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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
1 208 237 228 302 277 228 178 219 148 210 201 202
2 209 222 265 317 245 233 167 214 143 187 169 196
3 208 235 245 306 237 218 174 188 139 172 174 198
4 190 253 244 286 243 231 172 195 142 153 155 190
5 185 256 274 290 258 225 169 176 145 156 156 235
6 182 259 253 278 316 219 172 182 263 158 163 208
7 186 254 236 263 267 214 229 177 265 156 155 197
8 209 225 236 255 255 203 223 174 305 187 181 195
9 210 212 250 259 248 202 176 166 220 159 167 209
10 204 209 283 268 241 205 163 163 192 186 173 201
11 222 219 306 253 252 202 162 163 187 204 169 234
12 232 267 271 249 260 204 171 165 176 187 166 222
13 213 239 267 257 257 219 187 194 174 170 170 232
14 221 233 291 248 249 209 176 166 153 170 163 236
15 216 225 276 290 245 199 171 165 152 171 156 213
16 218 225 265 319 276 179 163 166 167 162 209 230
17 209 215 252 296 271 187 165 163 160 159 184 230
18 247 216 245 260 253 188 167 154 187 166 165 211
19 275 207 247 246 266 202 163 152 158 185 163 195
20 281 218 250 256 252 202 165 150 157 174 171 191
21 297 240 295 245 242 196 163 141 156 183 165 219
22 231 267 318 257 236 183 167 150 186 155 164 209
23 221 298 279 262 236 178 186 136 193 163 206 215
24 326 296 301 249 260 188 246 136 161 169 184 215
25 305 329 274 238 242 180 247 134 168 157 195 225
26 306 315 268 236 247 186 224 138 165 144 188 228
27 248 240 273 259 233 186 185 142 184 170 186 215
28 252 229 280 249 228 188 179 178 215 191 251 219
29 219 234 320 237 233 183 176 188 196 221 226 209
30 220   323 276 229 169 186 152 189 263 202 196
31 284   308   219   178 140   190   191