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USGS Surface-Water 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°42'02", Longitude 116°11'48" NAD83
Gage datum 1,700 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 -> 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 9,150 6,050 8,490 19,600 26,700 31,800 23,700 13,300 9,860 7,380 6,850 20,400
2 9,560 5,830 8,590 19,600 27,500 33,500 23,300 13,100 9,230 6,570 7,270 22,300
3 10,100 6,650 8,710 20,100 27,600 34,900 23,300 12,900 8,830 5,970 7,190 22,700
4 10,200 7,720 8,840 20,000 28,100 34,500 23,700 12,900 8,290 5,670 7,490 23,900
5 9,830 8,050 9,530 20,200 29,700 34,400 23,400 12,900 7,880 5,530 7,850 24,200
6 9,210 8,270 10,300 21,300 30,500 32,100 23,100 12,800 7,750 5,490 8,450 24,600
7 8,340 9,270 10,900 21,500 31,100 31,200 22,800 12,600 7,750 5,470 9,200 24,600
8 7,950 10,600 11,500 22,100 30,900 32,300 21,400 12,500 7,730 5,500 10,200 25,300
9 7,550 10,600 12,300 22,800 31,000 31,600 20,300 12,500 7,700 5,440 11,500 26,600
10 7,460 10,300 12,500 23,000 30,600 30,500 19,900 12,500 7,620 5,420 12,600 25,900
11 7,590 10,100 11,700 23,200 30,700 29,600 19,600 12,400 7,600 5,340 13,900 23,900
12 8,230 9,470 11,700 23,900 32,000 29,200 19,400 12,400 7,570 5,200 15,500 23,500
13 8,620 9,360 12,300 24,500 32,400 28,400 19,100 12,300 7,570 5,110 16,700 23,700
14 8,330 9,900 12,900 23,500 32,400 27,300 19,000 12,200 7,550 5,260 17,700 24,500
15 7,740 10,400 15,000 23,500 33,500 27,000 18,800 12,000 7,530 5,480 18,400 24,300
16 7,390 10,600 18,600 23,700 36,200 26,400 18,600 11,900 7,540 5,460 18,700 23,100
17 8,970 10,100 18,800 23,600 36,900 25,800 18,300 11,900 7,560 5,470 18,300 22,200
18 10,400 9,530 17,800 23,100 35,000 25,100 17,900 11,900 7,630 5,470 19,300 22,000
19 9,740 9,780 18,900 22,300 33,200 24,400 17,100 11,700 7,710 5,390 20,500 22,900
20 9,150 10,300 17,300 22,000 32,500 25,100 16,200 11,600 7,740 5,360 20,900 22,500
21 8,630 10,100 16,100 23,000 32,800 25,900 15,800 11,600 7,970 5,530 20,400 21,800
22 8,740 10,100 17,300 23,600 35,000 25,900 15,200 11,600 7,940 5,510 18,900 21,900
23 8,850 9,530 18,100 24,300 37,200 25,200 14,700 11,500 7,860 5,500 18,300 22,200
24 9,500 8,800 18,600 25,800 36,700 24,700 14,400 11,400 7,830 5,460 18,800 21,700
25 9,460 8,610 19,000 26,700 36,100 24,600 14,000 11,100 7,820 5,390 18,600 19,300
26 9,450 8,440 19,000 26,900 35,000 24,700 13,700 10,800 7,820 5,400 18,800 18,900
27 8,850 8,640 19,000 26,900 33,700 24,800 13,400 10,700 7,730 5,600 18,600 19,700
28 8,160 8,590 18,900 26,800 33,100 24,800 13,700 10,700 7,630 5,870 18,300 19,400
29 8,170 6,330 18,700 26,200 33,300 24,700 13,600 10,700 7,690 5,800 19,300 16,800
30 8,020   18,300 26,000 32,200 24,200 13,600 10,500 7,700 5,820 18,900 13,100
31 7,050   18,800   31,400   13,500 10,300   6,270   10,300