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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 01619500 ANTIETAM CREEK NEAR SHARPSBURG, MD


Washington County, Maryland
Hydrologic Unit Code 02070004
Latitude  39°26'59.2", Longitude  77°43'48.7" NAD83
Drainage area 281  square miles
Gage datum 310.40 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 1930-10-01 -> 2025-09-30)

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
1 287 310 405 485 415 328 237 186 171 194 194 238
2 303 313 403 499 397 328 245 185 176 187 201 252
3 296 328 406 499 400 322 238 185 174 182 196 229
4 314 347 414 493 406 324 231 193 173 169 187 247
5 294 343 470 514 402 320 225 184 156 165 191 254
6 292 347 467 492 421 308 223 176 182 170 189 249
7 281 379 459 472 427 297 221 176 202 163 189 253
8 280 343 431 455 425 290 222 176 168 164 210 267
9 296 318 425 456 417 283 229 179 175 199 196 251
10 301 315 429 462 395 278 231 175 181 201 210 257
11 283 317 437 443 389 282 224 183 187 178 198 311
12 281 343 451 433 419 289 214 185 161 171 196 304
13 281 354 458 454 414 291 219 204 164 174 205 286
14 282 369 492 458 397 301 207 196 170 172 196 294
15 287 365 486 460 382 291 208 176 172 183 196 278
16 284 341 450 489 436 270 207 168 177 182 193 282
17 276 335 448 503 433 279 200 169 168 171 192 277
18 275 338 463 450 398 277 227 192 180 179 188 271
19 321 346 459 428 402 311 225 187 193 200 190 263
20 337 354 483 445 387 281 247 178 164 189 200 255
21 309 358 514 441 378 289 213 179 165 183 203 258
22 310 381 546 454 375 337 207 185 173 173 229 262
23 295 381 510 428 368 354 212 173 189 175 220 265
24 332 426 515 414 356 313 211 198 176 175 206 261
25 376 431 490 415 357 271 223 169 213 180 229 274
26 360 440 473 445 354 270 198 164 255 186 228 273
27 338 411 465 483 335 273 192 164 225 180 210 293
28 347 404 486 464 335 315 192 158 218 193 215 274
29 334 410 508 436 343 263 188 154 204 197 235 274
30 323   492 415 331 251 194 149 196 233 232 284
31 326   486   325   186 156   204   275