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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 01578475 Octoraro Creek near Richardsmere, MD


Cecil County, Maryland
Hydrologic Unit Code 02050306
Latitude  39°42'24", Longitude  76°06'56" NAD27
Drainage area 177  square miles
Contributing drainage area 177  square miles
Gage datum 120 feet above NGVD29
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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 2005-10-01 -> 2024-09-30)

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
1 285 235 349 319 717 156 225 155 317 488 266 263
2 308 303 506 287 277 215 291 263 546 193 160 237
3 265 330 304 262 250 287 203 156 140 202 291 261
4 245 411 300 255 249 224 176 347 131 177 147 194
5 234 366 416 238 258 211 159 177 126 172 144 200
6 243 324 278 234 241 203 159 129 210 136 153 181
7 247 278 319 255 293 195 192 128 297 126 155 198
8 248 294 274 264 271 213 171 206 496 122 159 296
9 277 261 308 251 233 193 171 135 274 124 161 299
10 485 234 451 232 218 220 180 135 206 124 159 221
11 252 268 646 235 213 255 176 142 315 298 147 217
12 281 278 363 246 220 250 221 159 199 171 149 309
13 290 342 401 314 259 311 248 497 161 137 187 224
14 253 284 492 257 269 220 206 220 143 157 164 222
15 235 259 314 337 245 184 205 164 156 169 149 218
16 233 306 311 391 304 168 159 121 153 177 205 268
17 252 324 288 363 352 170 143 116 131 143 266 266
18 271 296 265 254 233 154 144 141 212 158 177 436
19 265 262 270 280 242 186 139 165 125 132 144 189
20 305 237 295 247 224 176 132 167 131 140 155 189
21 241 251 327 243 193 206 124 165 124 131 148 294
22 207 288 385 241 199 162 132 359 119 127 155 220
23 222 295 293 270 210 173 361 168 286 129 314 302
24 319 314 292 234 177 184 208 175 408 124 183 279
25 348 524 306 227 172 199 204 129 172 141 300 381
26 333 319 270 238 174 296 225 113 183 119 162 364
27 249 295 270 275 168 299 161 107 195 222 214 300
28 249 332 263 237 173 444 144 408 282 236 188 413
29 234 281 269 232 180 222 160 137 159 354 164 251
30 210   273 448 188 165 150 131 377 524 226 268
31 301   323   163   147 141   208   244