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USGS Surface-Water 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 05455700 Iowa River near Lone Tree, IA


Louisa County, Iowa
Hydrologic Unit Code 07080209
Latitude  41°25'25.6", Longitude  91°28'42.7" NAD83
Drainage area 4,293  square miles
Gage datum 587.93 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 1,980 1,710 3,720 5,480 5,430 5,500 5,580 3,270 2,300 1,750 2,100 2,130
2 1,980 1,800 3,780 5,330 5,070 5,320 5,660 3,100 2,350 1,680 2,250 2,220
3 1,850 1,820 3,890 4,960 4,800 5,190 5,630 3,020 2,310 1,720 2,340 2,100
4 1,760 1,780 4,040 4,780 4,980 5,050 5,380 2,870 2,260 1,770 2,190 2,000
5 1,700 1,810 4,440 4,810 4,920 5,170 5,320 2,900 2,260 1,830 2,250 2,010
6 1,650 1,810 4,230 4,840 4,770 5,090 5,460 3,030 2,230 1,850 2,160 2,050
7 1,600 1,840 3,930 4,890 4,870 5,000 5,730 3,000 2,260 1,890 2,030 2,000
8 1,600 1,920 4,030 4,840 5,010 5,160 5,570 2,930 2,180 1,960 1,930 1,960
9 1,620 1,960 4,250 4,950 4,960 5,360 5,370 3,020 2,200 1,910 1,830 1,890
10 1,540 2,090 4,700 5,120 5,010 5,540 5,280 3,060 2,340 1,960 1,840 1,860
11 1,510 2,240 4,820 5,250 5,000 5,480 5,240 2,930 2,320 1,990 1,890 1,870
12 1,540 2,110 4,930 5,030 5,080 5,400 5,000 2,880 2,130 1,940 1,920 1,850
13 1,570 2,050 5,190 4,970 5,060 5,630 4,750 2,830 2,150 1,840 1,920 1,920
14 1,540 2,100 5,440 5,040 5,170 5,890 4,690 2,700 2,180 1,830 1,920 2,030
15 1,480 2,140 5,460 4,990 5,060 6,190 4,740 2,680 2,170 1,880 1,890 2,190
16 1,400 2,170 5,290 5,010 4,860 6,270 4,650 2,680 2,120 1,890 1,990 2,440
17 1,420 2,190 5,090 5,080 5,090 5,940 4,510 2,710 2,040 1,880 2,010 2,350
18 1,390 2,240 5,140 5,400 5,440 5,840 4,500 2,500 2,120 2,050 2,030 2,150
19 1,370 2,430 5,280 5,570 5,460 5,790 4,530 2,390 2,130 2,020 1,980 1,980
20 1,420 2,780 5,510 5,350 5,230 5,790 4,500 2,450 2,060 1,910 1,950 1,900
21 1,480 3,170 5,460 5,320 4,900 5,830 4,420 2,590 2,080 1,830 2,080 1,870
22 1,490 3,190 5,120 5,330 4,720 5,770 4,340 2,440 2,220 1,740 2,130 1,840
23 1,650 3,370 5,060 5,120 4,730 5,730 4,120 2,400 2,060 1,830 2,040 1,800
24 1,760 3,420 5,010 5,050 4,750 5,650 4,130 2,390 2,070 1,920 1,980 1,760
25 1,740 3,340 4,740 5,100 4,730 5,600 3,970 2,270 1,950 1,980 1,950 1,860
26 1,760 3,290 4,790 5,210 4,750 5,370 3,870 2,300 1,850 2,000 2,010 1,900
27 1,740 3,500 4,840 5,250 4,970 5,260 3,780 2,340 1,800 2,020 2,110 1,860
28 1,640 3,710 4,940 5,270 5,070 5,230 3,710 2,430 1,850 1,990 2,120 1,920
29 1,590 3,180 5,020 5,230 5,350 5,230 3,580 2,490 1,740 1,960 2,130 1,960
30 1,590   5,100 5,320 5,680 5,370 3,490 2,420 1,760 2,030 2,080 2,040
31 1,620   5,330   5,780   3,410 2,350   2,040   2,080