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USGS 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 01480700 East Branch Brandywine Creek near Downingtown, PA


Chester County, Pennsylvania
Hydrologic Unit Code 02040205
Latitude  40°02'05", Longitude  75°42'32" NAD27
Drainage area 60.6  square miles
Contributing drainage area 60.6  square miles
Gage datum 270 feet above NGVD29
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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 1973-10-01 -> 2023-09-30)

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
1 124 104 122 153 134 87 79 55 106 78 71 115
2 116 108 135 155 117 84 76 55 71 59 65 100
3 121 130 113 150 115 81 70 48 62 62 80 102
4 117 127 122 128 115 92 61 84 52 56 71 92
5 105 119 124 136 109 86 66 56 45 60 81 121
6 107 107 116 123 119 84 59 50 88 57 76 111
7 107 104 118 119 114 86 81 48 71 48 69 118
8 118 95 123 115 111 87 71 46 63 72 88 116
9 111 93 125 121 110 88 66 52 67 68 90 123
10 98 94 144 148 105 89 61 61 55 75 84 113
11 101 101 136 119 112 89 69 49 50 70 79 137
12 114 108 119 122 111 79 68 52 46 65 87 130
13 100 113 138 138 108 104 86 99 48 61 89 119
14 113 100 158 119 110 84 92 59 45 60 74 139
15 98 122 142 144 95 77 73 53 71 64 77 120
16 100 126 122 186 123 77 66 48 86 65 89 147
17 95 107 120 145 114 86 60 52 67 64 83 142
18 108 110 118 126 98 91 59 47 79 59 70 126
19 133 105 139 123 112 90 58 47 61 99 70 103
20 140 106 142 121 92 98 60 45 57 80 83 94
21 130 111 175 111 86 85 65 48 54 78 79 149
22 93 108 189 112 87 77 70 59 80 66 75 104
23 102 114 146 109 98 73 75 43 83 63 87 119
24 143 155 157 106 102 75 70 42 75 62 79 115
25 165 163 134 117 81 68 64 39 71 61 85 138
26 169 136 125 116 93 77 56 37 74 60 96 131
27 138 110 138 121 88 79 63 41 85 85 93 113
28 122 118 147 119 82 103 77 94 86 85 121 108
29 113 129 138 112 108 71 55 59 77 92 114 106
30 107   140 137 97 64 53 53 68 86 123 98
31 109   146   85   53 53   70   97