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USGS Surface-Water 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 730.39 feet above NAVD88
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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 -> 2024-09-30)

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
1 160 127 184 171 135 119 95 98 103 143 107 136
2 142 151 173 149 136 109 115 91 77 144 100 113
3 155 151 163 148 137 117 114 91 79 107 102 113
4 151 167 196 155 151 114 105 90 84 102 112 132
5 140 146 185 184 149 161 119 84 93 100 123 132
6 133 181 186 167 148 124 139 86 131 84 95 117
7 145 194 171 155 141 122 103 90 154 83 93 125
8 154 150 162 166 140 143 108 85 163 94 92 128
9 149 130 158 194 142 169 90 81 86 145 97 119
10 137 148 156 186 123 150 92 106 84 154 126 116
11 138 172 148 150 117 131 98 96 80 115 111 126
12 135 151 159 156 120 117 114 88 72 104 170 137
13 127 166 166 179 132 124 106 99 74 91 132 118
14 152 163 173 169 134 115 124 119 86 83 108 123
15 155 141 148 170 143 109 110 95 83 89 104 133
16 151 160 142 194 155 134 100 101 118 88 110 129
17 132 159 173 161 135 139 98 110 182 152 101 113
18 137 154 165 142 122 116 94 193 158 95 103 112
19 148 155 185 151 135 111 90 109 93 139 114 111
20 152 134 195 169 163 108 98 96 91 133 114 111
21 157 150 188 140 193 164 99 105 77 98 93 149
22 148 163 163 141 166 141 101 102 145 102 98 133
23 150 197 166 134 130 109 100 86 103 126 97 125
24 155 171 203 174 143 111 93 94 81 111 101 137
25 203 165 166 176 140 99 89 98 76 90 120 134
26 166 159 169 163 127 113 91 83 82 109 111 131
27 146 141 164 162 137 105 97 80 97 106 109 127
28 152 157 192 174 143 106 99 82 116 98 114 145
29 131 114 195 149 136 132 91 84 125 107 130 168
30 121   200 144 143 111 107 77 167 98 121 138
31 128   175   128   106 102   119   132