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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 -> 2020-09-30)

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 11,500 9,340 9,890 15,300 20,200 16,900 12,800 10,200 10,500 12,900 17,100
2 11,900 11,800 9,430 9,930 15,500 20,700 17,000 13,000 9,730 10,200 13,500 17,900
3 12,500 11,800 9,620 10,100 15,700 21,200 17,100 12,800 9,490 10,200 13,800 17,300
4 12,500 11,200 9,580 10,000 15,700 21,300 16,700 12,600 9,630 10,700 14,100 18,100
5 13,100 10,600 9,280 10,400 15,700 21,100 16,300 12,300 9,560 10,800 13,800 18,600
6 13,100 11,000 9,050 10,700 16,000 20,700 15,500 12,100 9,450 10,700 13,300 18,700
7 13,100 11,500 9,040 11,000 16,100 20,700 15,300 12,300 9,260 10,400 13,500 18,100
8 13,400 12,400 9,190 11,200 15,900 20,800 14,700 12,300 9,140 10,400 14,200 18,500
9 13,400 12,700 9,400 11,400 15,900 20,900 14,400 12,500 9,860 10,500 14,200 18,800
10 13,500 11,700 9,580 11,400 16,000 20,600 14,200 12,200 10,300 10,800 14,900 18,000
11 13,200 11,400 9,060 11,600 16,200 21,000 14,300 12,100 10,000 11,000 14,900 17,700
12 13,500 11,000 8,680 12,200 16,100 21,200 14,100 11,700 9,590 11,300 15,200 18,400
13 13,900 10,700 8,660 12,600 16,400 21,400 13,600 11,300 9,570 11,400 14,900 18,600
14 14,000 11,000 8,710 12,600 16,800 21,300 13,400 11,400 9,820 11,600 14,600 18,800
15 13,600 11,500 9,070 12,700 17,700 21,500 13,400 11,500 10,200 11,600 15,300 18,500
16 13,800 11,200 9,560 12,500 18,900 21,600 13,500 11,500 10,200 11,600 15,400 18,000
17 13,300 10,900 9,560 12,400 19,800 21,100 13,900 11,600 10,000 12,000 15,900 17,900
18 12,700 10,500 9,380 12,600 20,000 20,700 13,600 11,800 10,400 11,900 16,200 17,700
19 12,100 10,300 9,330 12,600 19,900 20,200 13,300 11,300 10,200 12,100 16,500 17,900
20 11,600 10,700 8,950 12,800 19,700 19,900 13,100 11,400 10,200 12,000 16,700 17,700
21 11,500 11,000 8,890 13,200 19,900 19,600 13,000 11,700 10,500 11,500 16,700 17,400
22 11,600 10,800 9,080 13,500 20,500 19,300 12,900 11,500 10,900 11,200 16,100 17,400
23 11,800 10,700 9,110 14,000 21,000 19,000 13,000 11,300 10,500 11,200 15,700 17,700
24 12,000 10,600 9,250 14,700 20,900 18,900 12,600 11,300 10,400 11,600 15,600 16,900
25 12,100 10,400 9,590 14,800 20,600 18,400 12,700 11,200 10,600 11,800 16,100 14,800
26 12,100 10,100 9,310 14,600 20,600 18,400 12,600 10,700 10,400 11,900 15,600 14,100
27 11,900 9,890 9,310 14,600 20,500 18,000 12,600 10,300 10,500 11,900 15,200 14,800
28 11,600 9,520 9,280 14,800 20,200 17,400 12,600 10,300 10,700 11,900 15,200 15,300
29 11,600 9,360 9,500 15,000 20,100 17,300 12,500 10,200 10,900 12,200 15,600 15,300
30 11,600   9,330 15,100 20,000 17,000 12,500 10,200 10,900 12,300 16,100 14,400
31 11,500   9,640   20,000   13,000 10,500   12,500   13,500