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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of Daily Streamflow
 
01669520 DRAGON SWAMP AT MASCOT, VA
LOCATION.--Latitude 3738'01", Longitude 7641'48", North American Datum of 1927,
                    King and Queen County, VA, Hydrologic Unit 02080102
DRAINAGE AREA.--109 square miles.
PERIOD OF RECORD.--August 1981 to current year.
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
01669520 plot. 
DRAGON SWAMP AT MASCOT, VA
Provisional Data Subject to Revision

                    

The current daily value for 02/25/2017 is 67.0 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


                01669520     DRAGON SWAMP AT MASCOT, VA

   Minimum daily flow
   5th percentile
 
   10th percentile
 
   25th percentile
 
 
   Median
 
 
   75th percentile
 
 
 
   90th percentile
 
 
 
   95th percentile
 
 
 
 
   Maximum daily flow
         
Years of record
January
23.0
39.8
49.0
80.0
120
187
262
358
910
 
34
February
21.0
48.0
55.1
88.0
147
209
297
388
2,690
 
34
March
21.0
49.0
65.0
103
160
235
374
489
2,530
 
34
April
7.70
46.0
60.0
94.2
138
212
309
407
2,380
 
34
May
3.30
17.0
30.0
55.0
95.5
154
207
293
1,570
 
34
June
0.41
2.80
6.12
20.0
52.0
100
167
235
1,070
 
34
July
0.00
0.50
2.00
6.78
23.0
80.0
167
224
2,800
 
34
August
0.00
0.23
1.10
5.00
22.0
82.0
197
273
3,060
 
34
September
0.00
0.34
0.97
4.40
14.0
61.2
196
386
6,050
 
35
October
0.35
1.08
4.85
12.0
30.0
90.2
153
227
2,210
 
34
November
1.10
16.0
22.0
37.0
65.0
131
229
285
1,980
 
34
December
15.0
33.0
40.0
63.0
105
158
246
332
1,060
 
34
 
       
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 02/25/2017 is 67.0 cubic feet per second.

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

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