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USGS Surface-Water 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 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 -> 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 5,080 2,840 7,110 12,500 12,700 18,700 19,000 8,760 6,080 6,580 5,980 4,760
2 4,730 2,840 6,940 12,800 12,900 19,100 19,000 8,200 6,780 7,420 5,910 5,030
3 4,550 2,950 6,750 12,500 13,400 18,500 18,800 8,040 7,310 7,810 5,860 5,670
4 4,490 3,060 6,620 12,600 13,800 17,800 18,200 7,730 7,200 7,920 5,670 6,020
5 4,180 2,920 6,450 12,400 13,800 17,500 17,700 7,600 6,570 7,960 5,570 5,770
6 4,110 2,810 6,350 12,200 14,400 17,400 17,100 7,430 6,090 7,880 5,380 5,120
7 4,010 2,710 6,490 11,800 15,000 17,500 16,400 7,430 5,780 7,900 5,220 4,570
8 3,940 2,710 6,770 11,800 14,700 17,400 15,900 7,260 5,960 8,070 5,170 4,090
9 3,880 2,630 7,700 11,400 14,000 17,300 15,400 7,690 6,140 8,560 4,750 3,850
10 3,690 2,600 9,430 11,100 13,900 16,800 15,100 7,430 6,720 8,670 4,490 3,800
11 3,470 2,570 10,700 10,900 14,300 16,500 14,900 7,540 7,260 8,860 4,600 3,750
12 3,160 2,540 10,700 10,700 15,200 16,500 14,000 7,660 7,660 8,760 4,660 3,700
13 3,000 2,470 10,400 10,900 16,100 16,300 13,500 7,480 7,630 8,630 4,700 3,800
14 2,890 2,490 10,500 11,600 15,000 16,200 12,900 7,190 7,230 8,610 4,740 4,170
15 2,860 2,620 10,600 12,300 14,600 15,800 12,600 6,880 6,270 8,560 4,790 4,200
16 2,820 3,040 11,100 13,200 14,200 16,300 11,900 6,570 5,890 8,310 4,790 4,400
17 2,990 3,830 11,300 12,800 14,300 16,700 11,300 6,070 5,740 7,970 4,730 4,710
18 3,140 4,340 11,700 13,000 14,700 17,200 11,000 6,020 5,640 7,560 4,650 4,700
19 3,090 4,910 12,000 12,900 14,900 17,600 11,000 5,950 5,960 7,270 4,380 4,870
20 2,930 5,770 12,600 13,400 14,900 18,500 11,300 6,220 5,720 6,990 4,360 4,970
21 2,830 6,080 12,800 13,600 15,300 19,200 11,200 6,620 5,900 6,750 4,460 5,060
22 2,860 6,020 12,600 13,700 15,300 19,100 10,700 7,030 6,210 6,730 4,640 4,860
23 3,130 5,890 12,600 14,100 15,200 19,100 10,300 7,390 6,470 6,880 4,620 4,700
24 3,200 6,220 12,700 14,300 15,100 18,500 9,880 7,590 6,530 6,610 4,670 4,630
25 3,210 6,230 12,300 14,200 15,800 18,400 9,360 6,960 6,670 6,690 4,620 4,520
26 3,030 6,290 12,000 14,100 16,300 18,900 9,000 6,140 7,040 6,330 4,460 4,540
27 2,940 6,590 11,800 14,100 16,800 18,900 8,990 5,460 7,110 5,970 4,620 4,560
28 2,900 7,020 11,700 13,700 17,400 19,100 8,840 4,960 7,010 5,920 4,730 4,960
29 2,740 9,480 11,500 13,200 18,500 19,200 8,860 4,930 6,860 5,950 4,730 5,110
30 2,710   12,100 12,500 18,700 18,900 8,970 5,500 6,870 6,050 4,700 5,180
31 2,750   12,300   18,700   9,260 5,750   6,040   5,140