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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 06485910 BIG SIOUX RIVER NR JEFFERSON, SD


Union County, South Dakota
Hydrologic Unit Code 10170203
Latitude  42°37'35", Longitude  96°30'55" NAD27
Drainage area 8,400  square miles
Contributing drainage area 7,516  square miles
Gage datum 1,070 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 -> 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 2,170 1,460 2,050 8,730 7,950 9,300 8,490 2,830 2,310 4,140 3,550 2,840
2 2,120 1,450 2,080 8,650 8,170 8,840 7,420 2,770 2,190 4,180 3,470 2,800
3 2,070 1,430 2,090 8,040 8,190 8,100 6,480 2,690 2,090 3,990 3,410 2,720
4 2,030 1,400 2,200 7,470 8,160 7,160 6,190 2,610 2,020 4,000 3,390 2,620
5 2,000 1,350 2,500 6,980 7,900 6,340 5,780 2,550 2,360 4,350 3,370 2,510
6 1,960 1,320 2,790 6,500 7,260 5,680 5,500 2,520 2,270 4,700 3,370 2,410
7 1,940 1,290 3,000 6,110 6,650 5,240 5,590 2,490 2,220 5,120 3,390 2,250
8 1,880 1,250 3,280 5,860 6,220 4,890 5,850 2,410 2,220 5,300 3,410 2,040
9 1,760 1,230 3,650 5,930 5,980 4,680 6,270 2,410 2,100 5,350 3,360 1,980
10 1,640 1,220 3,760 6,400 5,840 4,850 6,060 2,330 2,030 5,450 3,290 2,030
11 1,560 1,230 3,750 6,730 5,910 4,840 5,400 2,220 2,080 5,520 3,210 2,100
12 1,530 1,270 3,800 6,630 6,200 4,600 5,030 2,170 2,400 5,550 3,090 2,210
13 1,510 1,370 4,450 6,460 6,550 4,340 5,020 2,140 2,650 5,610 2,940 2,290
14 1,480 1,620 5,450 6,390 6,550 4,230 4,930 2,220 2,840 6,620 2,860 2,310
15 1,450 1,670 6,850 6,330 6,450 4,330 4,740 2,190 3,270 6,460 2,860 2,320
16 1,380 1,590 10,900 6,330 6,200 4,320 4,660 2,130 4,640 6,110 2,870 2,280
17 1,320 1,530 12,100 6,140 6,010 4,520 4,580 2,190 6,740 5,720 2,900 2,200
18 1,310 1,520 11,000 5,980 5,970 4,540 4,420 2,470 7,490 5,370 2,920 2,080
19 1,310 1,550 9,750 6,170 6,150 4,590 4,390 2,740 7,310 5,070 2,930 2,010
20 1,360 1,690 9,170 6,570 6,360 4,670 4,570 2,900 6,830 4,780 3,000 1,960
21 1,410 1,940 8,710 6,910 6,220 5,080 4,520 3,110 6,550 4,530 3,240 1,970
22 1,470 2,090 8,300 7,000 6,120 5,480 4,240 3,420 6,450 4,340 3,120 2,000
23 1,570 2,270 8,150 6,980 6,150 6,080 4,160 3,490 7,420 4,200 3,040 1,930
24 1,760 2,290 7,990 7,040 6,340 8,150 4,130 3,450 8,370 4,170 3,010 1,850
25 1,800 2,230 8,010 7,250 6,360 10,000 4,000 3,180 8,310 4,150 2,990 1,870
26 1,670 2,190 7,910 7,470 6,510 9,920 3,920 2,990 7,450 4,100 2,970 1,960
27 1,590 2,300 7,700 7,560 7,100 8,960 3,790 2,750 6,350 4,040 2,890 2,070
28 1,540 2,380 7,850 7,510 7,460 8,790 3,610 2,640 5,460 3,950 2,820 2,230
29 1,510 3,600 8,080 7,340 8,100 9,650 3,460 2,520 4,890 3,850 2,800 2,280
30 1,490   8,200 7,450 9,500 9,610 3,130 2,740 4,420 3,750 2,840 2,260
31 1,470   8,390   9,630   2,930 2,530   3,640   2,210