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USGS Daily Statistics for Iowa

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Boating safety tips are available from the U.S. Coast Guard.

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 588.16 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 -> 2020-09-30)

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 2,070 1,770 3,790 5,540 5,590 5,630 5,710 3,430 2,420 1,840 2,190 2,210
2 2,070 1,870 3,840 5,400 5,210 5,460 5,770 3,250 2,480 1,770 2,360 2,310
3 1,930 1,900 3,950 5,030 4,940 5,290 5,740 3,160 2,440 1,810 2,450 2,180
4 1,840 1,850 4,080 4,840 5,080 5,150 5,470 3,010 2,380 1,860 2,290 2,080
5 1,780 1,890 4,490 4,880 5,020 5,280 5,410 3,050 2,380 1,930 2,350 2,080
6 1,720 1,890 4,260 4,910 4,870 5,190 5,570 3,180 2,350 1,950 2,260 2,130
7 1,670 1,910 3,940 4,970 4,980 5,090 5,850 3,150 2,380 2,000 2,120 2,080
8 1,670 1,990 4,010 4,930 5,130 5,270 5,690 3,070 2,290 2,070 2,020 2,030
9 1,680 2,030 4,230 5,050 5,070 5,450 5,470 3,180 2,320 2,020 1,910 1,960
10 1,600 2,160 4,720 5,230 5,090 5,530 5,380 3,220 2,460 2,070 1,930 1,930
11 1,570 2,300 4,870 5,330 5,080 5,550 5,340 3,080 2,440 2,100 1,970 1,930
12 1,600 2,170 5,030 5,110 5,190 5,510 5,080 3,030 2,220 2,040 1,990 1,900
13 1,630 2,110 5,340 5,070 5,170 5,770 4,820 2,970 2,230 1,940 1,990 1,970
14 1,600 2,160 5,620 5,170 5,300 6,040 4,790 2,840 2,270 1,920 1,980 2,090
15 1,530 2,210 5,650 5,110 5,180 6,370 4,830 2,820 2,270 1,980 1,960 2,240
16 1,450 2,240 5,460 5,130 4,980 6,460 4,710 2,820 2,220 1,990 2,070 2,510
17 1,470 2,270 5,250 5,210 5,210 6,120 4,600 2,850 2,140 1,980 2,100 2,420
18 1,440 2,330 5,330 5,570 5,580 6,020 4,620 2,630 2,220 2,160 2,120 2,210
19 1,410 2,520 5,460 5,770 5,590 5,960 4,680 2,520 2,240 2,130 2,070 2,040
20 1,470 2,880 5,600 5,530 5,350 5,930 4,650 2,580 2,170 2,020 2,040 1,960
21 1,530 3,290 5,510 5,480 5,010 5,970 4,580 2,730 2,190 1,930 2,160 1,930
22 1,540 3,300 5,210 5,480 4,810 5,910 4,510 2,580 2,340 1,840 2,220 1,900
23 1,710 3,490 5,150 5,210 4,820 5,840 4,280 2,530 2,170 1,920 2,130 1,860
24 1,820 3,560 5,040 5,120 4,840 5,770 4,300 2,510 2,180 1,990 2,060 1,830
25 1,810 3,490 4,770 5,180 4,820 5,720 4,150 2,390 2,060 2,020 2,030 1,940
26 1,820 3,430 4,750 5,300 4,850 5,460 4,040 2,420 1,950 2,040 2,070 1,980
27 1,810 3,590 4,790 5,350 5,080 5,340 3,950 2,460 1,900 2,080 2,180 1,940
28 1,710 3,750 4,850 5,380 5,190 5,310 3,890 2,560 1,950 2,060 2,190 2,010
29 1,650 3,360 4,910 5,360 5,450 5,340 3,760 2,620 1,840 2,030 2,210 2,050
30 1,650   5,070 5,460 5,800 5,490 3,660 2,550 1,850 2,100 2,160 2,130
31 1,680   5,370   5,910   3,580 2,470   2,120   2,170