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USGS Daily Statistics for the Nation

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 12419000 Spokane River near Post Falls, ID


Kootenai County, Idaho
Hydrologic Unit Code 17010305
Latitude  47°42'11", Longitude 116°58'37" NAD27
Drainage area 3,840  square miles
Gage datum 2,003 feet above NGVD29
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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 1912-10-01 -> 2023-09-30)

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 4,980 5,530 7,020 11,000 17,100 14,900 3,820 1,070 850 1,400 2,180 4,150
2 4,990 5,620 7,030 11,300 17,000 14,500 3,540 1,050 878 1,430 2,190 4,200
3 4,960 5,620 7,030 11,500 17,000 14,200 3,290 1,070 909 1,450 2,200 4,290
4 4,870 5,630 7,040 11,700 17,100 13,800 3,120 1,010 907 1,530 2,240 4,510
5 4,880 5,610 7,080 11,900 17,100 13,400 3,050 983 897 1,570 2,330 4,610
6 4,900 5,560 7,100 12,100 17,100 13,000 2,960 959 914 1,580 2,420 4,660
7 4,870 5,610 7,120 12,300 17,200 12,600 2,880 931 946 1,590 2,490 4,580
8 4,880 5,690 7,140 12,500 17,200 12,300 2,700 899 1,010 1,620 2,520 4,480
9 4,860 5,830 7,200 12,800 17,300 11,900 2,540 910 1,040 1,620 2,520 4,380
10 4,850 6,040 7,220 13,000 17,400 11,400 2,420 895 1,050 1,610 2,520 4,360
11 4,870 6,160 7,340 13,200 17,400 11,000 2,350 909 1,060 1,690 2,500 4,460
12 4,910 6,220 7,530 13,500 17,400 10,600 2,230 902 1,090 1,740 2,510 4,650
13 4,920 6,250 7,660 13,700 17,400 10,300 2,090 890 1,150 1,740 2,580 4,780
14 4,920 6,230 7,850 14,000 17,400 9,830 2,050 869 1,160 1,760 2,700 4,800
15 4,980 6,260 8,010 14,300 17,400 9,460 2,000 844 1,180 1,760 2,800 4,750
16 5,110 6,300 8,230 14,600 17,400 9,270 1,950 835 1,230 1,760 2,760 4,720
17 5,210 6,410 8,380 14,800 17,500 9,010 1,820 811 1,250 1,730 2,810 4,830
18 5,300 6,480 8,570 15,000 17,600 8,710 1,730 817 1,260 1,750 2,850 4,910
19 5,470 6,450 8,730 15,200 17,700 8,210 1,660 813 1,280 1,760 2,890 4,910
20 5,540 6,590 8,900 15,500 17,500 7,850 1,600 822 1,290 1,800 2,940 4,900
21 5,530 6,760 9,050 15,800 17,500 7,500 1,570 835 1,300 1,880 3,070 4,990
22 5,480 6,920 9,230 16,000 17,300 7,230 1,540 816 1,320 1,920 3,210 5,040
23 5,530 7,040 9,400 16,300 17,200 6,980 1,460 857 1,360 1,930 3,320 5,110
24 5,580 7,060 9,560 16,500 17,000 6,540 1,400 871 1,350 1,970 3,480 5,170
25 5,550 7,100 9,730 16,600 16,800 6,190 1,340 880 1,350 2,000 3,600 5,140
26 5,600 7,100 9,920 16,800 16,600 5,700 1,320 908 1,370 2,030 3,750 5,110
27 5,570 7,100 10,100 16,900 16,500 5,350 1,230 923 1,370 2,030 3,910 5,060
28 5,580 7,030 10,200 17,000 16,200 4,950 1,190 880 1,380 2,060 3,970 5,080
29 5,580 7,320 10,400 17,000 15,900 4,510 1,190 847 1,390 2,090 3,950 5,130
30 5,540   10,600 17,100 15,500 4,140 1,180 839 1,420 2,190 3,990 5,150
31 5,440   10,800   15,200   1,120 829   2,220   5,090