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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 -> 2021-09-30)

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
1 208 237 228 300 288 227 178 217 146 207 199 205
2 209 222 265 314 251 233 167 212 142 184 167 197
3 208 235 245 303 242 217 174 187 139 170 172 197
4 190 253 244 283 246 230 172 203 141 151 154 190
5 185 256 274 287 260 229 169 177 144 155 155 236
6 182 259 253 275 316 221 172 183 258 156 161 208
7 186 254 236 261 269 215 228 178 260 154 154 196
8 209 225 236 254 256 203 222 174 300 184 179 195
9 210 212 250 258 252 202 174 166 218 157 165 208
10 204 209 283 266 243 205 161 162 191 183 171 199
11 222 219 306 251 254 205 161 162 187 200 169 231
12 232 267 271 247 261 205 169 163 176 186 171 219
13 213 239 267 270 257 219 185 191 173 169 171 229
14 221 233 291 255 249 209 174 165 153 168 163 236
15 216 225 276 293 245 199 169 164 150 169 156 213
16 218 225 265 319 276 180 161 164 165 160 208 230
17 209 215 252 296 270 187 163 162 158 157 183 231
18 247 216 245 260 252 188 165 152 185 164 164 210
19 275 207 247 246 265 202 161 151 155 182 161 195
20 281 218 250 256 251 202 163 149 155 171 170 191
21 297 240 295 245 241 196 161 139 154 181 163 218
22 231 267 318 256 236 185 169 148 183 154 162 208
23 221 298 279 261 236 180 186 135 190 161 204 215
24 326 296 301 250 259 189 242 135 159 167 182 215
25 305 329 274 239 241 181 243 133 166 155 193 225
26 306 315 268 238 246 186 221 137 163 142 186 228
27 248 240 273 261 232 186 184 140 182 168 184 215
28 252 229 280 250 228 188 179 176 211 189 248 219
29 219 234 320 237 233 183 176 186 193 220 222 209
30 220   323 285 229 169 186 151 187 260 206 196
31 284   306   219   177 139   188   191