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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 05489500 Des Moines River at Ottumwa, IA


Wapello County, Iowa
Hydrologic Unit Code 07100009
Latitude  41°00'39.05", Longitude  92°24'40.65" NAD83
Drainage area 13,374  square miles
Gage datum 621.59 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 -> 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 4,490 3,150 7,370 12,100 14,000 14,900 16,500 10,800 6,260 4,850 5,190 5,240
2 4,410 3,380 7,580 12,100 12,900 15,400 16,000 10,500 6,160 4,700 5,410 5,270
3 4,230 3,450 7,830 12,100 12,900 15,300 15,900 10,300 5,890 4,790 5,380 5,070
4 4,090 3,760 8,240 12,000 13,000 15,200 16,500 10,400 5,620 4,770 5,480 4,800
5 3,920 3,850 8,340 12,000 13,200 14,900 17,000 10,100 5,500 4,930 5,340 4,880
6 3,800 3,740 8,330 12,000 13,100 14,800 17,200 9,550 5,340 4,480 5,330 4,790
7 3,750 3,690 8,620 11,900 13,500 14,700 16,600 9,520 5,050 4,490 5,300 4,690
8 3,780 3,460 8,990 12,300 14,000 15,100 16,100 9,420 4,540 4,710 5,270 4,460
9 3,720 3,320 9,450 12,500 13,500 15,400 16,300 9,850 4,390 4,890 5,040 4,450
10 3,530 3,200 9,860 12,600 13,500 15,500 16,000 9,900 4,560 5,020 5,090 4,470
11 3,350 3,120 10,100 12,600 14,000 15,300 16,000 9,700 4,530 4,820 4,920 4,610
12 3,190 3,250 9,890 12,500 13,900 15,500 16,300 9,270 4,280 4,860 4,920 4,540
13 3,080 3,430 10,400 12,800 14,200 16,100 16,300 8,970 4,710 5,050 4,950 4,720
14 2,940 3,480 10,700 13,100 13,700 16,600 16,000 8,650 5,050 5,270 4,820 5,000
15 2,870 3,610 10,800 13,000 14,200 17,400 16,000 8,340 5,160 5,060 4,900 4,880
16 2,790 3,790 10,900 13,300 14,600 16,800 16,000 8,010 5,050 4,780 4,850 4,550
17 2,820 3,940 11,100 13,500 15,200 16,600 15,600 7,890 5,240 4,950 4,890 4,470
18 2,910 4,280 11,400 13,900 15,100 16,800 14,900 7,710 5,230 5,200 4,880 4,580
19 2,940 5,010 11,900 14,000 15,000 16,800 14,800 7,380 5,350 4,890 4,760 4,460
20 2,900 5,720 11,900 13,800 14,700 16,600 14,600 7,180 5,360 4,700 4,800 4,330
21 2,910 6,390 11,400 12,900 14,600 16,100 14,500 6,970 5,370 4,640 4,740 4,130
22 2,890 7,050 11,000 12,800 14,600 16,100 14,200 6,950 5,440 4,700 4,600 3,900
23 2,950 7,120 10,700 13,000 14,600 16,500 13,600 7,020 5,670 5,140 4,680 4,010
24 3,130 7,370 10,800 13,400 14,600 17,000 13,400 7,320 5,680 5,460 4,920 4,110
25 3,250 7,710 11,100 14,000 15,000 17,100 13,500 6,920 5,440 5,750 4,970 4,240
26 3,280 7,650 11,300 14,100 14,900 17,400 13,300 6,760 5,400 5,780 4,980 4,240
27 3,290 7,620 11,600 13,800 15,300 17,100 13,000 6,850 5,270 5,560 5,160 4,340
28 3,140 7,510 11,800 13,800 15,400 17,200 12,800 7,050 5,270 5,210 5,050 4,240
29 2,980 8,040 11,700 14,000 15,700 17,100 12,500 6,980 5,470 5,250 4,910 4,360
30 2,960   11,700 14,600 15,500 16,700 11,800 6,830 5,260 5,230 5,080 4,540
31 3,120   12,100   14,800   11,100 6,530   4,970   4,630