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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 05462000 Shell Rock River at Shell Rock, IA


Butler County, Iowa
Hydrologic Unit Code 07080202
Latitude  42°42'43", Longitude  92°34'58" NAD27
Drainage area 1,746  square miles
Gage datum 885.34 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 1953-10-01 -> 2021-09-30)

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
1 584 362 932 2,780 1,920 2,170 2,020 954 1,070 1,080 884 653
2 562 368 1,160 2,670 1,900 1,900 1,820 915 1,080 1,050 872 651
3 537 356 1,100 2,400 1,880 1,780 1,660 884 965 1,040 884 644
4 511 366 1,130 2,330 1,850 1,730 1,540 866 841 1,050 846 630
5 499 372 1,100 2,380 1,890 1,710 1,450 839 853 1,030 818 615
6 484 367 1,080 2,390 1,940 1,710 1,420 841 992 1,040 791 611
7 468 374 1,240 2,320 1,950 1,650 1,500 838 895 1,020 793 604
8 455 401 1,290 2,150 1,870 1,720 1,460 819 858 1,020 791 596
9 444 464 1,310 2,100 1,820 2,500 1,560 857 884 1,070 757 586
10 425 482 1,390 1,960 1,830 2,850 1,630 922 861 1,110 743 567
11 403 427 1,480 1,900 1,930 2,340 1,520 954 835 1,090 761 548
12 400 436 1,610 1,940 1,890 2,030 1,490 959 775 1,070 759 558
13 395 420 1,680 2,060 1,900 2,070 1,380 851 717 1,060 755 586
14 387 440 1,780 2,040 1,940 2,180 1,380 840 732 981 744 618
15 370 462 2,000 2,170 1,880 2,010 1,390 817 715 937 741 646
16 363 481 2,140 2,170 1,740 1,970 1,350 781 769 904 727 648
17 375 488 2,110 2,120 1,710 1,900 1,350 769 840 864 726 620
18 394 549 2,080 2,020 1,850 2,010 1,410 818 854 842 726 597
19 398 628 2,100 1,940 1,960 2,120 1,440 835 862 826 736 581
20 413 710 2,160 1,990 1,970 2,160 1,460 895 1,120 821 751 565
21 427 802 2,190 2,100 1,850 2,210 1,430 901 1,340 840 761 549
22 449 887 2,050 2,080 1,960 2,370 1,280 920 1,470 862 784 536
23 450 874 1,980 1,970 2,160 2,430 1,210 1,070 1,780 906 778 521
24 435 851 2,000 1,890 2,130 2,410 1,170 1,280 1,510 954 745 502
25 414 765 2,060 1,900 2,010 2,280 1,100 1,190 1,270 925 714 498
26 403 708 2,200 1,930 1,920 2,310 1,060 1,200 1,200 879 707 506
27 382 699 2,390 1,870 1,940 2,400 1,070 1,110 1,160 890 695 525
28 376 740 2,580 1,890 2,020 2,270 1,140 1,010 1,100 873 692 612
29 375 1,220 2,520 2,020 2,110 2,050 1,110 1,030 1,110 837 680 646
30 369   2,530 1,970 2,130 2,110 1,040 1,070 1,140 852 659 625
31 366   2,590   2,230   981 1,040   886   619