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Virginia DEQ

Virginia Water Science Center

 
  Duration Plot and Table of 7-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 7-Day Average Streamflow Conditions
Provisional Data Subject to Revision 02069700 plot. SOUTH MAYO RIVER NEAR NETTLERIDGE, VA
Provisional Data Subject to Revision

                    

The current 7-day running-average value for 03/22/2017 is 56.29 cubic feet per second.

  explanation   Percentile Description Duration Plot Description 28 Day 14 Day 7 Day Daily
      Duration Table of 7-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
31.3
53.8
61.4
83.0
113
159
248
298
822
 
53
February
42.0
59.8
67.8
87.2
121
167
229
287
526
 
53
March
43.3
68.6
79.3
97.9
134
191
288
381
880
 
53
April
51.7
68.4
76.9
95.7
133
194
297
432
898
 
53
May
37.9
60.2
69.3
90.6
124
173
222
301
693
 
53
June
20.0
43.9
52.3
69.1
102
145
215
310
1,340
 
53
July
17.4
36.0
42.9
57.9
83.7
117
178
261
562
 
53
August
10.1
27.0
32.4
52.7
74.0
105
160
205
1,420
 
53
September
13.4
35.2
38.6
47.0
66.4
95.9
142
214
1,180
 
53
October
23.0
33.1
37.7
50.8
67.1
95.6
168
243
723
 
52
November
29.0
40.7
45.0
58.7
72.7
116
169
216
895
 
53
December
30.7
46.3
52.2
71.4
102
144
186
226
516
 
53
 
       

The current 7-day running-average value for 03/22/2017 is 56.29 cubic feet per second.

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

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