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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 01660920 ZEKIAH SWAMP RUN NEAR NEWTOWN, MD


Charles County, Maryland
Hydrologic Unit Code 02070011
Latitude  38°29'26.1", Longitude  76°55'37.5" NAD83
Drainage area 79.9  square miles
Gage datum 34.05 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 1982-10-01 -> 2025-09-30)

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
1 101 99 132 163 165 79 29 31 27 47 65 96
2 132 111 140 139 131 70 30 24 48 54 59 87
3 124 120 178 141 112 68 43 30 26 55 55 93
4 110 137 176 150 111 90 33 130 19 41 53 90
5 106 169 183 134 122 93 31 86 30 32 63 96
6 99 153 153 133 143 84 38 40 38 30 81 109
7 100 145 161 135 135 96 132 42 78 29 80 111
8 109 130 157 139 124 95 75 33 302 25 77 165
9 115 111 152 139 105 72 63 25 115 32 86 117
10 150 108 152 124 92 74 53 32 78 32 73 115
11 126 143 161 113 93 86 27 30 92 29 61 126
12 124 160 135 109 178 68 28 37 47 149 146 144
13 123 158 128 116 146 56 39 63 48 53 152 125
14 116 144 137 118 105 54 36 48 41 33 118 132
15 118 132 139 126 83 57 26 60 27 37 86 143
16 105 144 130 153 124 73 26 42 42 41 95 153
17 107 148 140 156 136 66 23 31 82 31 114 161
18 108 135 155 129 129 56 20 32 41 30 87 162
19 126 127 152 118 130 78 20 31 35 40 71 122
20 162 121 147 116 105 68 31 23 35 50 65 97
21 140 119 188 111 94 63 31 33 27 60 64 100
22 102 137 208 113 82 54 54 48 22 56 70 101
23 93 163 169 109 85 52 62 38 42 44 79 99
24 121 194 174 101 82 50 36 27 74 42 74 105
25 134 175 159 105 74 44 32 15 52 39 85 138
26 130 135 144 106 87 34 33 14 50 39 85 161
27 120 118 152 97 92 39 37 20 62 47 92 135
28 123 117 193 90 87 53 38 50 60 75 101 133
29 148 115 250 90 93 37 42 77 64 93 108 133
30 117   228 118 101 29 42 59 53 155 105 111
31 99   170   79   34 30   113   92