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USGS Surface-Water Daily Statistics for Maryland

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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 01645000 SENECA CREEK AT DAWSONVILLE, MD


Montgomery County, Maryland
Hydrologic Unit Code 02070008
Latitude  39°07'41.1", Longitude  77°20'08.8" NAD83
Drainage area 101  square miles
Gage datum 213.31 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 1929-10-01 -> 2021-09-30)

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
1 166 125 160 196 153 106 96 85 81 127 97 113
2 152 141 149 209 133 130 95 76 58 83 73 122
3 151 161 169 179 137 136 116 65 58 68 79 98
4 138 159 172 164 135 139 89 112 84 56 70 115
5 122 146 178 173 138 136 84 66 93 55 84 142
6 116 141 177 154 191 123 88 79 161 59 77 121
7 119 170 182 155 155 154 73 64 99 58 82 125
8 116 142 157 151 142 113 122 75 160 70 105 118
9 136 119 149 161 131 96 92 73 108 81 101 128
10 119 122 147 168 125 149 82 75 71 92 91 112
11 114 136 154 138 130 117 82 62 113 69 81 179
12 126 149 165 140 163 105 74 89 157 69 92 124
13 118 158 162 177 138 135 81 110 68 62 106 133
14 148 174 177 156 124 126 84 66 87 75 92 134
15 123 157 157 175 128 95 81 66 67 68 84 123
16 121 146 150 193 199 90 75 62 81 78 101 142
17 103 135 162 178 156 97 69 67 78 63 103 120
18 114 144 150 141 143 148 72 82 73 77 82 123
19 172 163 164 133 171 124 73 64 72 111 84 106
20 165 150 162 153 124 120 78 83 54 77 99 105
21 144 145 221 147 136 134 151 74 59 74 91 135
22 121 159 202 148 130 223 105 77 80 64 104 118
23 115 179 208 137 140 122 98 95 97 106 91 115
24 154 189 195 132 146 96 91 89 77 82 90 118
25 168 201 153 138 130 85 74 62 94 86 121 134
26 188 200 176 155 138 131 67 74 153 82 100 163
27 136 152 172 167 136 131 68 90 92 102 99 133
28 142 149 191 149 138 119 93 66 82 100 169 116
29 124 142 194 127 132 87 96 60 71 109 137 124
30 130   187 155 112 102 77 53 86 125 116 136
31 156   186   116   88 52   80   123