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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 06483950 BIG SIOUX RIVER NEAR HAWARDEN, IA


Union County, South Dakota
Hydrologic Unit Code 10170203
Latitude  43°03'05", Longitude  96°29'22" NAD27
Drainage area 7,566  square miles
Contributing drainage area 6,682  square miles
Gage datum 1,150.00 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 2014-10-01 -> 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 1,170 833 1,190 5,380 5,520 5,970 4,510 1,860 1,450 2,130 1,930 1,480
2 1,150 817 1,180 5,150 5,820 5,310 4,520 1,790 1,350 2,150 1,890 1,460
3 1,130 799 1,210 5,100 5,800 4,760 4,440 1,710 1,260 2,270 1,860 1,430
4 1,110 779 1,330 4,980 5,430 4,390 4,120 1,680 1,210 2,640 1,850 1,380
5 1,100 758 1,580 4,590 5,050 4,120 4,080 1,660 1,290 2,890 1,830 1,320
6 1,080 750 1,900 4,240 4,740 3,860 4,220 1,700 1,330 3,150 1,960 1,200
7 1,050 741 2,190 4,220 4,520 3,590 4,640 1,700 1,320 3,240 1,930 1,070
8 1,010 720 2,340 4,550 4,420 3,450 4,560 1,870 1,230 3,270 1,900 988
9 968 718 2,380 5,030 4,460 3,590 4,230 1,750 1,200 3,180 1,860 965
10 931 722 2,410 5,090 4,570 3,540 3,910 1,580 1,210 3,300 1,810 972
11 900 724 2,370 5,140 4,770 3,330 3,650 1,490 1,480 3,520 1,740 992
12 873 737 2,330 5,140 4,940 3,130 3,580 1,460 1,740 3,580 1,660 1,050
13 849 775 2,340 5,120 4,910 3,060 3,450 1,490 2,060 3,400 1,630 1,130
14 848 886 2,980 5,060 4,930 3,250 3,450 1,410 3,460 3,120 1,620 1,180
15 841 927 6,700 4,960 4,800 3,200 3,290 1,350 4,750 2,920 1,620 1,190
16 816 887 6,540 4,680 4,620 3,300 3,100 1,410 4,940 2,750 1,590 1,170
17 791 858 5,550 4,660 4,450 3,200 2,980 1,540 4,400 2,610 1,590 1,150
18 784 857 5,310 4,950 4,590 3,390 3,160 1,750 3,830 2,490 1,590 1,120
19 788 884 5,240 5,010 4,660 3,720 3,090 1,830 3,280 2,360 1,690 1,130
20 805 913 4,990 4,950 4,450 3,810 2,770 1,990 3,440 2,270 1,830 1,200
21 819 1,060 4,990 4,930 4,380 9,680 2,730 2,250 4,640 2,200 1,740 1,250
22 841 1,190 5,020 5,190 4,440 22,100 2,800 2,290 5,440 2,180 1,660 1,240
23 871 1,280 4,880 5,380 4,560 17,500 2,680 2,260 5,010 2,210 1,590 1,210
24 941 1,280 5,080 5,480 4,680 12,400 2,600 2,030 4,120 2,220 1,550 1,170
25 984 1,250 5,100 5,320 4,910 8,940 2,540 1,850 3,330 2,170 1,520 1,140
26 926 1,240 5,250 5,130 4,950 7,580 2,470 1,680 2,880 2,120 1,500 1,110
27 887 1,260 5,370 4,940 4,960 7,820 2,360 1,640 2,690 2,080 1,480 1,140
28 870 1,280 5,190 5,040 5,990 7,100 2,200 1,570 2,530 2,050 1,460 1,190
29 855 2,310 5,530 5,460 6,350 6,000 2,030 1,850 2,340 2,060 1,470 1,220
30 846   5,910 5,600 6,220 5,180 1,940 1,940 2,200 2,030 1,480 1,230
31 841   5,730   6,180   1,890 1,620   1,990   1,190