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USGS Surface-Water 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 06805600 Missouri River at Plattsmouth, NE


Cass County, Nebraska
Hydrologic Unit Code 10240001
Latitude  41°00'04", Longitude  95°51'59" NAD27
Gage datum 928.44 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 2019-10-01 -> 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 44,300 42,000 50,000 66,700 51,100 57,500 49,600 40,900 43,400 79,500 74,000 66,500
2 42,500 42,700 48,700 66,500 51,300 57,000 49,800 40,800 42,500 81,500 74,300 65,900
3 41,600 44,000 49,100 65,800 52,500 56,200 47,800 40,300 39,300 80,900 74,400 65,000
4 41,100 45,500 50,000 65,400 53,000 55,200 46,400 39,200 39,000 80,100 74,000 64,200
5 40,600 44,600 50,600 64,500 52,000 54,500 45,200 38,600 37,700 80,500 74,400 62,100
6 41,200 43,800 50,400 62,700 51,100 53,300 44,800 39,900 37,300 82,200 74,000 60,300
7 41,400 43,400 50,200 62,300 50,700 52,300 44,700 39,600 36,700 81,000 73,300 58,300
8 41,000 42,600 50,500 62,600 50,900 51,500 44,800 41,400 36,600 80,300 72,700 56,700
9 41,500 42,300 51,200 63,500 51,400 51,100 44,200 40,500 38,800 79,200 73,000 55,300
10 42,000 42,300 51,400 64,800 51,400 52,900 45,500 39,400 39,700 80,600 73,400 53,900
11 41,900 41,400 51,600 62,100 51,100 52,800 47,900 39,200 38,900 81,300 73,800 51,800
12 39,600 41,200 52,000 60,000 50,100 52,400 47,000 38,300 38,100 80,700 73,300 49,800
13 38,700 40,600 52,300 59,900 49,300 53,300 43,900 37,900 37,900 80,000 73,300 47,900
14 37,700 37,800 55,500 58,700 49,500 51,900 42,800 37,300 37,800 79,600 72,200 46,000
15 37,800 33,700 65,300 57,700 49,700 51,900 43,000 36,800 37,800 78,300 71,500 44,600
16 38,100 36,300 68,600 57,000 49,200 51,500 43,200 36,400 37,400 77,400 71,400 42,800
17 37,000 39,700 63,700 56,500 49,100 50,800 42,400 36,300 37,400 76,100 71,300 40,800
18 36,200 42,000 61,200 56,000 49,200 50,000 42,200 36,300 37,100 75,500 70,700 40,200
19 35,700 43,500 59,500 55,700 50,100 50,600 41,400 35,800 36,500 75,600 72,000 38,300
20 32,000 42,900 61,300 55,200 50,600 51,700 41,300 35,900 37,000 75,200 71,500 38,200
21 31,500 39,600 60,000 54,900 51,600 50,000 41,100 36,100 36,800 74,700 71,400 39,000
22 33,400 37,800 56,200 54,300 52,200 49,600 41,600 36,000 36,700 73,700 72,000 39,500
23 34,500 40,400 55,600 54,700 53,500 49,400 40,600 35,700 37,000 73,100 72,400 40,000
24 36,900 44,200 60,700 54,500 56,100 50,300 40,200 35,900 37,100 73,100 72,500 40,000
25 36,200 45,000 66,000 54,200 58,500 51,500 40,800 36,500 37,000 72,800 72,200 37,900
26 35,600 45,800 65,600 53,900 59,600 50,900 40,400 36,000 37,600 73,900 71,500 36,800
27 36,500 47,000 65,700 53,100 64,200 50,200 40,200 35,900 37,900 74,800 70,600 35,900
28 38,500 49,600 65,900 53,400 63,500 50,300 40,000 36,300 38,000 73,600 69,500 40,200
29 39,600 60,300 66,300 52,900 61,100 49,500 39,400 36,400 38,000 73,500 67,800 45,200
30 39,600   66,600 52,400 60,100 49,000 40,500 36,300 37,900 73,600 67,300 47,100
31 40,800   67,400   58,800   43,400 42,200   73,400   46,400