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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 -> 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 4,970 5,510 7,000 11,000 17,000 14,800 3,800 1,070 847 1,400 2,170 4,140
2 4,970 5,600 7,020 11,200 16,900 14,400 3,520 1,050 875 1,420 2,180 4,200
3 4,940 5,610 7,010 11,400 16,900 14,100 3,280 1,060 905 1,450 2,200 4,290
4 4,850 5,620 7,030 11,700 17,000 13,700 3,100 1,010 903 1,530 2,240 4,510
5 4,860 5,600 7,060 11,800 17,000 13,300 3,030 980 895 1,570 2,330 4,600
6 4,880 5,560 7,070 12,000 17,100 12,900 2,940 956 912 1,580 2,420 4,650
7 4,860 5,600 7,100 12,200 17,100 12,500 2,860 927 944 1,590 2,490 4,570
8 4,860 5,680 7,110 12,400 17,200 12,200 2,690 896 1,000 1,620 2,530 4,480
9 4,840 5,820 7,160 12,700 17,300 11,800 2,530 906 1,030 1,620 2,530 4,380
10 4,830 6,030 7,180 12,900 17,400 11,300 2,420 892 1,040 1,610 2,520 4,360
11 4,850 6,140 7,300 13,200 17,400 11,000 2,340 905 1,050 1,680 2,500 4,460
12 4,870 6,200 7,490 13,400 17,400 10,600 2,220 898 1,090 1,730 2,510 4,640
13 4,880 6,230 7,610 13,600 17,400 10,200 2,080 886 1,150 1,730 2,580 4,770
14 4,890 6,210 7,800 13,900 17,400 9,790 2,040 866 1,160 1,750 2,700 4,790
15 4,940 6,240 7,950 14,200 17,500 9,410 1,990 841 1,180 1,760 2,800 4,740
16 5,070 6,290 8,170 14,500 17,500 9,210 1,940 832 1,230 1,750 2,760 4,710
17 5,170 6,390 8,330 14,700 17,500 8,950 1,810 808 1,250 1,730 2,810 4,820
18 5,260 6,450 8,510 14,900 17,600 8,660 1,720 814 1,260 1,750 2,850 4,900
19 5,420 6,420 8,670 15,100 17,700 8,150 1,650 810 1,280 1,750 2,890 4,900
20 5,500 6,560 8,840 15,400 17,600 7,800 1,590 819 1,290 1,790 2,930 4,890
21 5,480 6,730 9,000 15,700 17,500 7,450 1,560 832 1,300 1,880 3,070 4,980
22 5,430 6,880 9,180 15,900 17,300 7,180 1,530 813 1,320 1,920 3,200 5,030
23 5,480 7,000 9,360 16,100 17,100 6,930 1,460 854 1,360 1,930 3,310 5,100
24 5,540 7,020 9,520 16,300 16,900 6,500 1,390 868 1,350 1,960 3,480 5,160
25 5,510 7,050 9,690 16,500 16,700 6,150 1,340 876 1,350 2,000 3,590 5,130
26 5,550 7,050 9,880 16,600 16,500 5,670 1,310 905 1,370 2,020 3,740 5,100
27 5,520 7,060 10,000 16,700 16,400 5,320 1,220 919 1,370 2,020 3,910 5,050
28 5,540 7,000 10,100 16,800 16,100 4,930 1,190 877 1,380 2,050 3,960 5,060
29 5,550 7,380 10,300 16,900 15,800 4,480 1,180 843 1,380 2,080 3,950 5,120
30 5,510   10,500 16,900 15,400 4,120 1,170 836 1,420 2,180 3,990 5,140
31 5,420   10,700   15,100   1,120 826   2,210   5,070