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USGS 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 05465500 Iowa River at Wapello, IA


Louisa County, Iowa
Hydrologic Unit Code 07080209
Latitude  41°10'41", Longitude  91°10'55" NAD27
Drainage area 12,500  square miles
Gage datum 538.17 feet above NGVD29
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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 -> 2022-09-30)

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 5,740 4,710 9,990 16,800 15,900 17,000 16,800 9,290 7,850 7,390 6,590 6,180
2 5,690 4,680 9,890 17,200 15,700 16,800 17,000 8,890 7,490 7,100 6,840 6,250
3 5,720 4,740 9,970 17,500 15,100 16,800 16,500 8,830 7,310 6,820 7,150 6,310
4 5,480 4,830 10,300 17,400 15,000 16,400 16,000 8,680 7,190 6,800 7,120 6,090
5 5,300 4,810 10,900 17,500 15,000 16,100 15,600 8,410 7,070 6,800 6,990 6,000
6 5,140 4,910 11,300 17,300 14,800 15,900 15,400 8,400 6,850 7,000 7,030 5,950
7 5,050 5,000 10,900 17,000 14,500 15,500 15,900 8,310 6,840 7,130 6,820 5,870
8 4,940 5,160 10,800 16,600 14,700 15,300 15,600 8,290 6,870 7,200 6,550 5,770
9 4,920 5,420 11,200 16,400 14,900 15,300 14,800 8,310 6,750 7,130 6,300 5,630
10 4,850 5,480 12,300 16,200 15,300 15,100 14,300 8,220 7,050 7,030 6,130 5,470
11 4,790 5,540 13,100 16,400 15,800 15,200 14,200 8,090 6,950 7,030 6,130 5,430
12 4,770 5,550 13,600 16,300 16,000 15,500 14,100 8,030 6,720 6,950 6,090 5,390
13 4,810 5,430 14,200 15,800 15,800 16,500 13,800 7,980 6,570 6,830 6,100 5,290
14 4,830 5,350 14,800 15,700 15,800 17,400 13,900 7,800 6,730 6,770 6,120 5,430
15 4,930 5,510 15,400 15,700 15,600 17,900 13,800 7,630 6,620 6,890 6,080 5,720
16 4,960 5,770 15,500 15,400 15,300 18,400 13,300 7,460 6,470 6,850 6,120 6,180
17 4,900 5,910 15,500 15,500 15,100 18,500 12,700 7,590 6,080 6,750 6,230 6,270
18 4,810 6,130 15,700 15,900 15,300 18,400 12,400 7,590 6,110 6,850 6,320 6,100
19 4,590 6,410 16,300 16,700 15,800 18,000 12,400 7,170 6,230 6,970 6,420 5,780
20 4,620 6,820 17,200 16,900 15,400 17,200 12,600 6,940 6,250 6,830 6,250 5,560
21 4,710 7,580 17,700 16,700 14,800 16,800 12,400 7,070 6,340 6,450 6,220 5,400
22 4,760 8,760 17,700 17,100 14,300 16,700 12,100 7,030 6,580 6,160 6,310 5,250
23 4,910 9,510 17,300 16,900 14,200 16,800 11,600 7,070 6,670 6,040 6,400 5,210
24 5,010 9,930 17,000 16,300 14,600 16,900 11,500 7,180 6,740 6,180 6,280 5,160
25 5,020 10,300 16,700 15,900 14,800 17,200 11,400 7,180 6,750 6,360 6,160 5,290
26 4,910 10,100 16,100 15,600 15,000 17,300 10,900 7,110 6,770 6,580 6,160 5,440
27 4,930 9,770 16,100 15,600 15,500 17,300 10,700 7,270 7,280 6,600 6,300 5,500
28 4,930 9,870 15,900 15,500 16,200 17,200 10,800 7,540 7,520 6,500 6,370 5,540
29 4,810 9,480 15,900 15,400 16,700 16,900 10,600 7,940 7,820 6,400 6,340 5,620
30 4,720   16,200 15,500 17,200 16,700 10,300 8,070 7,720 6,390 6,220 5,750
31 4,670   16,500   17,400   9,780 8,100   6,440   5,800