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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of 28-Day Average Streamflow
 
02069700 SOUTH MAYO RIVER NEAR NETTLERIDGE, VA
LOCATION.--Latitude 36°34'15", Longitude 80°07'47", North American Datum of 1927,
                    Patrick County, VA, Hydrologic Unit 03010103.
DRAINAGE AREA.--85.5 square miles.
PERIOD OF RECORD.--October 1962 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 28-Day Average Streamflow Conditions
Provisional Data Subject to Revision 02069700 plot. SOUTH MAYO RIVER NEAR NETTLERIDGE, VA
Provisional Data Subject to Revision

                    

The current 28-day running-average value for 03/22/2017 is 58.04 cubic feet per second.

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


                02069700     SOUTH MAYO RIVER NEAR NETTLERIDGE, VA

   Minimum daily flow
   5th percentile
 
   10th percentile
 
   25th percentile
 
 
   Median
 
 
   75th percentile
 
 
 
   90th percentile
 
 
 
   95th percentile
 
 
 
 
   Maximum daily flow
         
Years of record
January
37.6
53.8
66.5
86.6
124
155
200
228
303
 
53
February
48.2
60.3
70.6
94.0
134
173
223
262
352
 
53
March
50.9
72.8
81.0
101
141
194
259
311
450
 
53
April
62.4
74.6
82.1
107
145
211
306
355
509
 
53
May
47.6
66.0
73.3
101
129
193
242
290
538
 
53
June
27.3
54.3
62.4
80.6
114
167
218
256
456
 
53
July
22.6
43.8
50.5
63.6
96.9
127
198
259
590
 
53
August
16.1
32.8
39.5
56.4
79.6
117
170
234
439
 
53
September
17.6
39.4
42.4
52.2
74.5
106
150
178
452
 
53
October
30.4
36.9
43.2
53.2
69.3
102
152
243
492
 
52
November
29.4
40.3
46.8
61.0
72.5
118
166
207
350
 
53
December
30.4
44.1
51.5
73.0
98.8
139
174
199
334
 
53
 
       

The current 28-day running-average value for 03/22/2017 is 58.04 cubic feet per second.

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

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