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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 -> 2024-09-30)

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 96 112 142 107 75 66 64 89 67 54 87
2 120 114 104 146 91 82 67 61 49 63 50 78
3 102 124 129 120 91 133 97 70 49 51 58 76
4 108 131 127 115 103 108 88 80 44 38 59 81
5 98 118 125 114 103 102 61 85 72 42 68 121
6 88 102 133 126 136 73 60 78 100 40 67 98
7 95 127 126 117 117 124 57 53 81 44 81 109
8 95 99 122 111 92 65 62 66 72 83 108 99
9 121 82 131 114 102 62 72 86 56 50 79 110
10 110 83 116 108 78 97 59 97 68 63 69 87
11 88 102 98 94 81 81 57 77 72 46 66 129
12 96 114 121 90 142 53 53 98 78 48 115 93
13 80 124 135 140 108 72 90 110 65 34 84 116
14 118 112 141 103 79 81 105 60 60 75 72 109
15 85 109 113 160 96 67 64 56 41 53 74 113
16 82 115 122 136 157 54 64 50 97 73 82 138
17 77 103 127 99 110 56 46 42 65 59 67 106
18 91 116 107 80 96 92 65 80 78 52 50 119
19 122 152 136 82 100 82 47 57 51 74 58 75
20 120 110 130 117 84 99 65 95 34 59 71 71
21 92 105 191 101 77 91 73 72 46 62 68 104
22 80 144 140 99 81 118 67 40 62 47 88 100
23 98 145 153 80 92 79 81 50 99 56 64 101
24 122 137 148 84 89 64 60 42 57 42 67 103
25 133 123 101 86 92 60 75 69 79 74 94 108
26 139 113 146 103 134 105 46 52 134 86 88 124
27 96 96 137 115 77 67 68 75 79 106 79 88
28 125 108 146 122 89 60 91 81 63 79 124 91
29 87 96 144 84 95 48 74 38 52 115 107 96
30 83   131 116 74 53 50 30 66 78 94 96
31 82   125   80   46 51   51   97