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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 01481500 BRANDYWINE CREEK AT WILMINGTON, DE


New Castle County, Delaware
Hydrologic Unit Code 02040205
Latitude  39°46'10.2", Longitude  75°34'36.1" NAD83
Drainage area 314  square miles
Gage datum 67.17 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 1973-10-01 -> 2022-09-30)

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
1 576 546 655 835 873 495 391 349 303 481 351 586
2 565 598 732 865 603 513 404 288 604 328 307 566
3 564 695 654 844 600 512 382 271 296 313 399 505
4 573 687 627 744 609 530 385 375 269 279 313 459
5 518 665 751 779 594 490 417 404 248 290 361 539
6 489 619 657 698 643 504 375 268 386 291 351 571
7 487 637 650 655 594 502 399 280 413 246 337 499
8 564 546 654 629 574 477 382 312 363 322 372 567
9 554 489 756 664 586 509 326 286 358 432 391 559
10 480 490 784 763 565 498 338 359 294 375 359 541
11 520 536 876 693 587 520 384 305 267 387 363 605
12 609 628 662 642 590 460 417 302 249 349 411 637
13 519 663 734 703 619 531 524 556 249 288 435 640
14 576 558 865 675 599 485 498 414 246 280 357 733
15 531 608 795 718 530 428 442 284 425 310 347 593
16 503 645 681 987 623 396 369 246 462 302 401 659
17 466 597 640 836 658 448 340 252 578 316 434 693
18 566 561 649 655 544 474 345 282 377 300 367 626
19 663 576 700 602 604 500 315 330 373 492 339 548
20 865 596 791 646 547 550 325 290 324 428 391 469
21 692 604 878 598 506 654 426 276 287 380 394 710
22 558 675 1,190 622 505 450 368 335 446 326 349 571
23 498 720 813 619 528 406 439 271 388 288 469 556
24 637 834 821 596 585 400 405 237 455 327 389 584
25 988 1,030 750 634 480 409 334 224 341 337 458 716
26 933 845 657 641 526 397 304 217 367 312 497 626
27 722 615 758 677 498 448 348 248 424 403 531 616
28 731 589 784 609 441 629 423 564 503 502 576 535
29 641 603 877 602 528 467 302 333 611 463 542 532
30 558   786 614 600 371 299 294 414 513 588 490
31 563   841   456   295 242   361   476