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USGS Daily Statistics for Maryland

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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 01582500 GUNPOWDER FALLS AT GLENCOE, MD


Baltimore County, Maryland
Hydrologic Unit Code 02060003
Latitude  39°32'58.9", Longitude  76°38'10.0" NAD83
Drainage area 160  square miles
Gage datum 244.13 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 38 - 39 years of record in, ft3/s   (Calculation Period 1977-10-01 -> 2019-09-30)

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
1 191 234 224 298 277 226 176 220 150 213 164 196
2 198 218 261 313 243 232 166 214 144 190 156 185
3 198 231 240 302 236 216 176 189 139 165 155 189
4 180 250 238 282 240 229 172 197 142 145 147 183
5 174 252 271 287 250 224 169 177 144 150 147 231
6 172 254 250 274 307 218 172 184 265 154 146 204
7 179 245 232 259 262 213 232 179 268 151 142 193
8 202 217 233 251 250 201 221 176 309 184 174 192
9 203 205 248 256 245 200 173 167 222 154 159 206
10 197 204 277 265 237 203 160 165 195 182 161 195
11 217 212 303 250 248 200 155 165 190 200 162 230
12 227 260 268 246 253 202 164 167 179 182 161 218
13 207 226 264 250 246 215 184 196 176 166 157 229
14 216 225 290 242 238 206 174 168 155 166 154 234
15 211 218 274 285 238 197 168 167 153 168 148 204
16 214 217 262 316 272 177 160 168 169 157 195 198
17 205 208 250 294 267 185 162 165 163 156 172 208
18 245 209 244 257 249 187 163 156 190 165 155 196
19 273 201 244 243 263 201 161 154 160 185 154 185
20 257 213 247 252 249 203 162 152 159 175 164 182
21 289 235 282 242 239 197 160 142 158 185 158 195
22 227 262 272 254 234 184 162 151 188 156 158 192
23 216 297 261 261 234 179 178 136 196 164 204 204
24 313 291 293 247 258 190 244 134 164 171 166 206
25 283 327 266 236 240 180 248 133 171 158 159 219
26 293 314 260 232 245 184 226 137 168 143 170 223
27 237 235 268 256 230 184 186 141 187 160 173 209
28 244 224 274 247 226 186 180 179 218 185 245 201
29 212 237 315 235 232 181 177 189 199 219 220 194
30 214   320 275 226 167 186 154 192 265 197 183
31 282   303   216   177 142   183   178