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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 01638480 CATOCTIN CREEK AT TAYLORSTOWN, VA


Loudoun County, Virginia
Hydrologic Unit Code 02070008
Latitude  39°15'18", Longitude  77°34'36" NAD27
Drainage area 89.5  square miles
Gage datum 246.8 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 1970-10-01 -> 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
1 152 125 168 199 134 92 106 43 54 79 48 100
2 140 133 152 199 122 87 72 29 29 48 46 124
3 118 158 158 189 128 92 81 33 23 61 57 83
4 106 177 198 191 150 109 47 47 27 37 50 74
5 98 171 185 190 128 140 50 29 35 42 60 112
6 84 136 175 145 155 89 57 32 102 33 60 79
7 85 140 180 146 144 88 44 57 60 31 59 103
8 163 110 179 141 126 76 76 46 29 37 72 114
9 132 97 173 151 120 64 42 46 33 166 56 116
10 129 93 189 180 116 73 42 25 32 79 55 106
11 103 107 186 127 115 126 65 29 35 49 54 255
12 115 166 170 121 235 123 34 33 55 53 64 126
13 110 132 182 144 133 117 44 110 32 59 74 154
14 132 170 184 128 114 89 35 28 28 39 61 118
15 100 114 170 158 137 66 35 23 22 38 59 141
16 119 123 144 194 370 67 30 22 31 34 75 173
17 100 117 151 209 221 87 26 31 33 33 71 119
18 106 115 147 129 180 72 25 31 46 44 61 126
19 176 130 187 122 160 61 32 22 41 71 66 100
20 168 137 168 132 123 61 34 20 27 57 72 87
21 135 140 302 164 132 130 40 25 29 49 53 109
22 99 153 219 158 112 245 47 32 47 39 59 121
23 108 161 182 121 128 89 41 21 146 59 89 141
24 168 210 177 139 156 72 43 25 51 49 75 124
25 178 194 146 124 134 57 42 18 104 112 79 159
26 174 179 146 121 105 55 31 18 91 62 76 161
27 131 142 145 137 90 56 25 21 65 50 68 122
28 173 146 196 144 108 78 28 26 155 55 95 107
29 123 163 220 117 97 78 55 19 87 89 121 111
30 116   213 157 83 110 31 16 89 154 109 99
31 174   184   87   51 15   59   101