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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 01480870 East Branch Brandywine Creek below Downingtown, PA


Chester County, Pennsylvania
Hydrologic Unit Code 02040205
Latitude  39°58'07", Longitude  75°40'25" NAD27
Drainage area 89.9  square miles
Gage datum 195 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 -> 2020-09-30)

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
1 187 165 178 253 218 145 135 92 83 142 107 169
2 150 176 221 261 188 148 119 93 81 97 94 159
3 173 210 178 253 190 136 119 80 81 100 128 163
4 187 194 190 217 187 146 102 100 77 84 101 145
5 158 190 199 230 180 135 115 80 66 94 115 178
6 155 178 186 199 197 137 101 76 136 91 107 167
7 150 165 193 185 180 150 134 72 128 76 102 177
8 174 151 203 179 179 122 117 75 105 119 126 189
9 172 149 214 194 176 132 94 91 111 110 128 179
10 146 148 234 236 173 152 97 114 87 117 128 169
11 153 162 232 192 179 149 130 80 81 123 119 216
12 178 180 190 189 180 125 112 85 74 100 129 224
13 149 185 226 221 178 169 158 208 76 89 137 211
14 176 158 256 187 176 139 162 101 73 90 112 229
15 149 194 229 236 155 121 125 85 138 98 113 181
16 147 197 198 309 197 118 118 75 148 98 135 224
17 133 168 194 241 193 140 110 89 126 97 133 228
18 166 170 191 200 164 148 102 76 141 90 108 195
19 208 168 213 184 187 155 96 81 109 166 107 160
20 215 174 231 202 152 175 101 82 103 126 127 146
21 210 186 281 181 143 158 114 83 94 124 126 223
22 145 189 324 184 143 124 109 109 143 102 113 162
23 154 193 238 182 159 110 141 70 123 97 140 180
24 224 245 240 176 172 137 121 72 127 103 119 176
25 267 274 206 190 137 110 97 67 115 100 139 180
26 267 221 200 196 157 135 93 62 114 88 152 200
27 223 170 232 207 145 129 108 73 150 147 156 175
28 216 169 237 189 133 192 132 166 151 141 200 168
29 179 193 237 176 166 128 89 97 143 143 176 164
30 175   237 208 161 109 91 86 121 137 171 151
31 161   250   136   90 81   107   150