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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 05451770 Iowa River at County Highway E49 near Tama, IA


Tama County, Iowa
Hydrologic Unit Code 07080208
Latitude  41°57'51.32", Longitude  92°38'11.58" NAD83
Drainage area 1,882  square miles
Gage datum 810.47 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 6 - 7 years of record in, ft3/s   (Calculation Period 2010-10-01 -> 2018-09-30)

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
1 846 743 1,610 1,980 2,170 5,310 4,670 910 2,880 2,200 823 1,030
2 787 719 1,470 1,900 2,600 4,560 5,150 802 2,580 2,040 812 1,090
3 750 632 1,400 1,830 2,780 4,040 5,050 726 1,820 1,830 793 1,020
4 742 595 1,360 1,810 3,090 3,740 4,070 657 1,370 1,500 755 944
5 695 579 1,340 1,820 3,600 3,920 3,440 654 1,170 1,300 715 887
6 673 569 1,360 1,780 3,690 3,740 3,230 625 1,020 1,180 712 830
7 678 589 1,350 1,640 3,570 3,490 3,620 574 939 1,100 692 807
8 695 598 1,370 1,510 3,120 2,760 3,080 542 1,030 1,050 665 755
9 639 510 1,690 1,410 2,670 2,390 2,440 637 961 1,070 656 743
10 628 536 2,390 1,420 2,690 2,680 2,000 1,030 1,060 1,050 650 723
11 895 621 3,050 1,450 2,790 2,810 1,770 970 1,120 1,020 640 699
12 787 598 3,080 1,490 2,450 2,650 1,680 1,040 1,110 979 640 693
13 719 612 3,200 1,530 2,390 2,430 1,580 998 1,120 947 634 812
14 697 639 3,170 1,770 2,460 2,230 1,450 851 1,110 1,120 614 1,770
15 656 659 2,890 2,020 2,280 2,300 1,300 746 1,080 1,240 593 2,650
16 647 669 2,310 2,480 2,080 2,500 1,210 663 1,320 1,160 580 3,060
17 912 654 2,230 2,550 1,970 2,600 1,150 597 1,630 1,060 575 2,640
18 1,080 645 2,010 2,870 1,960 2,950 1,100 553 1,660 984 562 2,290
19 977 905 1,800 3,030 1,970 3,000 1,040 574 1,560 919 578 2,020
20 1,070 1,530 1,700 2,500 2,380 3,090 1,020 733 1,400 866 563 1,830
21 1,080 1,910 1,530 2,460 2,760 3,280 1,070 1,120 1,240 821 558 1,650
22 1,080 1,990 1,440 2,310 2,700 3,630 1,060 955 1,170 803 563 1,450
23 1,280 1,850 1,340 2,200 2,400 3,960 1,060 874 1,370 782 571 1,300
24 1,010 1,820 1,330 2,120 2,210 4,010 1,030 931 1,550 791 586 1,380
25 883 1,760 1,330 2,040 2,180 4,790 1,020 828 1,660 806 584 1,380
26 828 1,660 1,300 1,970 3,060 5,010 1,000 731 1,760 773 624 1,360
27 776 1,570 1,300 1,830 5,170 4,440 1,080 714 1,860 809 848 1,380
28 735 1,570 1,360 1,740 6,300 3,840 1,140 689 2,010 854 1,040 1,220
29 693 2,260 1,460 1,800 5,920 3,780 1,620 1,250 2,100 889 1,020 1,120
30 535   1,640 1,950 5,730 4,140 1,370 1,770 2,240 860 958 989
31 698   1,970   5,910   1,070 2,090   841   883