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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 -> 2019-09-30)

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 12,500 11,700 9,420 9,970 15,100 19,900 17,000 12,900 10,300 10,600 12,800 17,300
2 12,000 11,900 9,520 10,000 15,400 20,500 17,200 13,200 9,800 10,400 13,600 18,000
3 12,700 11,900 9,710 10,200 15,600 20,900 17,300 12,900 9,550 10,300 13,900 17,300
4 12,600 11,300 9,670 10,100 15,600 21,000 16,900 12,700 9,700 10,800 14,200 18,200
5 13,200 10,700 9,360 10,500 15,700 20,800 16,400 12,400 9,630 10,900 14,000 18,700
6 13,300 11,100 9,130 10,800 16,000 20,400 15,600 12,200 9,520 10,800 13,500 18,800
7 13,200 11,400 9,120 11,100 16,000 20,400 15,500 12,400 9,320 10,600 13,700 18,200
8 13,500 12,200 9,270 11,300 15,800 20,600 14,800 12,400 9,190 10,500 14,400 18,800
9 13,500 12,600 9,480 11,500 15,800 20,600 14,500 12,700 9,930 10,700 14,400 18,900
10 13,700 11,500 9,670 11,500 15,800 20,300 14,300 12,300 10,400 10,900 15,100 18,100
11 13,400 11,200 9,140 11,700 16,000 20,800 14,500 12,100 10,100 11,200 15,100 17,700
12 13,700 10,800 8,750 12,300 15,900 21,000 14,200 11,800 9,660 11,400 15,400 18,500
13 14,100 10,500 8,730 12,700 16,100 21,300 13,800 11,400 9,630 11,600 15,100 18,700
14 14,200 10,800 8,780 12,800 16,400 21,100 13,500 11,500 9,890 11,700 14,800 18,900
15 13,700 11,300 9,150 12,800 17,400 21,300 13,600 11,500 10,300 11,700 15,500 18,700
16 14,000 11,000 9,650 12,600 18,700 21,400 13,600 11,600 10,200 11,800 15,700 18,100
17 13,500 10,700 9,650 12,500 19,500 21,100 14,000 11,600 10,100 12,100 16,100 17,900
18 12,800 10,300 9,470 12,700 19,800 20,700 13,700 11,800 10,500 12,100 16,400 17,700
19 12,200 10,000 9,410 12,700 19,700 20,200 13,400 11,400 10,300 12,300 16,700 18,000
20 11,800 10,500 9,030 12,900 19,400 19,900 13,200 11,500 10,300 12,100 16,900 17,800
21 11,700 10,800 8,970 13,300 19,600 19,700 13,100 11,800 10,600 11,700 16,900 17,500
22 11,700 10,600 9,160 13,600 20,200 19,400 13,000 11,600 10,900 11,300 16,300 17,600
23 11,900 10,500 9,190 14,100 20,800 19,100 13,100 11,400 10,600 11,300 16,000 17,800
24 12,100 10,400 9,340 14,700 20,800 19,000 12,700 11,400 10,500 11,700 15,800 16,900
25 12,200 10,200 9,680 14,900 20,400 18,500 12,800 11,200 10,700 12,000 16,300 14,900
26 12,200 9,920 9,400 14,600 20,400 18,600 12,700 10,800 10,500 12,100 15,800 14,100
27 12,000 9,810 9,390 14,600 20,200 18,200 12,700 10,300 10,600 12,000 15,300 14,700
28 11,700 9,520 9,360 14,800 20,000 17,600 12,700 10,300 10,800 11,900 15,400 15,300
29 11,800 9,570 9,580 15,000 19,900 17,500 12,600 10,300 11,000 12,100 15,800 15,400
30 11,700   9,410 15,100 19,700 17,200 12,600 10,300 11,000 12,200 16,200 14,600
31 11,600   9,720   19,600   13,100 10,600   12,400   13,600