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USGS Surface-Water 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 06485500 BIG SIOUX R AT AKRON,IA


Plymouth County, Iowa
Hydrologic Unit Code 10170203
Latitude  42°50'15.1", Longitude  96°33'41.8" NAD27
Drainage area 7,879  square miles
Contributing drainage area 6,995  square miles
Gage datum 1,119.53 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 1928-10-01 -> 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
1 442 326 1,300 4,980 2,730 2,640 2,540 1,270 792 987 770 619
2 439 323 1,400 4,850 2,700 2,540 2,660 1,320 748 961 784 610
3 423 331 1,540 4,620 2,730 2,430 2,590 1,220 790 943 793 616
4 413 336 1,650 4,480 2,690 2,400 2,420 1,140 846 945 814 599
5 406 333 1,780 4,380 2,600 2,330 2,380 1,080 871 937 805 598
6 399 332 1,840 4,450 2,500 2,250 2,530 1,060 815 935 775 583
7 393 337 1,860 4,630 2,450 2,290 2,350 1,070 771 946 759 570
8 380 348 1,850 4,800 2,440 2,610 2,170 1,030 711 953 751 563
9 366 407 1,830 4,900 2,490 2,500 2,090 981 690 974 740 549
10 357 443 1,770 4,690 2,850 2,390 2,000 944 719 996 730 547
11 352 532 1,810 4,260 2,860 2,240 1,960 950 756 1,020 725 539
12 351 607 2,020 3,910 2,710 2,230 2,040 967 800 1,030 715 537
13 344 571 2,290 3,720 2,610 2,280 2,150 1,000 807 997 711 535
14 336 543 2,600 3,800 2,500 2,420 1,990 978 854 957 725 536
15 330 537 3,160 3,720 2,400 2,690 1,880 919 1,050 916 729 528
16 324 555 3,450 3,430 2,310 2,820 1,740 880 1,200 895 732 522
17 325 571 3,350 3,240 2,230 2,890 1,640 899 1,200 890 734 516
18 325 602 3,230 3,120 2,180 3,780 1,600 880 1,130 875 737 507
19 327 688 3,150 3,030 2,100 3,550 1,630 884 1,090 859 732 500
20 326 737 3,220 2,980 2,040 3,240 1,550 866 1,060 853 749 484
21 323 774 3,330 3,000 2,000 3,180 1,500 878 1,140 849 761 474
22 322 825 3,370 2,990 2,020 3,360 1,480 874 1,280 833 751 461
23 322 855 3,280 2,910 2,050 3,670 1,500 895 1,380 824 736 451
24 326 890 3,310 2,880 2,060 3,470 1,490 877 1,350 831 713 447
25 327 919 3,390 3,070 2,120 3,270 1,470 864 1,310 845 693 445
26 320 966 3,290 3,130 2,200 3,090 1,420 819 1,310 840 682 447
27 315 1,040 3,330 2,940 2,230 2,910 1,390 781 1,370 823 671 440
28 312 1,150 3,500 2,780 2,460 2,920 1,320 816 1,300 804 655 444
29 311 2,130 3,770 2,750 2,570 2,850 1,260 852 1,160 782 648 447
30 312   4,380 2,740 2,630 2,680 1,230 868 1,060 763 636 446
31 320   4,770   2,660   1,210 849   756   445