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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 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 38 - 39 years of record in, ft3/s   (Calculation Period 1980-10-01 -> 2019-09-30)

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 83 82 100 135 139 96 97 72 58 60 58 86
2 97 81 96 130 100 92 99 66 56 64 57 95
3 85 87 95 140 100 89 85 64 57 66 57 73
4 70 81 99 136 91 92 79 68 74 67 56 70
5 67 74 108 122 82 90 78 73 83 68 57 89
6 69 70 121 110 122 88 79 67 77 69 58 79
7 93 78 124 131 101 100 76 62 91 68 60 96
8 98 83 120 128 83 102 76 60 81 70 54 103
9 79 88 133 122 100 89 76 60 75 62 60 106
10 82 96 142 110 93 105 74 61 74 60 63 102
11 86 96 149 106 93 108 73 66 77 59 62 120
12 85 83 147 114 97 97 78 77 82 57 54 87
13 66 79 105 121 98 94 73 75 83 53 52 84
14 64 96 103 112 95 104 73 71 85 54 58 81
15 70 96 108 117 97 90 68 75 96 52 59 87
16 66 93 104 136 104 80 67 73 95 55 58 76
17 71 95 108 139 123 79 64 67 79 59 66 72
18 77 85 117 146 123 73 65 67 85 58 76 76
19 77 93 123 141 112 82 69 66 77 73 80 78
20 84 102 123 119 103 100 70 63 73 76 89 80
21 93 115 124 95 91 104 70 61 73 76 85 82
22 83 104 121 92 92 89 66 59 69 68 78 83
23 74 91 106 91 96 84 65 58 72 58 89 82
24 82 118 104 90 105 91 64 60 69 68 80 71
25 73 137 118 96 101 77 61 58 72 66 77 66
26 78 119 127 100 97 83 60 67 71 61 78 75
27 76 117 121 109 93 106 60 76 72 62 75 102
28 72 109 128 125 89 93 63 71 67 72 78 107
29 74 130 137 122 78 84 67 68 59 80 77 112
30 75   151 152 87 91 71 64 59 74 79 91
31 160   162   91   73 59   58   83