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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 RIVER 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 -> 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
1 445 327 1,260 4,850 2,730 2,670 2,610 1,260 799 962 771 615
2 442 325 1,360 4,730 2,700 2,580 2,700 1,300 751 939 782 606
3 427 332 1,500 4,510 2,740 2,480 2,630 1,200 788 923 789 611
4 417 337 1,600 4,400 2,700 2,440 2,450 1,130 839 924 808 595
5 410 335 1,720 4,310 2,610 2,360 2,400 1,070 863 916 799 594
6 403 334 1,790 4,350 2,510 2,280 2,530 1,050 811 914 773 579
7 397 338 1,800 4,520 2,460 2,310 2,370 1,070 769 925 757 566
8 385 350 1,800 4,680 2,460 2,610 2,210 1,030 708 931 748 558
9 372 407 1,790 4,790 2,510 2,500 2,110 1,000 686 950 738 544
10 363 443 1,730 4,620 2,860 2,390 2,020 954 713 971 728 543
11 357 528 1,770 4,240 2,870 2,240 1,970 952 747 997 722 534
12 356 600 1,980 3,920 2,720 2,230 2,040 964 788 1,010 713 531
13 349 564 2,230 3,740 2,620 2,280 2,140 997 794 972 708 529
14 341 537 2,530 3,820 2,530 2,420 1,980 970 837 931 722 532
15 335 531 3,060 3,730 2,440 2,680 1,870 912 1,030 894 725 526
16 329 548 3,350 3,440 2,350 2,790 1,740 875 1,170 873 728 521
17 330 563 3,240 3,250 2,260 2,850 1,640 892 1,160 868 729 515
18 330 592 3,130 3,130 2,210 3,710 1,600 873 1,100 853 732 508
19 332 675 3,050 3,040 2,120 3,520 1,610 875 1,060 838 727 505
20 331 724 3,120 2,980 2,060 3,230 1,540 858 1,030 834 744 495
21 328 759 3,230 2,990 2,030 3,200 1,490 868 1,110 831 755 491
22 326 809 3,280 2,990 2,040 4,100 1,470 864 1,250 817 745 480
23 326 837 3,200 2,910 2,070 4,860 1,490 884 1,340 812 731 468
24 330 871 3,230 2,870 2,090 4,170 1,480 866 1,310 819 709 462
25 331 898 3,320 3,050 2,150 3,740 1,460 852 1,270 833 689 458
26 323 943 3,230 3,100 2,230 3,410 1,400 809 1,270 827 677 457
27 319 1,010 3,280 2,910 2,250 3,130 1,370 773 1,340 811 665 449
28 315 1,110 3,430 2,760 2,470 3,070 1,300 807 1,270 793 650 451
29 314 2,060 3,680 2,730 2,560 2,950 1,250 842 1,130 775 644 452
30 315   4,270 2,730 2,610 2,760 1,220 875 1,030 763 631 450
31 322   4,640   2,660   1,190 867   758   448