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


Page Loading - Please Wait...

Click to hideNews Bulletins

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 01473000 Perkiomen Creek at Graterford, PA


Montgomery County, Pennsylvania
Hydrologic Unit Code 02040203
Latitude  40°13'46", Longitude  75°27'07" NAD27
Drainage area 279  square miles
Gage datum 112.66 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 1956-10-01 -> 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
1 608 379 729 821 697 382 334 175 319 408 310 621
2 657 531 791 1,100 387 429 220 276 503 215 286 533
3 579 802 570 883 420 341 170 181 235 227 451 504
4 568 727 659 775 475 393 206 562 189 197 253 475
5 500 571 786 931 429 338 173 266 148 212 246 647
6 428 492 781 753 516 319 220 209 275 203 239 505
7 464 498 847 695 574 321 373 181 369 142 257 610
8 563 571 707 651 482 273 169 176 247 325 411 584
9 568 396 805 607 473 225 182 162 233 299 376 635
10 422 442 742 771 437 258 201 170 177 280 330 517
11 405 525 788 530 456 263 258 189 174 226 290 692
12 525 516 744 495 492 320 308 186 418 218 412 732
13 428 753 793 713 504 431 318 383 379 189 420 662
14 497 598 951 548 524 309 415 231 312 205 403 754
15 457 589 787 731 349 225 283 188 372 214 332 541
16 434 583 651 1,060 510 274 214 163 421 202 376 632
17 381 528 714 698 482 315 186 198 292 227 467 770
18 434 536 669 461 365 201 186 169 432 219 332 553
19 646 593 700 464 421 243 173 176 248 531 317 438
20 717 557 834 506 393 335 150 126 286 346 443 402
21 565 590 947 440 327 370 209 133 184 297 355 878
22 482 567 1,130 428 302 424 222 315 296 211 332 528
23 473 638 888 444 335 310 301 245 306 238 568 541
24 772 927 817 432 460 255 260 160 346 249 342 572
25 963 1,080 779 500 361 300 237 133 265 249 481 812
26 970 810 651 488 345 237 195 124 217 239 549 595
27 701 644 771 559 426 250 261 120 408 398 513 523
28 602 735 698 541 335 376 402 596 397 470 707 465
29 493 508 748 500 551 269 276 186 447 394 563 528
30 443   712 599 588 218 221 151 232 414 626 426
31 481   778   447   192 154   303   422