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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 05420500 Mississippi River at Clinton, IA


Clinton County, Iowa
Hydrologic Unit Code 07080101
Latitude  41°46'50", Longitude  90°15'07" NAD27
Drainage area 85,600  square miles
Gage datum 562.68 feet above NGVD29
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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 1873-10-01 -> 2019-09-30)

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 28,700 26,100 35,100 75,800 97,000 75,300 70,000 44,100 36,800 43,000 42,200 34,000
2 28,400 26,200 36,000 77,800 96,000 75,500 68,900 43,400 36,900 43,100 42,400 33,600
3 28,200 26,000 36,900 79,000 95,000 75,100 68,200 42,800 37,000 43,000 42,800 33,100
4 28,000 26,000 37,600 80,300 93,800 75,000 67,800 42,300 37,100 42,800 42,800 32,400
5 27,900 26,000 38,500 81,700 92,600 74,900 66,900 42,000 37,000 42,600 42,500 31,900
6 28,100 26,200 39,000 83,600 91,600 74,300 66,000 41,700 36,700 42,200 42,000 31,400
7 27,900 26,400 39,800 84,800 90,600 73,600 65,000 41,500 36,700 41,900 41,700 31,000
8 27,800 26,400 40,400 85,700 90,000 73,100 64,500 41,000 36,600 41,700 41,600 30,400
9 27,600 26,700 40,600 86,600 89,400 72,800 63,900 40,500 36,700 41,600 41,800 29,800
10 27,300 27,200 41,100 87,200 89,000 72,900 63,000 39,800 37,000 41,700 42,000 29,200
11 26,900 27,700 42,800 88,000 88,500 72,400 62,300 39,100 37,100 41,800 41,900 28,800
12 26,700 27,900 44,600 88,900 87,800 71,500 61,400 38,500 37,100 42,000 41,800 28,300
13 26,700 27,800 46,400 89,900 86,900 71,200 61,100 37,800 37,400 42,000 41,700 28,100
14 26,900 28,000 48,400 90,700 86,100 71,400 60,500 37,500 38,100 42,300 41,500 27,900
15 26,600 28,600 50,200 91,700 84,900 71,300 59,400 37,300 38,400 42,400 41,000 27,900
16 26,200 29,000 51,900 92,700 83,900 71,100 58,000 36,900 38,600 42,400 40,800 27,800
17 26,300 29,300 52,800 94,100 82,900 71,000 57,000 36,700 38,400 42,600 40,700 27,600
18 26,300 29,400 53,500 95,200 82,000 70,900 56,200 36,900 38,400 43,000 40,400 27,400
19 26,200 29,700 54,800 96,500 81,300 71,000 55,400 37,000 38,800 43,400 40,200 27,300
20 26,100 30,800 56,900 97,600 80,500 71,000 54,500 37,400 39,500 43,500 39,800 27,400
21 26,400 31,900 58,700 98,700 79,500 70,500 53,700 37,700 40,400 43,300 39,500 27,800
22 26,600 32,200 60,200 99,500 78,800 70,600 53,400 37,700 41,000 43,100 39,200 28,000
23 26,900 32,600 61,100 100,000 78,100 70,700 53,100 37,500 41,200 43,100 38,900 28,400
24 26,900 33,000 62,200 100,000 77,800 71,000 52,500 37,200 41,400 43,000 38,500 28,600
25 26,700 33,900 63,200 100,000 77,400 71,200 51,400 37,100 41,600 43,000 37,900 28,400
26 26,500 34,300 64,900 100,000 77,200 71,200 50,300 37,300 41,900 42,800 37,300 28,300
27 26,400 34,500 66,900 100,000 76,800 71,100 49,500 37,400 42,300 42,800 36,800 28,600
28 26,300 34,600 68,200 99,700 76,200 70,800 48,900 37,200 42,500 42,500 36,100 28,600
29 26,200 36,000 69,700 98,900 75,800 70,700 48,000 37,000 42,600 42,300 35,400 28,800
30 26,200   71,400 98,000 75,300 70,500 46,700 37,100 42,900 42,200 34,700 28,800
31 26,100   73,700   75,200   45,300 36,900   42,200   28,600