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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 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 water year of record in, ft3/s   (Calculation Period 1977-10-01 -> 2023-09-30)

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
1 206 231 237 295 285 222 176 212 157 201 197 201
2 219 217 266 307 247 227 165 207 154 181 166 192
3 211 230 244 295 238 215 171 182 142 167 170 193
4 192 252 247 276 246 230 169 197 140 151 152 186
5 185 252 272 279 258 223 166 173 143 155 152 230
6 182 253 250 272 313 216 169 178 258 153 158 204
7 186 248 233 259 279 209 225 173 255 151 151 193
8 205 221 232 254 263 199 217 170 292 179 175 191
9 207 207 245 256 254 198 172 161 214 153 161 203
10 200 205 276 262 242 200 159 158 187 178 167 195
11 216 214 298 248 251 201 159 158 184 195 166 225
12 225 259 265 244 257 204 166 159 173 181 173 214
13 208 233 261 264 253 216 182 186 170 165 171 223
14 216 228 283 250 245 208 171 160 151 165 162 230
15 211 220 269 285 242 197 166 160 147 165 155 212
16 213 223 257 309 271 178 159 160 161 156 209 237
17 211 216 245 287 265 185 161 158 155 154 182 231
18 242 216 240 253 247 185 163 150 182 160 163 209
19 267 206 243 243 259 198 159 149 154 177 160 193
20 276 215 244 250 245 198 161 146 153 167 167 188
21 289 234 285 240 236 193 159 136 152 176 160 213
22 226 259 307 251 231 183 167 146 180 150 160 205
23 218 289 270 255 231 180 182 134 199 157 199 224
24 315 288 298 244 251 188 235 133 159 164 178 220
25 295 320 273 234 235 179 236 131 164 152 189 255
26 297 307 265 232 239 185 217 134 162 143 182 234
27 242 238 267 253 228 184 180 139 179 165 181 215
28 246 234 274 244 224 186 175 173 207 184 241 217
29 215 234 310 235 232 180 173 181 190 216 217 206
30 215   312 281 225 167 182 147 182 265 201 194
31 274   297   215   173 137   189   188