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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 water year of record in, ft3/s   (Calculation Period 1977-10-01 -> 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
1 208 238 229 302 277 228 178 219 148 210 167 204
2 210 223 267 317 245 233 167 214 143 187 161 196
3 209 236 247 306 237 218 174 188 139 172 171 198
4 190 255 245 286 243 231 172 195 142 153 154 191
5 185 258 277 290 258 225 169 176 145 156 156 237
6 182 259 255 278 316 219 172 182 263 158 163 210
7 187 251 236 263 267 214 229 177 265 156 156 199
8 210 222 237 255 255 203 223 174 305 187 182 197
9 212 210 252 259 248 202 176 166 220 159 168 211
10 205 208 286 268 241 205 163 163 192 186 174 200
11 223 217 310 253 252 202 162 163 187 204 170 234
12 232 267 273 249 260 204 171 165 176 187 167 222
13 213 237 269 257 257 219 187 194 174 170 171 233
14 222 232 293 248 249 209 176 166 153 170 164 237
15 217 225 278 290 245 199 171 165 152 171 157 212
16 219 225 267 319 276 179 163 166 167 162 212 231
17 210 215 254 296 271 187 165 163 160 160 186 225
18 249 216 247 260 253 188 167 154 187 168 167 207
19 277 207 248 246 266 202 163 152 158 187 164 193
20 284 219 250 256 252 202 165 150 157 176 173 191
21 301 241 297 245 242 196 163 141 156 185 166 220
22 234 269 321 257 236 183 167 150 186 157 165 210
23 223 301 281 262 236 178 186 136 193 164 209 216
24 330 299 304 249 260 188 246 136 161 171 183 216
25 298 333 276 238 242 180 247 134 168 159 195 227
26 302 318 270 236 247 186 224 138 165 145 189 230
27 246 240 275 259 233 186 185 142 184 166 187 216
28 251 229 280 249 228 188 179 178 215 190 254 221
29 219 237 320 237 233 183 176 188 196 222 228 210
30 221   325 276 229 169 186 152 189 266 205 195
31 286   308   219   178 140   186   190