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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 -> 2022-09-30)

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
1 189 164 186 253 216 145 133 90 166 140 108 175
2 156 175 224 260 186 148 119 91 141 97 95 159
3 175 208 180 252 188 139 118 79 99 99 126 162
4 189 193 191 216 187 152 102 139 87 84 102 144
5 160 189 200 229 179 142 113 89 73 94 117 180
6 156 177 186 199 196 140 100 79 138 90 112 166
7 154 165 194 185 179 150 132 77 128 76 102 175
8 179 151 203 179 178 148 115 78 105 117 125 187
9 172 148 214 193 175 142 94 93 113 108 127 179
10 147 148 233 235 171 154 104 114 88 115 127 168
11 154 161 231 194 178 152 131 82 82 121 118 215
12 178 179 190 191 178 127 112 90 75 101 132 222
13 150 184 225 220 176 168 156 204 77 89 137 209
14 176 157 255 187 175 139 159 100 73 89 111 229
15 149 193 228 234 153 122 123 85 135 97 112 181
16 148 200 198 306 194 118 116 76 144 97 135 222
17 134 169 193 239 189 139 108 89 123 97 132 227
18 166 170 192 199 162 146 101 77 138 89 108 194
19 207 168 214 183 183 153 95 91 107 162 107 160
20 214 174 230 201 149 172 100 82 101 123 126 146
21 209 185 279 180 141 156 111 82 92 122 125 221
22 145 188 321 183 142 124 108 107 140 101 113 163
23 153 192 236 181 158 110 139 72 133 96 139 180
24 222 244 247 176 169 135 119 73 129 101 119 178
25 264 274 210 189 136 110 96 67 115 98 138 206
26 264 221 201 195 155 134 92 63 114 95 151 204
27 221 173 232 205 143 128 106 75 148 146 154 176
28 215 179 238 187 132 187 128 164 149 140 196 169
29 178 193 238 176 172 126 87 96 141 147 173 165
30 174   237 206 164 108 89 86 122 144 184 152
31 160   249   137   88 81   108   151