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USGS Daily Statistics for Pennsylvania

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[!] ICE EFFECTS ON STREAMFLOW -- During cold weather, stage and discharge values may be affected by ice at some streamgages. Streamgages experiencing ice conditions will have the discharge record temporarily disabled to prevent the display of erroneous discharge values. Display of discharge record will resume when it is determined that ice conditions are no longer present. Adjustment of data affected by ice can only be done after detailed analysis.



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 -> 2020-09-30)

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
1 609 388 669 832 615 393 347 175 150 421 229 571
2 604 549 789 1,130 374 438 223 283 203 218 271 524
3 570 826 572 916 421 344 171 184 227 228 460 508
4 552 671 617 803 483 385 206 289 180 184 254 478
5 497 569 794 971 438 329 176 222 144 195 249 633
6 423 498 802 744 528 321 227 206 267 200 242 499
7 467 489 874 656 502 329 389 179 379 141 262 565
8 577 576 727 573 446 278 173 156 252 333 426 592
9 585 400 831 600 462 219 152 160 229 307 390 647
10 430 449 754 789 442 261 140 168 173 288 342 501
11 414 517 803 539 466 260 236 186 158 232 298 701
12 536 521 759 496 507 312 309 185 430 222 399 754
13 434 765 814 640 522 439 319 388 390 178 420 685
14 510 609 986 534 543 316 429 235 321 172 411 764
15 470 608 813 750 355 228 290 190 387 212 338 535
16 441 583 673 1,100 527 279 212 164 439 204 354 603
17 349 518 740 722 497 323 182 202 303 230 475 753
18 434 527 685 470 376 204 186 172 452 220 337 548
19 662 602 686 393 414 249 174 143 256 556 324 442
20 706 571 857 510 368 346 150 124 297 359 460 409
21 573 608 985 447 308 383 213 133 189 307 367 917
22 493 584 1,190 435 300 442 226 319 309 216 343 538
23 460 656 922 451 333 317 310 199 298 236 592 499
24 793 963 793 428 474 259 268 147 333 254 322 559
25 915 1,100 744 507 371 310 215 130 248 255 486 661
26 897 815 652 487 355 244 189 122 215 232 565 593
27 707 622 791 561 438 253 269 119 422 380 529 533
28 614 700 692 555 338 390 418 618 412 474 736 474
29 503 513 726 503 542 277 281 182 462 398 586 544
30 452   724 594 603 225 226 151 229 377 558 421
31 495   800   454   191 155   261   411