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USGS Daily Statistics for Pennsylvania

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[!] Over the next year, the USGS Pennsylvania Water Science Center will be updating the geodetic vertical elevation (gage datum) for many locations. Click HERE for additional information including a current list of streamgages with upcoming datum changes. This update in gage datum does not affect the location of the streamgage, nor the observed local gage height or discharge recorded at the streamgage.


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 01568000 Sherman Creek at Shermans Dale, PA


Perry County, Pennsylvania
Hydrologic Unit Code 02050305
Latitude  40°19'24", Longitude  77°10'09" NAD27
Drainage area 207  square miles
Gage datum 421.91 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 1929-10-01 -> 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
1 303 296 499 642 434 301 156 96 129 148 173 439
2 345 302 497 675 367 296 134 106 127 126 267 360
3 324 379 453 703 393 251 146 92 79 125 220 285
4 318 397 494 663 435 246 123 136 100 118 205 338
5 310 342 628 632 424 236 137 113 77 123 207 307
6 304 299 625 606 447 225 122 84 123 107 175 290
7 305 336 556 565 520 220 123 91 256 85 168 336
8 346 327 518 524 447 202 133 89 120 89 272 326
9 361 272 529 558 442 193 143 116 112 170 250 295
10 373 269 570 534 422 177 154 102 166 125 240 293
11 308 315 692 492 408 182 111 105 143 140 208 408
12 287 288 626 497 458 177 96 125 97 126 245 369
13 312 325 569 552 465 229 152 152 148 144 322 372
14 284 461 614 527 456 200 115 121 109 162 216 366
15 304 426 626 568 433 174 98 96 93 167 224 319
16 297 370 573 617 509 156 133 75 107 169 218 329
17 273 352 560 658 432 155 158 80 132 144 266 314
18 277 350 564 485 431 157 113 121 313 212 219 317
19 312 343 553 454 420 174 92 109 147 196 222 287
20 355 394 579 533 392 172 106 111 102 176 266 283
21 308 434 671 476 355 281 124 96 91 166 247 353
22 301 456 728 464 386 351 123 103 91 154 331 306
23 280 484 611 427 402 354 130 114 156 191 293 301
24 389 524 684 402 336 214 149 211 104 177 220 339
25 473 604 640 410 306 158 137 83 135 153 289 393
26 404 520 562 434 355 144 112 84 176 185 278 345
27 425 477 579 525 327 175 105 88 140 181 246 331
28 389 517 583 490 331 232 106 72 176 201 339 322
29 329 456 637 431 437 149 96 66 137 187 367 313
30 322   592 467 310 144 86 62 150 283 354 384
31 337   606   305   91 75   178   318