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USGS 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 -> 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
1 164 125 158 196 152 105 95 84 83 126 96 112
2 154 140 149 210 132 128 95 75 60 84 73 120
3 150 160 168 183 136 134 114 65 58 68 78 99
4 137 160 173 166 136 138 88 109 82 57 69 115
5 122 146 178 173 138 134 83 67 91 56 83 140
6 116 140 176 158 190 123 88 78 164 59 76 120
7 121 168 180 157 166 151 73 66 101 58 82 123
8 116 141 156 152 145 112 119 80 157 69 104 116
9 142 118 151 161 132 100 91 85 110 80 100 126
10 130 121 152 167 125 146 82 79 72 91 90 112
11 116 134 154 138 129 116 81 66 113 68 82 183
12 126 147 165 139 162 106 74 89 156 69 93 124
13 124 162 162 175 137 133 81 109 73 62 105 132
14 149 174 175 154 124 124 84 67 87 75 91 133
15 123 157 156 172 128 96 81 66 67 68 84 129
16 121 145 149 190 197 90 75 62 81 77 103 148
17 106 140 161 175 154 96 69 68 79 63 103 122
18 115 145 150 139 142 145 74 84 73 77 82 138
19 170 162 163 133 168 122 73 67 72 109 84 109
20 166 149 161 151 123 117 77 83 54 76 97 105
21 144 144 218 145 134 131 149 74 59 73 91 134
22 120 158 198 146 130 216 103 77 80 63 107 120
23 115 177 207 136 148 122 97 94 110 104 91 128
24 153 187 194 131 147 96 89 88 86 81 90 120
25 167 199 153 136 130 85 73 61 96 85 120 133
26 187 197 175 153 138 128 66 73 151 83 99 162
27 136 151 170 164 136 128 67 89 92 101 98 133
28 151 147 189 148 141 116 91 65 82 99 166 118
29 127 142 191 127 132 86 95 60 71 110 135 124
30 131   184 155 111 100 77 54 86 126 115 135
31 155   184   114   87 52   80   122