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USGS Daily Statistics for Pennsylvania

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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 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
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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 1956-10-01 -> 2019-09-30)

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
1 609 388 669 832 615 386 349 173 151 426 229 571
2 604 549 789 1,130 374 433 223 284 202 219 271 524
3 570 826 572 916 421 341 170 183 226 230 460 508
4 552 671 617 803 483 385 206 290 180 185 254 478
5 497 569 794 971 438 329 175 222 145 196 249 633
6 423 498 802 744 528 321 224 206 270 202 242 499
7 467 489 874 656 502 329 382 178 383 141 262 565
8 577 576 727 573 446 278 167 154 255 337 426 592
9 585 400 831 600 462 219 147 158 231 310 390 647
10 430 449 754 789 442 260 137 168 174 291 342 501
11 414 517 803 539 466 252 137 187 159 234 298 701
12 536 521 759 496 507 311 199 185 435 224 399 754
13 434 765 814 640 467 440 310 392 392 179 420 685
14 510 609 986 534 510 314 428 236 323 173 411 764
15 470 608 813 750 343 227 289 188 392 214 338 535
16 441 583 673 1,100 523 280 210 163 444 203 354 603
17 349 518 740 722 494 324 180 202 306 215 475 753
18 434 527 685 470 371 201 163 171 457 220 337 548
19 662 602 686 393 411 239 157 140 258 556 324 442
20 706 571 857 510 348 277 145 122 301 359 460 409
21 573 608 985 447 303 351 210 133 191 307 367 917
22 493 584 1,190 435 298 436 219 317 312 216 343 538
23 460 656 922 451 331 315 250 196 301 236 592 499
24 793 963 793 428 475 257 256 145 337 254 322 559
25 915 1,100 744 507 372 307 209 129 251 255 486 661
26 897 815 652 487 355 241 185 122 217 232 565 593
27 707 622 791 561 438 252 267 119 427 380 529 533
28 614 700 692 555 337 392 420 626 417 474 736 474
29 503 513 726 503 512 276 281 183 467 398 586 544
30 452   724 594 557 223 226 152 231 377 558 421
31 495   800   419   190 156   261   411