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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 249.60 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 -> 2019-09-30)

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
1 160 135 155 184 159 138 113 94 98 109 95 114
2 142 145 155 189 149 156 103 100 78 105 96 107
3 164 167 168 171 156 131 112 94 76 86 100 107
4 147 153 176 163 160 138 112 114 86 75 92 123
5 124 143 198 186 155 135 129 95 80 72 89 127
6 129 150 179 187 189 135 101 84 112 78 82 118
7 121 187 169 175 159 121 117 84 103 72 91 119
8 118 155 160 172 153 124 119 80 109 107 110 124
9 145 132 166 168 153 116 101 92 94 80 105 122
10 126 136 172 172 143 125 107 108 94 87 98 112
11 122 143 188 152 143 120 103 88 102 90 89 137
12 123 168 177 161 155 121 104 101 99 77 94 132
13 116 173 182 166 155 140 142 137 87 73 110 131
14 152 175 196 163 142 140 119 87 87 80 105 129
15 138 159 178 184 144 124 116 81 77 76 99 116
16 130 152 159 204 159 109 95 77 106 80 129 122
17 115 151 158 178 155 113 86 112 99 81 119 121
18 137 145 155 157 153 114 98 111 98 87 98 118
19 169 158 168 154 153 119 102 89 81 101 94 107
20 160 152 164 168 144 117 92 80 76 87 105 115
21 158 157 191 152 143 120 102 82 81 101 103 133
22 131 170 184 169 145 191 101 93 95 91 102 114
23 123 174 180 159 150 138 125 140 95 103 105 112
24 154 195 180 157 149 128 104 105 82 85 90 112
25 178 185 158 158 140 111 100 90 98 85 117 122
26 202 208 174 176 153 113 93 83 100 98 106 161
27 152 186 173 173 133 131 93 95 104 92 99 123
28 148 170 180 176 144 128 102 93 100 99 137 124
29 134 161 173 152 137 117 87 79 91 112 127 121
30 137   179 171 138 109 94 70 119 108 117 126
31 140   173   133   86 89   85   115