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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 -> 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
1 208 238 229 302 277 228 176 220 150 213 167 204
2 210 223 267 317 245 233 166 214 144 190 161 196
3 209 236 247 306 237 218 176 189 139 175 171 198
4 190 255 245 286 243 231 172 197 142 155 154 191
5 185 258 277 290 258 225 169 177 144 158 156 237
6 182 259 255 278 316 219 172 184 265 160 163 210
7 187 251 236 263 267 214 232 179 268 157 156 199
8 210 222 237 255 255 203 221 176 309 189 182 197
9 212 210 252 259 248 202 173 167 222 161 168 211
10 205 208 286 268 241 205 160 165 195 189 174 200
11 223 217 310 253 252 200 155 165 190 207 170 234
12 232 267 273 249 260 202 164 167 179 190 167 222
13 213 237 269 257 257 215 184 196 176 172 171 233
14 222 232 293 248 249 206 174 168 155 172 164 237
15 217 225 278 290 245 197 168 167 153 174 157 212
16 219 225 267 319 276 177 160 168 169 162 212 231
17 210 215 254 296 271 185 162 165 163 160 186 225
18 249 216 247 260 253 187 163 156 190 168 167 207
19 277 207 248 246 266 201 161 154 160 187 164 193
20 284 219 250 256 252 203 162 152 159 176 173 191
21 301 241 297 245 242 197 160 142 158 185 166 220
22 234 269 321 257 236 184 162 151 188 157 165 210
23 223 301 281 262 236 179 178 136 196 164 209 216
24 330 299 304 249 260 190 244 134 164 171 183 216
25 298 333 276 238 242 180 248 133 171 159 195 227
26 302 318 270 236 247 184 226 137 168 145 189 230
27 246 240 275 259 233 184 186 141 187 166 187 216
28 251 229 280 249 228 186 180 179 218 190 254 221
29 219 237 320 237 233 181 177 189 199 222 228 210
30 221   325 276 229 167 186 154 192 266 205 195
31 286   308   219   177 142   186   190