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USGS Daily Statistics for Iowa

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Boating safety tips are available from the U.S. Coast Guard.

NOTE: Station Numbers for Iowa precipitation gages have changed (see list).


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 06486000 Missouri River at Sioux City, IA


Dakota County, Nebraska
Hydrologic Unit Code 10230001
Latitude  42°29'09", Longitude  96°24'49" NAD27
Drainage area 314,600  square miles
Gage datum 1,057.42 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 1952-10-01 -> 2020-09-30)

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 17,300 16,900 18,900 33,500 33,900 36,200 38,400 38,100 37,700 37,900 34,300 26,000
2 17,200 17,000 18,800 33,900 34,200 36,200 38,300 38,000 37,800 37,800 34,000 25,800
3 17,400 16,900 18,900 34,000 34,400 36,100 37,900 37,800 38,000 37,700 33,700 25,500
4 17,200 17,000 18,900 33,700 34,800 36,100 37,700 38,100 38,100 37,500 33,600 24,700
5 17,100 17,100 18,700 33,600 34,900 36,200 38,100 38,400 38,000 37,500 33,500 23,800
6 17,100 17,200 18,800 33,700 34,600 36,500 37,900 38,600 38,000 37,400 33,400 22,700
7 16,900 17,200 19,000 33,600 34,100 36,700 37,900 38,600 37,900 37,400 33,200 21,900
8 16,700 17,200 19,000 33,900 34,000 37,100 38,200 38,600 37,800 37,300 33,000 21,200
9 16,900 17,400 19,200 34,200 34,300 37,600 38,400 38,600 37,700 37,100 32,900 20,300
10 16,900 17,500 19,500 34,100 34,400 37,900 38,800 38,500 37,700 36,800 32,700 19,700
11 17,000 17,500 19,900 34,100 34,700 38,000 38,500 38,300 37,900 36,700 32,600 19,200
12 17,000 17,500 20,400 34,100 35,000 37,900 38,400 38,300 37,900 36,700 32,500 18,800
13 16,900 17,600 21,400 34,200 35,300 37,800 38,400 38,300 38,000 36,700 32,500 18,700
14 17,000 17,800 22,200 34,200 35,100 37,600 38,500 38,400 38,300 36,600 32,400 18,500
15 17,000 17,600 23,100 34,100 35,100 37,600 38,600 38,300 38,500 36,500 32,300 18,200
16 16,900 17,600 23,900 33,900 35,100 37,700 38,700 38,500 38,700 36,400 32,200 18,100
17 17,000 17,900 24,300 33,800 34,900 37,900 39,100 38,500 38,700 36,200 32,000 18,000
18 17,100 18,500 25,100 33,400 34,800 38,100 39,000 38,400 38,600 36,000 32,000 18,200
19 16,900 18,800 26,300 33,400 34,800 38,900 38,700 38,600 38,600 36,000 31,800 18,000
20 16,900 18,600 26,800 33,500 34,600 39,500 38,800 38,400 38,600 35,900 31,800 17,800
21 17,000 18,700 27,400 33,500 34,700 39,500 38,700 38,300 38,500 35,800 31,600 17,700
22 17,100 18,500 28,200 33,500 34,900 39,500 38,600 38,300 38,500 35,800 31,400 17,500
23 17,100 18,400 29,000 33,400 34,900 39,200 38,600 38,100 38,600 35,700 31,100 17,600
24 17,100 18,500 29,500 33,300 34,900 39,100 38,700 37,900 38,300 35,600 30,500 17,500
25 17,100 18,400 29,900 33,200 34,800 39,700 38,800 37,800 38,200 35,400 29,500 17,500
26 17,000 18,300 30,300 33,500 35,200 39,800 38,800 37,900 38,200 35,400 28,700 17,500
27 17,100 18,500 30,900 33,600 35,400 39,300 38,700 37,800 38,100 35,300 27,900 17,700
28 17,000 18,600 31,500 33,500 35,600 39,200 38,600 37,900 38,100 35,000 27,100 17,600
29 17,100 20,400 32,100 33,200 35,700 39,100 38,500 38,000 38,200 34,800 26,500 17,500
30 17,000   32,700 33,500 35,800 38,800 38,600 38,000 38,100 34,700 26,200 17,600
31 16,800   32,800   36,300   38,500 37,800   34,600   17,600