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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 06810000 Nishnabotna River above Hamburg, IA


Fremont County, Iowa
Hydrologic Unit Code 10240004
Latitude  40°36'04.3", Longitude  95°38'40.2" NAD83
Drainage area 2,806  square miles
Gage datum 892.31 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 1921-10-01 -> 2025-09-30)

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
1 730 715 1,600 1,800 2,010 2,450 2,420 1,240 1,250 902 889 708
2 705 759 1,640 1,630 2,040 2,780 2,260 1,190 1,260 1,060 865 720
3 685 738 1,780 1,540 1,970 2,590 2,170 1,270 1,080 948 857 719
4 639 770 1,710 1,460 1,900 2,610 2,220 1,230 1,040 862 832 709
5 637 862 1,850 1,480 1,880 2,680 2,280 1,140 1,100 912 789 692
6 683 856 1,830 1,490 1,940 2,760 2,360 1,240 1,200 976 763 682
7 671 823 1,790 1,430 2,070 2,610 2,130 1,180 1,150 991 741 675
8 633 804 1,640 1,390 2,370 2,760 2,010 1,410 1,190 963 726 665
9 620 863 1,530 1,440 2,520 2,900 2,130 1,360 1,220 1,010 765 636
10 606 885 1,620 1,550 2,560 2,790 2,220 1,200 1,140 941 756 615
11 606 916 1,740 1,540 2,600 2,630 2,120 1,180 1,110 1,050 729 654
12 592 871 2,080 1,550 2,310 2,980 1,970 1,360 1,050 1,240 744 673
13 586 841 2,430 1,500 2,250 3,190 1,960 1,340 1,110 1,020 770 683
14 593 830 2,310 1,470 2,140 3,600 1,820 1,230 1,290 915 748 785
15 596 879 2,240 1,600 2,020 4,060 1,740 1,200 1,320 991 727 862
16 642 913 2,060 1,670 1,970 3,810 1,610 1,110 1,350 971 752 839
17 747 986 2,090 1,560 2,090 3,670 1,490 1,100 1,230 972 779 791
18 754 1,150 2,160 1,510 2,060 3,190 1,670 1,070 1,080 959 807 734
19 767 1,400 2,250 1,500 1,980 3,080 1,800 980 981 921 814 704
20 732 1,660 2,260 1,470 1,950 2,910 1,660 1,000 996 870 787 693
21 712 1,550 2,030 1,480 2,190 2,860 1,560 1,050 938 818 763 682
22 724 1,490 1,780 1,560 2,460 2,970 1,640 1,080 899 870 749 677
23 756 1,320 1,710 1,560 2,380 2,910 1,530 1,080 911 853 764 721
24 703 1,300 1,660 1,570 2,350 3,100 1,540 1,110 944 873 798 724
25 683 1,210 1,640 1,620 2,570 3,000 1,650 1,130 940 862 794 705
26 675 1,300 1,590 1,670 2,860 2,700 1,770 1,100 1,040 802 780 699
27 652 1,430 1,660 1,760 2,860 2,580 1,680 1,090 1,080 757 756 724
28 638 1,570 1,690 1,830 2,740 2,830 1,500 1,120 928 733 726 801
29 626 1,940 1,750 1,700 2,800 2,580 1,410 1,160 907 723 704 834
30 621   1,730 1,860 2,840 2,280 1,440 1,190 847 749 707 839
31 667   1,770   2,640   1,440 1,220   838   819