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USGS Daily Statistics for Iowa

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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 05487520 Des Moines River near Swan, IA


Marion County, Iowa
Hydrologic Unit Code 07100008
Latitude  41°29'21.8", Longitude  93°16'41.6" NAD83
Drainage area 11,700  square miles
Gage datum 698.99 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 2009-10-01 -> 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 5,080 2,840 7,110 12,500 12,400 19,100 19,100 9,450 5,820 6,180 5,690 4,550
2 4,730 2,840 6,940 12,500 12,900 19,500 19,200 8,640 6,460 6,980 5,600 5,030
3 4,550 2,950 6,750 12,200 13,600 18,800 19,500 8,320 6,940 7,350 5,610 5,670
4 4,490 3,060 6,620 12,100 14,200 18,100 19,100 7,950 6,830 7,460 5,460 6,020
5 4,180 2,920 6,450 12,000 14,400 17,800 18,100 7,760 6,220 7,500 5,330 5,770
6 4,110 2,810 6,350 11,800 15,100 17,700 17,400 7,530 5,770 7,410 5,120 5,120
7 4,010 2,710 6,490 11,400 15,800 17,800 16,700 7,500 5,480 7,430 4,960 4,570
8 3,940 2,710 6,770 11,300 15,700 17,700 16,300 7,290 5,630 7,590 4,900 4,090
9 3,880 2,630 7,700 11,000 15,200 17,600 15,900 7,680 5,800 8,050 4,510 3,850
10 3,690 2,600 9,430 10,600 15,000 17,100 15,600 7,420 6,340 8,160 4,250 3,800
11 3,470 2,570 10,700 10,500 15,300 16,800 15,300 7,500 6,840 8,330 4,360 3,750
12 3,160 2,540 10,700 10,200 16,100 16,700 14,500 7,570 7,200 8,240 4,420 3,700
13 3,000 2,470 10,400 10,400 17,000 16,500 14,000 7,390 7,170 8,110 4,460 3,800
14 2,890 2,490 10,500 11,000 15,900 16,300 13,400 7,120 6,790 8,100 4,490 4,170
15 2,860 2,620 10,600 11,700 15,500 15,900 13,100 6,920 5,890 8,050 4,550 4,200
16 2,820 3,040 11,100 12,600 15,000 16,300 12,400 6,680 5,540 7,810 4,560 4,400
17 2,990 3,830 11,300 12,200 15,000 16,600 11,900 6,130 5,400 7,500 4,500 4,710
18 3,140 4,340 11,700 12,400 15,300 17,000 11,600 6,040 5,310 7,110 4,420 4,700
19 3,090 4,910 12,000 12,300 15,400 17,300 11,500 5,950 5,600 6,840 4,190 4,870
20 2,930 5,770 12,600 12,800 15,500 18,300 11,700 6,150 5,370 6,570 4,170 4,970
21 2,830 6,080 12,800 13,100 15,900 19,100 11,500 6,480 5,540 6,360 4,280 5,060
22 2,860 6,020 12,600 13,300 16,500 19,100 11,000 6,800 5,820 6,330 4,460 4,860
23 3,130 5,890 12,600 13,700 16,900 19,000 10,600 7,060 6,100 6,470 4,390 4,700
24 3,200 6,220 12,700 13,900 16,400 18,500 10,200 7,230 6,140 6,220 4,430 4,630
25 3,210 6,230 12,300 13,800 16,900 18,500 9,700 6,640 6,260 6,300 4,390 4,520
26 3,030 6,290 12,000 13,700 17,200 19,000 9,320 5,850 6,600 5,950 4,260 4,540
27 2,940 6,590 11,800 13,700 17,600 19,100 9,270 5,210 6,670 5,620 4,400 4,560
28 2,900 7,020 11,700 13,400 18,100 19,300 9,150 4,740 6,560 5,570 4,500 4,960
29 2,740 9,480 11,500 12,800 19,000 19,400 9,300 4,730 6,430 5,600 4,500 5,110
30 2,710   12,100 12,200 19,200 19,100 9,560 5,350 6,440 5,710 4,490 5,180
31 2,750   12,300   19,100   10,200 5,480   5,760   5,140