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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 -> 2021-09-30)

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
1 292 313 412 490 418 331 241 188 167 195 196 243
2 307 316 409 501 400 331 248 187 165 187 204 257
3 301 332 408 495 404 325 240 188 173 183 199 233
4 320 349 413 486 410 328 235 196 173 169 190 252
5 299 344 472 513 406 323 228 186 157 165 193 260
6 297 350 469 492 424 312 226 178 183 171 192 254
7 286 384 461 472 417 302 223 177 202 163 192 258
8 285 347 433 454 416 295 224 175 168 164 214 273
9 300 322 426 456 414 287 231 176 175 201 199 257
10 295 319 423 463 394 282 233 173 182 204 214 262
11 282 321 435 445 389 285 227 184 188 179 200 318
12 283 349 452 434 420 292 217 187 161 172 196 309
13 282 358 460 456 415 295 221 207 165 176 206 292
14 284 372 495 461 399 305 209 199 171 174 198 301
15 290 370 490 464 383 294 211 178 174 184 198 283
16 288 345 453 494 440 274 211 170 173 184 194 285
17 280 338 451 508 437 284 203 171 168 173 193 280
18 278 341 468 455 401 281 230 195 181 181 190 272
19 327 350 464 431 404 318 229 189 195 203 193 264
20 343 360 489 448 390 286 251 180 165 192 203 258
21 315 364 522 445 381 295 216 181 166 185 206 262
22 316 388 554 459 378 344 210 187 175 175 231 265
23 300 387 516 432 372 360 214 175 178 177 222 259
24 339 433 520 418 360 319 214 201 168 177 208 260
25 384 439 495 420 361 275 227 171 212 182 233 277
26 368 448 478 451 356 275 201 166 257 188 232 276
27 344 419 471 490 336 278 195 166 227 182 213 298
28 351 411 492 471 337 321 195 159 220 195 218 278
29 334 411 515 441 345 268 190 155 205 200 240 278
30 326   499 419 334 254 196 151 197 235 236 288
31 330   493   327   189 158   206   280