10,400 11,700 15,300 14,700
28 11,600 9,430 9,210 14,700 20,400 17,600 12,500 10,200 10,600 11,800 15,400 15,300
29 11,500 9,360 9,430 14,900 20,300 17,500 12,500 10,200 10,800 12,000 15,600 15,300
30 11,500   9,260 15,000 20,200 17,200 12,500 10,200 10,800 12,100 16,000 14,400
31 11,400   9,570   20,100   13,000 10,500   12,400   13,400