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USGS Surface-Water 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 01591610 PATUXENT RIVER BELOW BRIGHTON DAM NEAR BRIGHTON,MD


Montgomery County, Maryland
Hydrologic Unit Code 02060006
Latitude  39°11'31.9", Longitude  77°00'15.8" NAD83
Drainage area 78.6  square miles
Gage datum 302.98 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 1980-10-01 -> 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 92 83 113 131 133 94 98 70 58 59 61 87
2 104 83 107 126 98 90 100 64 56 63 61 95
3 94 88 95 134 102 85 89 60 57 65 61 74
4 79 80 99 130 95 88 84 64 73 66 60 70
5 73 73 107 124 88 90 83 68 81 66 59 86
6 72 69 118 116 124 91 84 64 75 67 62 77
7 93 78 120 128 106 103 81 61 86 67 68 91
8 97 81 116 123 90 107 82 60 78 69 61 98
9 81 84 129 118 105 95 84 59 73 64 67 101
10 84 91 140 109 97 102 83 58 72 62 70 98
11 88 93 148 107 97 102 82 62 74 61 66 113
12 89 83 145 110 98 97 85 71 79 59 59 85
13 74 84 107 115 98 95 81 71 79 56 57 82
14 72 99 107 108 95 105 78 67 81 57 63 79
15 77 96 110 116 97 90 71 71 91 56 64 84
16 74 95 106 133 103 79 68 69 89 58 63 97
17 78 100 110 137 120 78 65 64 75 62 70 87
18 83 86 119 143 120 72 66 64 81 61 79 79
19 83 92 124 139 110 81 70 63 74 74 82 85
20 89 99 124 119 102 98 71 60 70 77 90 92
21 96 111 128 97 91 100 71 58 70 77 87 91
22 86 102 127 95 91 86 67 57 66 70 81 90
23 79 94 114 94 100 84 65 58 75 62 90 86
24 85 119 110 92 104 93 65 58 75 70 83 75
25 78 133 120 97 97 82 62 56 74 68 82 70
26 83 118 127 100 94 88 61 65 72 63 83 79
27 80 118 121 108 91 109 61 73 72 64 79 102
28 76 115 127 122 91 97 64 69 66 73 80 106
29 77 124 135 119 85 86 67 66 59 81 79 111
30 77   147 146 88 93 70 63 59 75 81 97
31 151   157   89   72 59   60   92