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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 01581920 GUNPOWDER FALLS NEAR PARKTON, MD


Baltimore County, Maryland
Hydrologic Unit Code 02060003
Latitude  39°37'08.0", Longitude  76°41'25.1" NAD83
Drainage area 81.5  square miles
Gage datum 355.43 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 1999-10-01 -> 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 92 121 103 127 162 108 70 129 90 111 97 83
2 90 101 159 136 125 131 70 141 90 114 88 82
3 90 116 123 148 113 117 74 121 88 108 82 86
4 90 152 100 132 110 131 76 155 84 94 78 80
5 90 147 114 119 115 130 73 122 81 93 76 78
6 94 153 104 108 114 133 72 112 80 103 76 79
7 95 156 97 108 111 125 97 109 145 97 74 90
8 91 123 97 114 106 123 117 111 287 91 72 101
9 88 106 99 114 100 114 101 108 153 91 68 109
10 95 100 108 104 97 113 85 100 146 89 68 102
11 113 98 178 101 98 118 77 94 127 118 71 129
12 126 94 161 106 99 132 81 87 125 116 73 138
13 112 92 149 112 94 122 83 97 122 100 76 105
14 127 91 157 108 89 115 80 99 112 98 71 97
15 121 91 136 125 101 108 77 96 116 99 68 97
16 116 97 125 134 133 100 79 97 113 95 71 90
17 113 104 119 131 129 99 91 97 110 96 73 96
18 126 93 108 111 112 106 86 90 113 99 70 94
19 115 86 104 105 136 100 83 88 113 92 70 89
20 102 87 103 114 127 100 83 85 119 91 83 89
21 104 89 100 110 119 99 82 79 110 85 76 92
22 99 96 96 110 116 91 79 81 105 81 78 88
23 104 102 104 124 111 86 105 84 141 78 134 99
24 105 107 116 114 108 85 203 84 126 81 103 109
25 113 123 106 106 110 83 197 85 116 85 88 102
26 109 103 101 111 112 84 186 87 114 75 82 125
27 105 97 96 131 113 85 124 95 123 81 91 127
28 101 95 107 127 126 87 110 108 136 95 85 109
29 97 127 123 119 119 80 98 152 155 138 87 102
30 100   133 153 112 71 94 105 142 209 83 98
31 182   143   109   97 92   126   93