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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 01649500 NORTHEAST BRANCH ANACOSTIA RIVER AT RIVERDALE, MD


Prince George'S County, Maryland
Hydrologic Unit Code 02070010
Latitude  38°57'36.9", Longitude  76°55'33.5" NAD83
Drainage area 72.8  square miles
Gage datum 11.55 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 1937-10-01 -> 2025-09-30)

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
1 139 96 111 144 107 75 65 63 88 66 53 87
2 120 114 108 148 90 81 66 60 49 63 50 78
3 102 124 129 131 90 132 96 70 49 50 57 76
4 108 131 127 118 104 107 87 80 43 38 59 81
5 98 118 127 115 105 101 60 84 72 42 68 121
6 88 102 133 126 135 74 60 77 99 40 66 98
7 95 127 127 117 117 123 57 53 80 43 81 109
8 95 99 121 110 91 64 61 71 71 83 107 99
9 121 82 135 114 102 61 71 94 55 49 78 110
10 110 83 120 107 78 96 58 97 67 62 68 87
11 88 102 99 94 81 80 56 77 71 46 65 129
12 96 114 120 90 142 53 52 97 77 48 114 93
13 80 124 134 139 108 71 89 109 64 34 83 116
14 118 112 140 103 79 81 104 59 59 74 72 109
15 85 109 113 159 96 67 64 56 40 53 74 113
16 82 114 121 135 156 53 63 49 96 73 82 138
17 77 102 126 98 109 56 46 43 65 59 66 106
18 91 115 106 80 96 91 64 80 78 52 49 119
19 122 150 135 81 99 82 46 58 50 73 58 75
20 120 109 129 116 84 98 65 95 33 59 71 71
21 92 104 189 100 77 91 73 71 46 61 68 104
22 80 142 139 98 81 117 66 40 62 46 88 100
23 98 143 161 79 91 78 81 49 98 55 64 101
24 122 136 149 83 88 64 60 42 56 42 67 103
25 133 122 101 86 91 60 75 68 78 73 94 108
26 139 112 145 103 133 103 46 51 137 85 88 124
27 96 95 140 114 78 66 67 74 79 105 79 88
28 125 107 148 121 89 59 90 80 64 79 124 91
29 87 95 144 83 95 47 73 38 52 114 107 96
30 83   130 115 74 53 50 30 65 78 94 96
31 82   125   80   46 51   50   97