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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 05465500 Iowa River at Wapello, IA


Louisa County, Iowa
Hydrologic Unit Code 07080209
Latitude  41°10'41.11", Longitude  91°10'55.53" NAD83
Drainage area 12,500  square miles
Gage datum 538.08 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 1958-10-01 -> 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 5,570 4,620 9,970 16,400 15,600 17,200 16,600 9,120 7,680 7,220 6,430 6,010
2 5,520 4,600 9,850 16,800 15,500 16,900 16,800 8,720 7,330 6,940 6,680 6,060
3 5,560 4,660 9,950 17,200 14,900 16,800 16,300 8,660 7,160 6,660 6,980 6,130
4 5,330 4,750 10,300 17,100 15,000 16,400 15,800 8,520 7,050 6,640 6,950 5,920
5 5,160 4,730 10,900 17,200 15,000 16,100 15,300 8,260 6,930 6,650 6,830 5,820
6 5,010 4,830 11,300 17,000 14,800 15,900 15,100 8,240 6,710 6,830 6,870 5,780
7 4,920 4,920 10,900 16,700 14,500 15,400 15,700 8,160 6,700 6,960 6,680 5,700
8 4,820 5,070 10,800 16,300 14,700 15,300 15,300 8,130 6,730 7,020 6,420 5,610
9 4,800 5,330 11,200 16,000 14,900 15,300 14,600 8,150 6,610 6,960 6,170 5,470
10 4,730 5,410 12,100 15,800 15,400 15,000 14,100 8,080 6,900 6,860 6,000 5,320
11 4,670 5,480 12,900 16,000 15,900 15,100 14,100 7,950 6,810 6,860 6,000 5,280
12 4,650 5,500 13,400 15,900 16,100 15,400 14,000 7,900 6,580 6,790 5,970 5,240
13 4,690 5,380 13,900 15,400 15,900 16,300 13,700 7,850 6,440 6,670 5,980 5,150
14 4,710 5,300 14,400 15,400 15,900 17,200 13,700 7,680 6,580 6,620 5,990 5,280
15 4,810 5,440 15,000 15,300 15,800 17,600 13,600 7,500 6,470 6,730 5,950 5,560
16 4,850 5,690 15,100 15,100 15,400 18,000 13,200 7,320 6,330 6,690 5,990 6,000
17 4,790 5,820 15,100 15,100 15,200 18,000 12,500 7,450 5,950 6,590 6,100 6,080
18 4,700 6,030 15,200 15,500 15,300 18,000 12,200 7,440 5,980 6,700 6,180 5,920
19 4,490 6,310 15,900 16,300 15,800 17,600 12,200 7,030 6,090 6,810 6,270 5,610
20 4,520 6,730 16,700 16,500 15,300 16,900 12,400 6,830 6,120 6,670 6,100 5,410
21 4,600 7,510 17,200 16,400 14,800 16,600 12,200 6,940 6,200 6,300 6,070 5,250
22 4,650 8,650 17,300 16,700 14,400 16,500 11,900 6,900 6,430 6,020 6,160 5,110
23 4,800 9,360 16,800 16,600 14,300 16,600 11,400 6,930 6,520 5,910 6,240 5,080
24 4,890 9,750 16,600 16,100 14,700 16,600 11,300 7,040 6,590 6,040 6,120 5,030
25 4,900 10,000 16,300 15,700 14,900 16,900 11,200 7,040 6,590 6,220 6,010 5,130
26 4,790 9,840 15,800 15,500 15,200 17,100 10,700 6,970 6,610 6,430 6,000 5,280
27 4,820 9,530 15,700 15,400 15,800 17,100 10,500 7,120 7,110 6,450 6,130 5,350
28 4,820 9,800 15,600 15,300 16,500 17,000 10,500 7,380 7,340 6,360 6,200 5,400
29 4,710 9,040 15,600 15,200 16,900 16,700 10,300 7,770 7,630 6,250 6,170 5,480
30 4,630   15,800 15,300 17,400 16,500 10,100 7,890 7,540 6,240 6,050 5,600
31 4,580   16,100   17,600   9,600 7,920   6,290   5,650