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USGS Daily Statistics for Kansas

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Historic (pre-2007) gage-height data may contain erroneous values, such as pressure sensors encased in ice, even if they are flagged as approved. These data are made available to the public, but data users are cautioned to carefully screen the data and contact the USGS Kansas Water Science Center if they have questions or concerns about specific values.

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 06879100 KANSAS R AT FORT RILEY, KS


Geary County, Kansas
Hydrologic Unit Code 10270101
Latitude  39°03'42", Longitude  96°45'58" NAD27
Drainage area 44,870  square miles
Contributing drainage area 44,870  square miles
Gage datum 1,031.61 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 1964-10-01 -> 2025-09-30)

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 1,580 1,510 1,910 3,200 2,710 5,030 3,670 3,460 2,110 2,260 2,070 1,580
2 1,510 1,780 1,910 3,150 2,670 5,040 3,640 3,480 2,130 2,250 2,390 1,580
3 1,440 1,710 2,080 3,070 2,630 4,880 3,670 3,770 2,270 2,190 2,340 1,540
4 1,430 1,680 2,060 3,090 2,580 5,030 3,560 3,500 2,340 2,130 2,170 1,510
5 1,430 1,560 2,250 3,120 2,560 4,690 3,740 3,220 2,400 2,030 2,040 1,610
6 1,390 1,570 2,330 3,090 2,560 4,350 4,150 2,970 2,330 1,820 1,890 1,560
7 1,320 1,580 2,210 2,840 2,980 4,300 4,230 2,910 2,170 1,930 1,780 1,550
8 1,300 1,560 2,070 2,560 3,470 4,150 4,090 2,890 2,080 1,970 1,790 1,520
9 1,270 1,490 2,110 2,400 4,000 4,030 3,790 2,960 2,100 1,970 1,820 1,480
10 1,260 1,470 2,140 2,500 4,130 4,320 3,820 2,950 2,100 2,300 1,830 1,490
11 1,230 1,470 2,190 2,520 3,990 4,290 3,770 2,900 2,030 2,600 1,840 1,700
12 1,200 1,460 2,210 2,530 3,680 4,400 3,680 3,010 2,010 2,640 1,800 1,790
13 1,150 1,520 2,310 2,460 3,620 4,530 3,470 2,910 2,000 2,690 1,750 1,760
14 1,140 1,550 2,360 2,520 3,520 4,280 3,500 2,820 1,950 2,670 1,790 2,010
15 1,140 1,540 2,260 2,720 3,380 4,060 3,420 2,670 1,940 2,390 1,810 2,160
16 1,160 1,510 2,110 2,810 3,330 3,930 3,450 2,750 1,870 2,240 1,810 2,150
17 1,190 1,440 2,070 2,770 3,450 3,710 3,460 2,740 1,840 2,170 1,890 2,050
18 1,260 1,460 2,220 2,640 3,660 3,800 3,640 2,690 1,820 2,150 1,830 2,020
19 1,300 1,500 2,410 2,520 3,610 3,730 3,760 2,530 1,880 1,950 1,690 1,960
20 1,310 1,510 2,380 2,440 3,800 3,720 3,760 2,450 2,140 1,800 1,630 1,880
21 1,320 1,530 2,280 2,620 3,950 3,790 3,960 2,330 2,430 1,680 1,690 1,840
22 1,340 1,600 2,210 2,670 4,190 3,890 4,280 2,360 2,520 1,700 1,710 1,760
23 1,340 1,710 2,210 2,550 4,870 3,960 4,800 2,500 2,390 1,690 1,670 1,720
24 1,350 1,800 2,380 2,280 5,110 4,240 4,690 2,370 2,100 1,690 1,570 1,780
25 1,330 1,900 2,810 2,220 5,350 4,320 4,600 2,350 1,950 1,670 1,530 1,890
26 1,280 2,000 2,930 2,340 5,540 4,190 4,400 2,280 1,970 1,730 1,530 1,900
27 1,300 1,960 2,820 2,660 5,690 4,230 3,990 2,310 2,170 1,800 1,620 1,860
28 1,330 1,960 2,620 2,710 5,870 4,200 3,850 2,290 2,130 1,760 1,580 1,820
29 1,380 1,380 2,590 2,660 5,510 4,160 3,900 2,270 2,080 1,730 1,520 1,710
30 1,340   2,740 2,710 5,000 3,920 3,750 2,210 2,140 1,760 1,510 1,660
31 1,360   3,020   5,050   3,590 2,140   2,030   1,660