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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 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 -> 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
1 163 135 158 185 162 137 112 94 104 108 106 116
2 148 144 156 188 150 155 103 99 84 104 99 109
3 164 166 168 170 157 133 112 93 77 85 107 108
4 148 155 178 163 161 141 111 118 86 81 93 124
5 127 143 196 184 158 153 128 95 80 77 91 128
6 131 151 177 187 191 139 101 84 114 80 86 119
7 122 187 168 175 166 122 117 85 103 73 92 119
8 120 155 159 173 156 124 119 81 108 106 110 123
9 145 133 165 168 156 116 101 92 94 81 106 122
10 127 136 173 171 145 125 107 107 93 87 100 113
11 123 143 187 153 145 121 103 88 101 91 91 136
12 124 168 176 162 158 122 105 101 98 80 100 131
13 117 174 180 175 159 140 140 135 86 75 115 130
14 152 174 194 165 144 140 118 87 86 81 106 130
15 138 159 176 185 146 124 114 80 77 77 100 119
16 130 153 158 203 159 109 95 76 105 81 134 134
17 120 153 157 178 156 113 86 110 97 82 121 127
18 137 146 154 158 153 114 98 110 96 87 100 120
19 168 157 167 157 153 118 101 89 80 101 95 109
20 169 151 162 169 145 117 91 79 75 87 105 116
21 159 157 197 152 143 120 101 82 80 100 103 144
22 132 169 198 168 146 188 107 93 93 91 102 118
23 124 173 181 158 151 138 130 138 101 103 105 121
24 158 194 183 157 149 128 105 104 83 87 98 120
25 183 185 161 158 140 111 99 89 97 86 125 137
26 202 205 174 176 152 112 95 82 99 100 109 163
27 152 185 173 173 134 130 93 94 102 96 101 125
28 148 173 180 175 144 127 101 93 99 100 137 131
29 135 159 173 152 139 116 87 79 90 115 127 124
30 137   178 177 138 108 93 70 117 111 120 128
31 139   172   133   85 88   89   118