Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins

USGS Daily Statistics for Pennsylvania

Click to hide state-specific text

[!] Over the next year, the USGS Pennsylvania Water Science Center will be updating the geodetic vertical elevation (gage datum) for many locations. Click HERE for additional information including a current list of streamgages with upcoming datum changes. This update in gage datum does not affect the location of the streamgage, nor the observed local gage height or discharge recorded at the streamgage.


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
Output formats
HTML table of all data
Tab-separated data
Reselect output format

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 -> 2025-09-30)

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 89 114 136 134 83 96 55 90 76 67 97
2 99 104 132 157 92 84 66 55 65 50 55 90
3 93 141 101 142 95 79 70 45 43 57 78 86
4 98 122 104 121 99 86 76 80 42 46 53 77
5 88 100 122 115 91 85 71 52 37 50 63 113
6 80 94 111 105 103 81 59 43 75 45 61 84
7 77 97 115 110 97 77 86 48 59 40 56 89
8 90 94 112 114 98 84 56 55 68 96 71 90
9 87 79 120 109 95 73 54 67 72 74 70 102
10 82 84 141 128 95 74 58 68 46 74 63 84
11 81 90 137 102 90 72 71 54 43 73 62 109
12 89 104 110 100 94 74 59 52 48 57 75 106
13 77 133 126 118 101 89 82 103 52 45 87 105
14 94 104 144 103 94 72 94 52 46 46 79 117
15 78 103 125 129 85 64 63 43 55 54 71 91
16 78 111 107 167 109 62 59 39 92 53 75 119
17 78 93 114 125 99 78 52 46 66 53 80 125
18 89 96 109 99 83 85 52 42 64 52 64 104
19 127 94 125 99 109 82 51 47 56 111 61 84
20 131 96 142 99 79 88 56 43 47 66 81 80
21 115 100 157 94 77 99 76 44 46 65 68 129
22 81 111 193 98 77 141 70 59 75 56 61 94
23 87 124 131 92 80 92 65 45 77 51 80 101
24 136 150 132 98 83 70 59 39 78 58 63 99
25 148 167 114 104 70 64 49 35 64 57 81 124
26 166 122 110 108 82 73 44 35 61 56 89 114
27 121 96 124 110 73 94 54 55 78 76 80 95
28 114 99 116 98 75 97 76 106 69 79 107 80
29 98 104 118 93 91 101 51 46 65 80 96 79
30 88   125 129 85 68 51 42 55 88 112 75
31 97   130   76   52 50   63   77