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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of Daily Streamflow
 
01638350 SOUTH FORK CATOCTIN CREEK AT ROUTE 698 NEAR WATERFORD, VA
LOCATION.--Latitude 39°11'28.0", Longitude 77°36'55.6", North American Datum of 1983,
                    Loudoun County, VA, Hydrologic Unit 02070008.
DRAINAGE AREA.--31.6 square miles.
PERIOD OF RECORD.--July 2001 to current year.
DURATION STATISTIC COMPUTATION PERIOD.--All data through September 2015.
REGULATION.--No known regulation.
GAGE OPERATION.--U.S. Geological Survey, Virginia Water Science Center.
     Duration Plot with Daily Streamflow Conditions
Provisional Data Subject to Revision 01638350 plot. SOUTH FORK CATOCTIN CREEK AT ROUTE 698 NEAR WATERFORD, VA
Provisional Data Subject to Revision

                    

The current daily value for 03/22/2017 is 26.0 cubic feet per second.

  explanation   Percentile Description Duration Plot Description 28 Day 14 Day 7 Day Daily
      Duration Table of Daily Streamflow
            Flow values in cubic feet per second


                01638350     SOUTH FORK CATOCTIN CREEK AT ROUTE 698 NEAR WATERFORD, VA

   Minimum daily flow
   5th percentile
 
   10th percentile
 
   25th percentile
 
 
   Median
 
 
   75th percentile
 
 
 
   90th percentile
 
 
 
   95th percentile
 
 
 
 
   Maximum daily flow
         
Years of record
January
2.80
4.18
5.90
17.0
28.0
40.0
65.5
103
1,310
 
14
February
4.10
6.64
11.0
18.0
28.0
43.0
83.4
128
607
 
14
March
4.00
9.10
12.0
21.0
34.5
62.2
123
230
638
 
14
April
8.10
10.0
12.0
20.0
30.0
50.0
94.7
162
1,050
 
14
May
5.20
7.30
8.20
14.0
25.0
48.0
94.5
152
1,920
 
14
June
2.80
5.30
6.00
9.50
18.0
37.5
87.0
165
723
 
14
July
0.74
1.73
2.30
3.95
7.90
14.0
23.8
41.7
1,050
 
15
August
0.22
0.61
0.79
1.60
3.30
6.15
15.0
24.1
166
 
15
September
0.00
0.17
0.38
1.28
3.40
8.72
27.9
77.0
1,840
 
15
October
0.00
0.02
1.95
4.20
8.25
18.0
40.5
83.2
1,630
 
14
November
1.00
2.10
3.10
6.80
16.0
32.0
61.0
91.8
550
 
14
December
1.40
4.40
6.00
16.0
30.0
49.0
86.0
138
1,450
 
14
 
       
Instantaneous minimum flow for period of record = 0.00 cubic feet per second.
Flow values of 0.00 are plotted as 0.01

The current daily value for 03/22/2017 is 26.0 cubic feet per second.

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

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