Latitude 41°00'57", Longitude 95°07'50" NAD27 Montgomery County, Iowa, Hydrologic Unit 10240005
Land surface altitude: 1,275 feet above sea level NGVD29. Well completed in "Sand and gravel aquifers (glaciated regions)" (N100GLCIAL) national aquifer. Well completed in "PLEISTOCENE SERIES" (112PLSC) local aquifer
Period of Record Monthly Statistics for 410057095075101 Depth to water level, feet below land surface All Approved Continuous & Periodic Data Used In Analysis
Note: Bold values in the table indicate closest statistic to the most recent data value.
Month
Lowest Level
10th %ile
25th %ile
50th %ile
75th %ile
90th %ile
Highest Level
Number of Years
Jan
32.10
24.22
20.86
18.97
15.46
12.93
6.38
60
Feb
32.87
24.55
20.95
18.59
14.66
10.77
7.79
57
Mar
33.82
22.82
20.28
16.62
13.67
10.21
5.04
60
Apr
34.36
23.68
19.71
15.82
11.52
8.22
3.12
64
May
34.63
21.50
17.53
13.51
9.46
5.90
3.76
60
Jun
33.98
20.98
16.89
11.88
8.38
4.86
2.94
67
Jul
31.08
19.57
17.66
13.72
10.71
7.28
1.14
62
Aug
31.09
21.01
19.19
16.00
12.73
10.07
5.55
66
Sep
24.37
21.24
19.84
17.51
15.69
12.16
9.52
64
Oct
27.44
22.52
20.70
18.44
14.07
10.76
7.05
67
Nov
29.25
22.47
20.93
19.08
16.57
12.46
6.32
62
Dec
30.89
24.69
20.94
19.22
16.47
11.54
7.95
65
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Daily Groundwater Data
Most recent Provisional daily data value: 17.17 on 11/23/09
Summary Statistics for Period of Continuous Record
Depth to water level, feet below land surface
Approved Daily Mean Values Data Used in Analysis
Begin Date
End Date
Days
% Complete
08/22/98
11/30/08
3,641
96
Max Level
Mean
Min Level
3.00
15.99
22.82
Daily Data Options
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Periodic Groundwater Data
Summary Statistics for Period of Record Periodic Water Levels
Depth to water level, feet below land surface
Approved Periodic Water Level Values
Begin Date
End Date
Number of Values
06/24/37
11/18/09
872
Highest WL
Date of Highest WL
Lowest WL
Date of Lowest WL
1.14
07/22/93
34.64
05/18/38
Groundwater Levels Options
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Period of Record - All Data Types
Summary Statistics for Period of Record - All Data Types
Depth to water level, feet below land surface
Begin Date
End Date
Number of Values
06/24/37
11/23/09
4,839
Highest WL
Date of Highest WL
Lowest WL
Date of Lowest WL
1.14
07/22/93
34.64
05/18/38
Period of Record Options
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