Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins
  • Due to a lapse in government funding, the majority of USGS websites will not be updated except to provide important public safety information. Websites displaying real-time water data will be updated with limited support. For more information please see www.doi.gov/shutdown.
  • Explore the NEW USGS National Water Dashboard interactive map to access real-time water data from over 13,500 stations nationwide.

USGS Daily Statistics for Pennsylvania

Click to hide state-specific text

[!] 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 01576500 Conestoga River at Lancaster, PA


Lancaster County, Pennsylvania
Hydrologic Unit Code 02050306
Latitude  40°03'00", Longitude  76°16'39" NAD27
Drainage area 324  square miles
Gage datum 245.63 feet above NGVD29
Output formats
HTML table of all data
Tab-separated data
Reselect output format

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 1928-10-01 -> 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
1 450 454 654 703 592 406 298 276 274 313 274 394
2 530 480 661 743 495 468 274 278 352 272 246 394
3 501 571 618 756 504 415 305 271 274 295 307 356
4 512 596 656 715 520 391 293 398 235 225 261 377
5 466 519 728 712 487 372 267 301 203 218 243 428
6 482 479 704 710 556 379 292 237 248 211 248 436
7 465 601 710 705 519 366 337 259 276 197 250 455
8 455 544 623 667 487 362 360 240 456 233 263 414
9 495 454 636 661 494 328 293 250 397 324 346 394
10 519 454 646 679 472 327 322 254 235 259 261 403
11 441 483 714 625 458 358 312 263 263 268 261 485
12 439 507 728 621 460 387 311 224 269 256 282 491
13 434 502 703 652 486 411 359 344 248 213 302 507
14 442 582 715 616 499 370 342 284 207 194 282 519
15 463 537 763 627 434 316 384 218 232 217 290 448
16 422 544 655 767 468 322 306 198 262 226 288 455
17 384 546 628 710 509 369 284 242 318 237 350 490
18 423 539 639 583 437 320 308 277 259 246 316 517
19 463 537 629 555 493 378 286 316 283 300 279 428
20 538 544 671 569 464 339 263 229 210 288 306 395
21 507 537 695 521 438 368 352 224 192 256 305 493
22 481 554 857 535 415 620 321 364 220 220 333 442
23 435 578 777 517 503 823 331 293 259 248 355 418
24 511 646 751 501 441 349 398 376 253 242 292 421
25 631 728 687 543 390 300 259 230 280 218 389 482
26 686 747 660 530 422 331 276 219 264 236 366 426
27 634 698 730 562 388 387 354 197 270 261 345 447
28 583 672 722 549 387 429 394 270 284 289 386 435
29 491 587 726 534 421 392 340 231 251 285 430 418
30 472   652 516 429 328 306 197 337 366 412 456
31 517   672   407   253 189   281   430