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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 06607500 Little Sioux River near Turin, IA


Monona County, Iowa
Hydrologic Unit Code 10230003
Latitude  41°57'54.1", Longitude  95°58'20.1" NAD83
Drainage area 3,526  square miles
Gage datum 1,019.91 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
1 774 619 1,570 3,530 2,870 3,190 3,590 1,450 1,130 1,030 951 916
2 791 621 1,610 3,510 2,910 3,160 3,310 1,440 997 1,030 959 909
3 763 619 1,580 3,400 2,990 2,980 3,060 1,330 974 1,040 946 893
4 748 628 1,670 3,420 2,960 2,810 2,900 1,290 964 1,040 927 882
5 740 642 1,730 3,390 2,910 2,880 2,850 1,320 946 1,040 924 855
6 728 660 1,710 3,380 2,950 2,740 2,800 1,290 901 1,060 927 839
7 723 654 1,750 3,400 3,100 2,760 2,720 1,190 897 1,100 928 825
8 710 649 1,760 3,400 3,020 3,020 2,610 1,170 882 1,150 919 828
9 699 688 1,840 3,340 2,910 3,020 2,600 1,240 892 1,170 925 808
10 700 825 1,860 3,240 2,860 2,900 2,510 1,290 875 1,200 930 799
11 678 819 1,870 3,130 2,920 2,820 2,470 1,150 844 1,220 926 796
12 660 781 2,020 3,050 2,890 2,920 2,390 1,110 863 1,220 943 811
13 643 774 2,430 3,000 2,830 3,020 2,360 1,100 953 1,200 951 836
14 645 815 2,870 2,980 2,820 3,250 2,350 1,040 888 1,160 947 894
15 638 846 3,110 2,950 2,760 3,500 2,290 1,010 825 1,140 945 974
16 637 868 2,820 2,890 2,740 3,800 2,240 1,010 848 1,130 950 962
17 629 925 2,680 2,850 2,750 3,850 2,440 1,010 917 1,140 960 923
18 630 1,060 2,890 2,810 2,760 3,730 2,390 1,070 976 1,110 960 886
19 624 1,540 3,160 2,760 2,860 3,670 2,330 1,060 994 1,080 971 854
20 635 1,470 3,230 2,770 2,770 3,650 2,240 1,040 989 1,060 985 835
21 640 1,520 3,030 2,790 2,740 4,080 2,070 1,060 1,030 1,030 982 823
22 629 1,450 2,880 2,810 2,740 4,130 2,040 1,110 1,150 1,020 982 796
23 630 1,420 2,910 2,840 2,860 3,810 1,970 1,130 1,270 1,020 992 777
24 619 1,360 2,870 2,800 2,890 3,900 2,000 1,060 1,330 1,030 983 750
25 607 1,330 2,900 2,810 2,850 3,980 1,880 1,060 1,350 1,020 961 759
26 599 1,340 2,870 2,850 3,040 4,090 1,720 1,040 1,270 997 950 785
27 586 1,340 2,910 2,990 3,090 4,280 1,620 1,020 1,190 977 941 815
28 571 1,580 3,050 3,040 3,370 4,200 1,630 1,030 1,130 964 937 822
29 569 1,530 3,330 2,960 3,460 3,950 1,600 1,080 1,110 951 926 800
30 571   3,600 2,900 3,220 3,830 1,510 1,150 1,080 939 920 770
31 591   3,550   3,200   1,510 1,200   951   762