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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 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 -> 2023-09-30)

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
1 102 98 137 166 169 82 28 32 27 49 68 99
2 135 112 142 141 135 74 29 25 50 57 62 90
3 127 123 174 138 115 71 44 31 27 57 57 94
4 113 143 177 133 115 94 34 136 20 42 56 90
5 109 178 184 127 125 98 32 90 31 33 66 98
6 101 159 152 133 147 88 40 42 40 31 85 112
7 97 148 157 137 138 100 138 44 82 30 84 115
8 107 134 156 141 126 100 78 33 317 26 80 172
9 114 114 154 142 107 76 65 25 121 33 90 121
10 109 112 151 126 93 77 55 32 80 33 77 119
11 112 150 161 115 95 91 28 31 87 31 64 112
12 124 167 136 111 184 71 29 39 44 156 153 126
13 122 151 130 118 151 59 41 66 49 56 160 121
14 115 134 140 121 108 57 38 50 43 34 124 134
15 120 131 142 129 84 59 27 62 28 38 90 146
16 107 142 133 158 128 77 23 43 44 42 100 157
17 110 144 144 161 141 69 21 32 86 32 120 166
18 111 132 160 133 133 59 19 33 43 31 91 130
19 131 129 157 121 134 81 18 32 37 42 74 99
20 170 123 152 120 108 71 28 24 37 52 67 92
21 146 123 195 115 97 67 30 34 28 62 66 100
22 106 142 216 116 85 56 55 50 22 59 64 102
23 95 171 161 111 88 53 64 40 42 46 70 101
24 126 205 155 103 85 51 37 28 72 44 73 107
25 139 184 156 109 77 46 33 16 47 40 87 142
26 134 141 144 110 90 35 33 15 48 41 88 166
27 123 124 153 100 96 41 37 21 63 50 95 138
28 119 122 191 91 90 55 39 53 62 78 104 114
29 138 114 252 87 97 38 44 81 67 98 112 121
30 114   233 118 106 30 42 61 55 163 109 109
31 99   173   82   34 30   119   92