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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 01580000 DEER CREEK AT ROCKS, MD


Harford County, Maryland
Hydrologic Unit Code 02050306
Latitude  39°37'47.9", Longitude  76°24'11.9" NAD83
Drainage area 94.4  square miles
Gage datum 249.59 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 1926-10-01 -> 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
1 163 135 158 185 163 137 112 94 104 107 106 116
2 148 144 156 188 150 154 103 99 84 103 99 109
3 164 166 168 170 156 132 111 93 76 85 107 108
4 148 155 178 163 161 140 111 117 85 81 93 124
5 127 143 196 184 158 152 127 95 79 77 91 128
6 131 151 177 187 190 138 101 83 113 80 86 119
7 122 187 168 175 165 121 116 85 102 73 92 119
8 120 155 159 173 156 123 118 82 107 106 110 123
9 145 133 165 168 156 116 102 92 93 81 106 122
10 127 136 173 171 145 124 108 106 92 87 100 113
11 123 143 187 153 144 121 103 88 101 91 91 136
12 124 168 176 161 157 121 104 100 98 80 100 131
13 117 174 180 174 158 140 139 134 86 75 115 130
14 152 174 194 164 144 139 117 86 86 81 106 130
15 138 159 176 184 145 123 114 80 76 77 100 119
16 130 153 158 202 159 109 94 76 104 81 134 134
17 120 153 157 177 155 113 86 109 97 82 121 127
18 137 146 154 157 152 113 98 109 96 87 100 120
19 168 157 167 156 153 118 101 89 80 101 95 109
20 169 151 162 168 144 116 92 79 74 87 105 116
21 159 157 197 152 142 119 102 81 80 100 103 144
22 132 169 198 167 145 187 106 93 92 91 102 118
23 124 173 181 158 150 137 129 137 100 103 105 121
24 158 194 183 157 149 127 105 103 85 87 98 120
25 183 185 161 157 140 111 99 88 98 86 125 137
26 202 205 174 175 151 112 95 82 99 100 109 163
27 152 185 173 172 133 130 93 94 102 96 101 125
28 148 173 180 175 144 128 101 92 98 100 137 131
29 135 159 173 153 138 116 88 79 89 115 127 124
30 137   178 177 138 108 93 70 116 111 120 128
31 139   172   132   85 87   89   118