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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of Daily Groundwater Levels
 
381132076551001 55P 9
LOCATION.--Latitude 38°11'32", Longitude 76°55'10", North American Datum of 1927
                    Westmoreland County, Va., Hydrologic Unit 02070011.
WELL CHARACTERISTICS.--Well is located in Columbia aquifer of Quaternary age. Depth 22.6 ft.
PERIOD OF RECORD.--Continual data, December 2003 to current year. Periodic data, July 1977 to current year.
DURATION STATISTIC COMPUTATION PERIOD.--All continual data through September 2015, all approved periodic data.
EXTERNAL INFLUENCE.--No known external influences.
GAGE OPERATION.--U.S. Geological Survey, Virginia Water Science Center.
     Duration Plot with Daily Groundwater Level Conditions
Provisional Data Subject to Revision 381132076551001 plot. 55P 9
Provisional Data Subject to Revision

                    

The current daily value for 03/22/2017 is -0.08 feet below land surface.

  explanation   Percentile Description Duration Plot Description 28 Day 14 Day 7 Day Daily
      Duration Table of Daily Groundwater Levels
            Maximum depth below land surface, in feet


                381132076551001     55P 9

   Lowest Level
   5th percentile
 
   10th percentile
 
   25th percentile
 
 
   Median
 
 
   75th percentile
 
 
 
   90th percentile
 
 
 
   95th percentile
 
 
 
 
   Highest Level
         
Years of record
January
12.21
11.57
10.75
7.68
1.54
0.25
0.10
0.03
-0.17
 
68
February
11.34
9.90
8.64
6.17
0.95
0.36
0.03
-0.11
-0.16
 
70
March
9.35
8.76
7.97
3.59
0.70
0.24
0.09
-0.08
-0.17
 
69
April
12.00
9.56
8.77
4.21
0.85
0.42
0.11
0.09
-0.05
 
69
May
12.42
11.07
9.52
5.91
1.57
0.35
0.13
0.07
-0.13
 
69
June
11.73
9.83
8.76
7.21
3.93
1.12
0.24
0.02
-0.03
 
70
July
11.73
9.78
9.14
8.03
5.49
1.91
0.44
0.19
0.05
 
71
August
10.80
10.44
9.95
8.79
7.13
1.89
0.65
0.09
0.01
 
69
September
12.00
10.78
10.60
8.72
5.68
1.09
0.22
0.08
-0.13
 
72
October
11.95
11.34
11.11
9.37
5.49
0.62
0.16
0.06
-0.16
 
66
November
12.42
11.77
10.72
9.43
5.71
0.63
0.24
0.15
-0.05
 
68
December
12.80
12.23
11.25
8.47
5.16
0.65
0.07
-0.06
-0.26
 
70
 
       
Instantaneous lowest water level for period of record = 12.80 feet below land surface.

The current daily value for 03/22/2017 is -0.08 feet below land surface.

---- Provisional Data Subject to Revision ----

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