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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of Daily Groundwater Levels
 
390348078035501 46W175
LOCATION.--Latitude 39°03'48", Longitude 78°03'55", North American Datum of 1927
                    Clarke County, Va., Hydrologic Unit 02070007.
WELL CHARACTERISTICS.--Well is located in Conococheague Limestone of Middle Cambrian age. Depth 80.4 ft.
PERIOD OF RECORD.--Continual data, July 1987 to current year. Periodic data, March 1987 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 390348078035501 plot. 46W175
Provisional Data Subject to Revision

                    

The current daily value for 03/22/2017 is 38.19 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


                390348078035501     46W175

   Lowest Level
   5th percentile
 
   10th percentile
 
   25th percentile
 
 
   Median
 
 
   75th percentile
 
 
 
   90th percentile
 
 
 
   95th percentile
 
 
 
 
   Highest Level
         
Years of record
January
44.67
44.04
43.05
39.75
37.21
34.38
28.04
27.32
26.82
 
63
February
45.05
44.86
42.64
39.44
36.94
33.08
27.94
26.88
26.71
 
65
March
45.51
44.61
42.55
40.00
37.01
33.21
29.39
27.43
26.82
 
64
April
45.51
44.83
42.87
39.78
35.77
30.74
27.34
26.83
26.33
 
64
May
44.98
41.98
40.50
38.25
35.75
32.66
29.10
27.29
26.98
 
64
June
44.28
43.41
41.99
38.48
36.30
32.96
29.55
28.15
27.31
 
65
July
44.67
44.06
41.93
39.41
37.19
32.49
29.12
27.45
26.71
 
64
August
44.98
44.20
42.52
40.46
37.89
34.28
31.31
28.85
26.98
 
64
September
45.51
43.50
41.55
40.22
37.27
33.75
28.25
26.46
26.13
 
66
October
44.63
42.85
42.16
40.56
37.92
35.04
30.93
28.36
26.81
 
62
November
44.96
44.11
43.56
40.49
37.67
35.46
29.46
27.66
26.77
 
61
December
45.25
44.00
42.34
38.84
36.99
33.92
29.69
26.84
25.87
 
65
 
       
Instantaneous lowest water level for period of record = 45.66 feet below land surface.

The current daily value for 03/22/2017 is 38.19 feet below land surface.

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

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