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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 01480617 West Branch Brandywine Creek at Modena, PA


Chester County, Pennsylvania
Hydrologic Unit Code 02040205
Latitude  39°57'42", Longitude  75°48'06" NAD27
Drainage area 55.0  square miles
Gage datum 262.52 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 1969-10-01 -> 2021-09-30)

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
1 110 91 116 137 127 85 99 56 48 78 67 99
2 95 106 135 159 92 86 68 56 45 47 55 92
3 93 141 103 145 96 81 72 45 42 55 79 88
4 98 115 104 124 100 88 79 83 41 43 54 78
5 89 99 124 118 92 88 74 53 36 48 63 116
6 81 95 113 103 104 82 60 42 72 44 62 85
7 78 98 117 105 88 79 88 43 60 40 56 87
8 92 95 114 107 95 86 58 42 71 98 72 91
9 88 80 122 108 95 74 50 55 73 75 71 104
10 83 85 144 129 96 76 54 64 44 76 64 85
11 82 92 140 102 91 74 72 52 42 74 63 112
12 91 106 112 101 95 73 61 51 48 58 74 108
13 78 136 128 120 103 90 85 107 52 45 88 107
14 95 106 147 104 95 74 96 53 46 45 81 121
15 80 105 127 132 85 65 65 44 57 55 72 89
16 79 113 109 172 111 62 60 39 96 53 73 113
17 71 93 116 128 101 80 52 47 69 53 81 126
18 89 97 111 99 84 88 52 42 67 52 65 105
19 129 95 127 89 111 85 51 47 58 114 61 86
20 129 98 145 99 80 91 57 43 48 68 82 81
21 115 102 161 95 78 103 78 45 47 66 69 133
22 81 113 198 99 78 147 72 61 78 57 62 95
23 86 126 134 93 80 90 66 45 72 51 81 94
24 138 154 134 100 84 71 61 40 75 59 64 99
25 150 169 113 107 71 65 49 36 62 57 83 127
26 164 123 111 110 84 74 45 35 62 52 91 117
27 123 97 126 112 74 94 56 57 81 77 81 97
28 116 100 118 99 76 99 78 111 71 81 110 81
29 99 104 120 93 93 104 51 47 67 80 98 80
30 89   128 127 87 69 53 43 57 83 115 76
31 98   133   78   53 51   63   78