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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 12417650 SPOKANE RIVER BLW BLACKWELL NR COEUR D ALENE ID


Kootenai County, Idaho
Hydrologic Unit Code 17010305
Latitude  47°41'41", Longitude 116°48'55" NAD83
Drainage area 3,702  square miles
Contributing drainage area 3,702  square miles
Gage datum 2,129 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 2013-10-01 -> 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 3,780 6,870 8,530 14,700 14,100 10,000 2,230 973 794 1,370 3,010 3,750
2 3,750 6,960 8,120 14,500 13,200 9,600 2,200 977 872 1,400 3,120 3,780
3 3,670 7,210 7,730 14,300 12,900 9,150 2,260 1,050 916 1,440 3,170 3,780
4 3,620 7,410 7,450 13,800 12,800 8,750 2,190 1,000 999 1,530 3,210 3,890
5 3,690 7,770 7,210 13,100 12,800 8,290 2,140 1,010 1,050 1,590 3,260 4,060
6 3,830 8,340 7,040 13,100 13,200 7,350 1,980 993 1,060 1,740 3,280 4,100
7 3,810 8,690 6,950 13,300 13,900 6,810 1,990 1,020 1,020 1,820 3,240 3,970
8 3,810 9,060 6,930 13,600 14,500 6,110 2,070 932 1,110 1,870 3,210 4,180
9 3,840 9,720 6,940 14,300 14,900 5,650 1,950 965 1,140 1,890 3,110 4,590
10 3,980 10,300 7,150 15,100 15,100 5,180 1,830 936 1,140 1,910 3,070 4,600
11 4,140 11,000 7,430 15,500 14,900 4,800 1,820 936 1,120 1,990 3,080 4,590
12 4,410 11,500 7,700 15,800 14,700 4,390 1,720 968 1,060 2,030 3,070 4,590
13 4,640 11,600 7,990 15,900 14,800 4,350 1,500 964 1,140 2,150 3,060 4,550
14 4,780 11,500 8,520 15,900 15,100 4,710 1,440 897 1,130 2,260 3,050 4,530
15 4,870 11,300 9,280 15,700 15,100 4,560 1,380 874 1,070 2,280 3,420 4,540
16 4,910 11,500 10,500 15,400 15,200 4,290 1,450 869 1,110 2,250 3,230 4,510
17 4,960 12,000 12,000 15,100 15,000 4,230 1,430 907 1,120 2,270 3,220 4,540
18 5,010 12,400 13,000 14,800 15,000 4,010 1,400 920 1,110 2,340 3,170 4,540
19 5,100 12,500 13,700 14,600 14,900 3,860 1,270 948 1,240 2,390 3,200 4,630
20 5,280 12,500 14,300 14,400 14,700 3,640 1,130 918 1,300 2,490 3,290 4,620
21 5,400 12,300 14,400 14,400 14,400 3,700 1,080 898 1,320 2,560 3,640 4,600
22 5,460 12,000 14,400 14,500 13,900 3,670 1,180 948 1,370 2,540 3,500 4,530
23 5,460 11,600 14,400 14,700 13,400 3,650 1,130 849 1,390 2,500 3,530 4,540
24 5,550 11,100 14,500 14,900 13,200 3,360 1,160 901 1,440 2,480 3,580 4,440
25 5,660 10,600 14,600 15,200 13,700 3,080 1,130 892 1,390 2,490 3,570 4,390
26 5,840 10,000 14,600 15,400 13,600 2,990 1,050 841 1,400 2,560 3,630 4,250
27 5,960 9,520 14,700 15,300 13,000 3,030 1,070 821 1,480 2,620 3,670 4,110
28 6,150 9,070 14,700 14,900 12,200 2,760 1,020 813 1,560 2,620 3,660 4,040
29 6,450 8,490 14,500 14,600 11,300 2,800 1,010 849 1,470 2,680 3,620 4,090
30 6,680   14,600 14,600 10,200 2,470 990 866 1,390 2,860 3,640 3,940
31 6,760   14,700   10,200   972 828   3,000   3,850