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USGS Daily Statistics for Iowa

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Boating safety tips are available from the U.S. Coast Guard.

NOTE: Station Numbers for Iowa precipitation gages have changed (see list).


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 05490500 Des Moines River at Keosauqua, IA


Van Buren County, Iowa
Hydrologic Unit Code 07100009
Latitude  40°43'40.1", Longitude  91°57'34.61" NAD83
Drainage area 14,038  square miles
Gage datum 543.55 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 1969-10-01 -> 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 4,730 3,430 7,870 12,700 15,300 15,600 17,000 11,500 6,780 5,320 5,300 5,370
2 4,570 3,610 7,900 12,400 14,100 16,200 16,600 10,900 6,390 5,000 5,690 5,640
3 4,490 3,810 8,150 12,400 14,200 16,100 16,800 10,900 6,210 5,130 5,560 5,450
4 4,440 3,910 8,730 12,400 13,800 15,800 17,600 10,900 6,000 5,020 5,590 5,060
5 4,260 3,970 9,350 12,200 13,800 15,700 17,700 11,100 5,730 5,070 5,560 5,000
6 4,100 3,930 8,930 12,200 13,700 15,500 17,700 10,500 5,680 4,970 5,420 5,050
7 3,960 3,990 9,010 11,900 14,100 15,300 17,500 10,100 5,480 4,550 5,380 4,870
8 3,980 3,920 9,380 12,200 15,000 16,000 16,800 10,000 5,020 4,780 5,300 4,750
9 4,000 3,790 9,980 12,900 14,500 16,100 16,500 10,200 4,660 5,060 5,230 4,610
10 3,730 3,600 10,500 13,100 14,100 16,200 16,200 10,700 4,910 5,410 5,230 4,650
11 3,620 3,530 10,700 13,300 14,900 15,900 16,300 10,300 4,820 5,290 5,100 4,710
12 3,450 3,570 10,600 12,900 14,700 16,000 16,200 10,100 4,560 4,900 5,040 4,830
13 3,300 3,680 10,900 13,100 15,000 16,900 16,200 9,570 4,950 5,020 4,960 4,780
14 3,110 3,860 11,300 13,400 14,900 17,500 16,300 9,260 5,490 5,500 4,980 5,430
15 3,070 4,090 11,500 13,300 14,500 18,500 16,600 8,680 5,500 5,410 4,880 5,750
16 3,020 4,170 11,600 13,800 15,100 18,000 16,600 8,350 5,430 4,920 4,880 5,210
17 3,020 4,310 11,500 14,000 16,000 17,400 16,800 8,320 5,460 4,870 5,020 4,770
18 3,090 4,460 11,800 14,800 16,000 17,200 15,700 8,060 5,790 5,460 5,030 4,790
19 3,240 4,990 12,200 14,800 15,600 17,500 15,200 7,810 5,700 5,200 4,800 4,790
20 3,060 5,860 12,400 14,600 15,300 17,500 15,500 7,490 5,790 4,840 4,840 4,640
21 3,040 6,550 11,700 14,400 15,100 17,200 15,600 7,350 5,800 4,710 5,000 4,530
22 3,150 7,070 11,400 13,500 15,300 16,800 15,300 7,180 6,080 4,690 4,700 4,400
23 3,150 7,570 11,200 13,400 15,500 17,000 14,600 7,060 6,060 5,130 4,740 4,280
24 3,210 7,730 10,800 14,000 15,800 17,600 13,900 7,950 6,320 5,360 4,840 4,350
25 3,390 8,050 11,100 14,600 16,000 18,400 14,100 7,410 6,040 5,580 5,040 4,540
26 3,560 8,160 11,400 14,500 16,400 18,300 14,000 7,160 5,860 5,910 5,110 4,530
27 3,710 8,300 11,600 14,200 16,800 18,100 13,700 7,240 5,480 5,680 5,430 4,600
28 3,520 8,060 12,000 14,500 17,000 17,600 13,800 7,240 5,420 5,390 5,490 4,710
29 3,350 8,510 12,100 14,500 17,500 17,900 13,300 7,170 5,820 5,370 5,100 4,610
30 3,190   12,100 15,300 16,800 17,400 12,800 6,980 5,770 5,610 5,100 4,690
31 3,290   12,700   16,100   12,200 6,990   5,170   4,750