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USGS Daily Statistics for the Nation

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 91 - 92 years of record in, ft3/s   (Calculation Period 1926-10-01 -> 2018-09-30)

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
1 160 135 155 184 159 137 113 93 91 107 95 114
2 142 145 155 189 149 155 103 98 76 103 96 107
3 164 167 168 171 157 129 111 92 74 84 100 107
4 147 153 176 163 160 135 111 108 85 75 92 123
5 124 143 198 186 155 134 129 93 79 72 89 127
6 129 150 179 187 189 134 101 82 112 78 82 118
7 121 187 169 175 159 120 117 83 103 72 91 119
8 118 155 160 172 154 123 119 79 107 107 110 124
9 145 132 166 168 154 115 101 91 83 80 105 122
10 126 136 172 172 143 123 107 108 87 87 98 112
11 122 143 188 152 143 117 103 87 99 90 89 137
12 123 168 177 161 155 120 104 100 96 77 94 132
13 116 173 182 166 154 140 142 130 84 73 110 131
14 152 175 196 163 141 139 119 85 85 80 105 129
15 138 159 178 184 143 123 116 80 75 76 99 116
16 130 152 159 204 157 109 95 76 105 80 129 122
17 115 151 158 178 151 113 86 111 97 81 119 121
18 137 145 155 157 151 113 98 107 93 87 98 118
19 169 158 168 154 149 118 102 87 79 101 94 107
20 160 152 164 168 142 117 92 78 74 87 105 115
21 158 157 191 152 141 119 102 78 80 101 103 133
22 131 170 184 169 143 191 99 86 93 91 102 114
23 123 174 180 159 148 138 122 139 93 103 105 112
24 154 195 180 157 149 128 97 104 80 85 90 112
25 178 185 158 158 140 110 84 88 95 85 117 122
26 202 208 174 176 152 113 86 82 97 98 106 161
27 152 186 173 173 132 131 91 95 101 92 99 123
28 148 170 180 176 142 128 99 92 89 99 137 124
29 134 161 173 152 136 117 86 78 87 112 127 121
30 137   179 171 137 109 93 69 117 108 117 126
31 140   173   132   85 81   85   115