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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 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 2,099.93 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 -> 2024-09-30)

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 3,790 5,770 6,860 12,800 13,600 10,000 2,320 1,000 815 1,350 2,680 3,570
2 3,740 5,800 6,920 12,700 13,400 9,840 2,330 993 849 1,310 2,750 3,600
3 3,730 5,940 7,140 12,500 13,500 9,600 2,340 1,030 916 1,370 2,840 3,590
4 3,700 6,040 7,370 12,200 13,700 9,310 2,290 979 960 1,450 2,940 3,690
5 3,750 6,270 7,460 11,800 14,100 9,130 2,270 995 1,000 1,480 3,020 3,770
6 3,890 6,630 7,460 11,800 14,600 8,330 2,040 973 1,050 1,640 3,140 3,810
7 3,910 6,880 7,420 11,900 15,300 7,770 2,000 985 1,040 1,700 3,130 3,700
8 3,910 7,110 7,350 12,200 16,000 7,280 2,100 912 1,100 1,700 3,110 3,870
9 3,930 7,510 7,270 12,600 16,500 7,130 2,080 932 1,150 1,720 3,050 4,140
10 4,000 7,880 7,330 13,100 16,600 6,700 2,060 923 1,160 1,750 3,010 4,140
11 4,130 8,370 7,390 13,500 16,300 6,330 1,980 935 1,130 1,800 3,000 4,160
12 4,400 8,670 7,440 13,800 15,700 5,930 1,760 1,040 1,100 1,790 3,040 4,130
13 4,540 8,700 7,560 13,800 15,400 6,070 1,590 1,050 1,170 1,890 3,150 4,090
14 4,810 8,630 7,850 13,600 15,400 6,640 1,530 978 1,160 1,980 3,240 4,080
15 5,020 8,520 8,350 13,400 15,300 6,540 1,490 878 1,140 1,990 3,470 4,070
16 5,090 8,630 9,200 13,200 15,300 6,450 1,520 849 1,160 1,970 3,330 4,060
17 5,160 8,940 10,200 13,000 15,200 6,490 1,490 890 1,150 2,010 3,330 4,090
18 5,180 9,200 11,000 12,800 15,300 6,220 1,430 913 1,150 2,050 3,290 4,140
19 5,190 9,320 11,500 12,700 15,400 5,990 1,340 940 1,240 2,090 3,310 4,180
20 5,300 9,290 11,900 12,600 15,200 5,680 1,210 897 1,280 2,190 3,320 4,240
21 5,370 9,180 12,100 12,700 14,900 5,500 1,110 877 1,300 2,260 3,330 4,180
22 5,380 8,980 12,100 12,700 14,000 5,350 1,170 925 1,310 2,250 3,380 4,160
23 5,310 8,700 12,200 12,800 13,100 5,250 1,160 843 1,320 2,350 3,460 4,170
24 5,330 8,400 12,300 13,000 12,600 4,950 1,190 887 1,340 2,490 3,520 4,110
25 5,340 8,060 12,300 13,200 12,400 4,680 1,200 890 1,320 2,540 3,540 4,060
26 5,400 7,680 12,300 13,500 12,200 4,370 1,140 845 1,350 2,590 3,560 3,970
27 5,430 7,370 12,500 13,800 11,800 4,110 1,130 841 1,390 2,580 3,590 3,860
28 5,480 7,110 12,500 13,700 11,500 3,290 1,060 832 1,460 2,480 3,560 3,900
29 5,600 8,490 12,500 13,600 11,000 2,810 1,020 858 1,380 2,490 3,470 3,990
30 5,720   12,700 13,700 10,300 2,510 1,010 867 1,340 2,610 3,490 3,940
31 5,750   12,800   10,200   1,020 845   2,700   3,860