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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 05389500 Mississippi River at McGregor, IA


Clayton County, Iowa
Hydrologic Unit Code 07060001
Latitude  43°01'37.3", Longitude  91°10'21" NAD27
Drainage area 67,500  square miles
Gage datum 604.50 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 1935-10-01 -> 2014-09-30)

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 21,700 18,600 25,600 63,600 75,500 54,000 53,500 32,400 27,200 30,000 30,600 25,700
2 21,500 18,500 26,200 65,000 74,300 53,900 53,100 31,700 27,300 29,500 30,900 25,400
3 21,100 18,300 26,900 66,600 73,000 53,500 52,900 31,700 27,000 29,400 31,200 25,000
4 20,800 18,400 27,100 67,900 71,500 53,400 52,400 31,500 27,100 29,300 31,200 24,400
5 20,600 18,500 27,700 69,100 70,500 53,200 51,700 31,100 26,900 28,900 31,400 23,800
6 20,500 18,600 28,400 70,200 69,700 53,300 50,700 30,600 26,900 28,600 31,300 23,500
7 20,600 18,700 29,200 70,800 68,800 53,300 49,800 30,100 26,800 28,300 31,400 23,000
8 20,500 19,100 29,800 71,800 68,100 53,300 48,900 29,800 26,700 28,300 31,500 22,500
9 20,300 19,200 30,200 72,700 67,600 52,900 48,200 29,500 26,800 28,400 31,400 22,300
10 20,100 19,400 30,600 73,300 66,600 52,300 47,200 28,900 26,800 28,600 31,300 22,100
11 20,100 19,400 31,400 74,100 65,600 51,600 47,000 28,800 26,800 28,800 31,000 21,900
12 20,200 19,400 32,600 74,900 64,800 51,100 46,400 28,700 26,600 29,100 30,600 21,700
13 20,200 19,500 34,100 75,700 63,800 50,600 45,600 28,400 27,000 29,300 30,400 21,500
14 19,800 19,600 35,600 76,800 63,300 50,400 44,700 28,300 27,500 29,600 30,200 21,300
15 19,500 19,800 36,900 77,800 62,800 50,100 43,400 27,700 27,600 29,800 29,800 21,600
16 19,200 20,000 38,000 78,800 62,400 49,700 42,200 27,500 27,600 29,700 29,700 21,600
17 19,000 20,300 39,000 79,800 61,800 49,900 40,900 27,900 27,700 29,700 29,600 21,900
18 19,000 20,700 40,200 80,700 61,400 49,900 39,700 27,800 28,200 29,600 29,600 22,100
19 19,200 21,300 41,600 81,500 60,700 50,200 39,100 27,400 28,800 29,500 29,300 22,200
20 19,200 21,700 43,100 82,600 59,900 50,300 38,900 27,300 29,300 29,400 29,200 22,300
21 19,200 22,200 44,000 83,000 59,300 51,000 38,500 27,300 29,900 29,200 29,100 22,500
22 19,200 22,400 44,700 83,000 58,800 51,500 37,600 27,300 30,200 29,100 29,000 22,500
23 19,000 22,700 46,000 82,700 58,000 51,900 36,500 27,100 30,500 28,900 28,900 22,300
24 18,900 22,900 47,300 82,200 57,300 52,300 35,400 27,000 30,000 29,200 28,700 22,200
25 18,800 23,300 48,900 81,500 56,700 52,700 34,700 27,100 30,000 29,700 28,300 22,000
26 18,800 24,000 50,600 80,800 55,800 53,100 33,900 26,800 30,200 30,000 27,900 21,800
27 18,700 24,400 52,800 79,900 54,900 53,300 33,400 26,800 30,300 30,400 27,300 21,700
28 18,800 25,000 55,500 78,800 54,400 53,600 33,100 26,600 30,400 30,400 26,500 21,700
29 18,800 27,700 58,300 77,600 53,900 53,900 32,800 26,500 30,300 30,100 26,200 21,700
30 18,800   60,100 76,600 53,400 53,700 32,500 26,300 30,100 30,000 25,900 21,700
31 18,700   61,900   53,900   32,500 26,700   30,200   21,600