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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°10'41.11", 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 5,640 4,640 10,100 16,600 15,800 16,800 16,600 9,120 7,680 7,220 6,430 6,010
2 5,580 4,620 9,980 17,000 15,600 16,600 16,800 8,720 7,330 6,940 6,680 6,060
3 5,620 4,680 10,100 17,300 15,000 16,500 16,300 8,660 7,160 6,660 6,980 6,130
4 5,390 4,770 10,400 17,200 15,000 16,200 15,800 8,520 7,050 6,640 6,950 5,920
5 5,220 4,750 11,000 17,200 15,000 15,900 15,300 8,260 6,930 6,650 6,830 5,820
6 5,070 4,850 11,400 17,100 14,800 15,700 15,100 8,240 6,710 6,830 6,870 5,850
7 4,980 4,940 11,000 16,800 14,600 15,300 15,700 8,160 6,700 6,960 6,680 5,770
8 4,870 5,100 10,900 16,500 14,700 15,100 15,300 8,130 6,730 7,020 6,420 5,680
9 4,850 5,350 11,300 16,200 14,900 15,200 14,600 8,150 6,610 6,960 6,170 5,540
10 4,790 5,430 12,300 16,000 15,300 14,900 14,100 8,080 6,900 6,860 6,000 5,380
11 4,730 5,510 13,100 16,200 15,800 15,000 14,100 7,950 6,810 6,860 6,000 5,340
12 4,710 5,530 13,600 16,100 16,000 15,300 14,000 7,900 6,580 6,790 5,970 5,300
13 4,750 5,410 14,100 15,600 15,800 16,300 13,700 7,850 6,440 6,670 5,980 5,210
14 4,770 5,330 14,600 15,500 15,700 17,200 13,700 7,680 6,580 6,620 5,990 5,350
15 4,870 5,480 15,200 15,500 15,600 17,600 13,600 7,500 6,470 6,730 5,950 5,630
16 4,910 5,730 15,300 15,200 15,200 18,100 13,200 7,320 6,330 6,690 5,990 6,080
17 4,840 5,870 15,300 15,300 15,000 18,100 12,500 7,450 5,950 6,590 6,100 6,160
18 4,750 6,080 15,400 15,700 15,200 18,100 12,200 7,440 5,980 6,700 6,180 5,990
19 4,540 6,360 16,100 16,500 15,700 17,700 12,200 7,030 6,090 6,810 6,270 5,680
20 4,570 6,800 17,000 16,700 15,300 17,000 12,400 6,830 6,120 6,670 6,100 5,480
21 4,650 7,590 17,400 16,500 14,800 16,600 12,200 6,940 6,200 6,300 6,070 5,320
22 4,700 8,750 17,500 16,900 14,300 16,500 11,900 6,900 6,430 6,020 6,160 5,170
23 4,840 9,480 17,100 16,700 14,200 16,600 11,400 6,930 6,520 5,910 6,240 5,140
24 4,930 9,860 16,800 16,300 14,500 16,600 11,300 7,040 6,590 6,040 6,120 5,080
25 4,940 10,100 16,600 15,900 14,600 16,900 11,200 7,040 6,590 6,220 6,010 5,190
26 4,840 9,950 16,000 15,600 14,800 17,100 10,700 6,970 6,610 6,430 6,000 5,350
27 4,860 9,650 15,900 15,500 15,400 17,100 10,500 7,120 7,110 6,450 6,130 5,410
28 4,860 9,920 15,800 15,400 16,000 17,000 10,500 7,380 7,340 6,360 6,200 5,460
29 4,730 9,480 15,800 15,300 16,500 16,700 10,300 7,770 7,630 6,250 6,170 5,540
30 4,650   16,000 15,400 16,900 16,500 10,100 7,890 7,540 6,240 6,050 5,670
31 4,590   16,300   17,200   9,600 7,920   6,290   5,710