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USGS Daily Statistics for Virginia

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The statistics generated from this site are based on approved daily-mean data and may not match those published by the USGS in official publications. The user is responsible for assessment and use of statistics from this site. For more details on why the statistics may not match, click here.

USGS 02070000 NORTH MAYO RIVER NEAR SPENCER, VA


Henry County, Virginia
Hydrologic Unit Code 03010103
Latitude  36°34'05", Longitude  79°59'15" NAD27
Drainage area 108  square miles
Gage datum 730.94 feet above NGVD29
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00060, Discharge, cubic feet per second,
Day of
month
Mean of daily mean values for each day for water year of record in, ft3/s   (Calculation Period 1928-10-01 -> 2020-09-30)

Calculation period restricted by USGS staff due to special conditions at/near site
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
1 160 126 185 170 132 118 95 98 102 143 106 133
2 141 151 173 149 136 107 114 91 76 145 99 112
3 151 150 164 149 136 116 114 90 79 107 102 112
4 148 161 194 155 151 113 105 88 84 102 111 132
5 139 143 186 186 150 162 120 83 92 101 123 126
6 133 182 188 167 148 124 141 79 130 84 94 116
7 145 195 173 154 141 122 104 87 157 83 92 125
8 155 150 163 166 141 144 109 83 166 95 91 128
9 148 130 158 196 143 171 90 80 86 148 97 118
10 136 148 157 188 124 151 90 106 83 157 126 115
11 137 173 149 151 118 132 98 95 77 110 103 126
12 135 145 159 158 121 116 115 88 71 100 130 137
13 125 155 167 166 133 124 107 99 73 89 122 118
14 152 159 175 167 134 111 125 120 86 82 104 120
15 156 139 149 171 144 109 110 93 83 88 101 129
16 152 150 143 196 157 135 99 95 120 87 106 125
17 131 156 175 162 136 137 98 109 184 155 98 109
18 137 151 165 141 123 113 93 196 153 95 101 110
19 149 153 180 150 130 108 89 109 92 141 114 110
20 153 132 196 170 140 99 98 96 91 134 113 110
21 158 149 190 140 134 162 99 93 77 98 92 149
22 149 163 164 142 145 137 102 95 141 102 97 125
23 151 198 166 134 124 106 98 84 99 127 96 119
24 156 171 201 176 128 110 90 94 80 112 100 135
25 204 164 165 178 132 98 85 98 75 87 120 129
26 156 158 168 164 124 112 90 82 81 108 111 129
27 144 140 164 164 124 104 96 79 97 106 109 127
28 150 156 193 163 131 106 98 77 117 98 114 145
29 129 114 197 147 130 133 91 82 126 88 131 169
30 120   203 133 140 112 107 76 169 86 111 138
31 127   176   126   106 101   117   132