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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of Daily Streamflow
 
01654000 ACCOTINK CREEK NEAR ANNANDALE, VA
LOCATION.--Latitude 3848'46", Longitude 7713'43", North American Datum of 1927,
                    Fairfax County, VA, Hydrologic Unit 02070010.
DRAINAGE AREA.--23.9 square miles.
PERIOD OF RECORD.--March 1947 to current year (fragmentary prior to October 1947).
DURATION STATISTIC COMPUTATION PERIOD.--All data through September 2015.
REGULATION.--No known regulation.
GAGE OPERATION.--Virginia Department of Environmental Quality - Water Division.

     Duration Plot with Daily Streamflow Conditions
Provisional Data Subject to Revision
01654000 plot. 
ACCOTINK CREEK NEAR ANNANDALE, VA
Provisional Data Subject to Revision

                    

The current daily value for 03/22/2017 is 7.9 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


                01654000     ACCOTINK CREEK NEAR ANNANDALE, VA

   Minimum daily flow
   5th percentile
 
   10th percentile
 
   25th percentile
 
 
   Median
 
 
   75th percentile
 
 
 
   90th percentile
 
 
 
   95th percentile
 
 
 
 
   Maximum daily flow
         
Years of record
January
2.00
4.90
6.00
9.40
15.0
25.0
58.0
104
1,550
 
68
February
2.50
6.40
7.80
12.0
17.0
29.5
63.0
114
1,340
 
68
March
1.80
8.50
10.0
14.0
21.0
36.0
85.0
166
936
 
68
April
1.90
8.20
9.90
14.0
20.0
31.0
64.0
112
1,640
 
68
May
2.30
6.30
7.50
11.0
16.0
29.0
70.0
126
1,570
 
68
June
0.82
3.10
4.40
6.90
11.0
19.0
50.0
95.9
3,300
 
68
July
0.12
1.30
2.00
4.20
7.60
14.0
41.0
90.5
980
 
68
August
0.00
0.90
1.40
3.00
6.10
12.0
38.1
79.0
1,580
 
68
September
0.01
0.47
0.95
2.30
4.70
9.40
31.9
84.9
3,600
 
68
October
0.00
0.99
1.60
3.20
5.80
10.0
30.1
83.5
1,660
 
68
November
0.85
2.70
3.40
5.30
8.65
16.0
46.0
106
1,500
 
68
December
1.30
3.90
5.20
8.00
12.0
21.0
56.0
119
1,160
 
68
 
       
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 7.9 cubic feet per second.

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

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