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USGS Daily Statistics for the Nation

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 01481000 Brandywine Creek at Chadds Ford, PA


Delaware County, Pennsylvania
Hydrologic Unit Code 02040205
Latitude  39°52'11", Longitude  75°35'37" NAD27
Drainage area 287  square miles
Gage datum 150.45 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 1973-10-01 -> 2021-09-30)

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
1 519 490 530 724 751 438 361 310 243 424 322 522
2 479 519 661 746 540 455 349 262 220 288 283 468
3 506 618 563 751 546 432 337 248 239 285 372 455
4 508 602 547 662 542 458 336 374 226 248 285 411
5 452 575 659 698 521 433 359 315 202 267 330 496
6 434 542 580 614 563 446 333 239 353 261 329 486
7 433 547 580 568 530 455 336 241 362 220 297 453
8 487 464 585 549 514 405 338 271 337 300 349 510
9 493 431 684 588 526 376 286 262 323 395 357 520
10 417 437 706 687 512 433 307 337 250 335 324 475
11 455 485 757 600 530 449 347 266 235 365 330 596
12 525 548 585 564 529 384 339 276 218 315 372 606
13 448 580 667 642 550 455 466 549 221 256 391 582
14 516 492 794 591 541 428 477 346 220 253 318 650
15 462 558 717 654 470 374 401 259 408 293 307 521
16 448 571 598 900 565 344 338 228 405 277 356 595
17 404 522 571 741 577 396 318 244 481 285 399 642
18 495 503 576 587 487 434 310 258 360 272 328 556
19 582 509 618 536 547 445 285 270 353 434 306 496
20 712 526 717 577 482 494 291 259 296 361 365 428
21 617 542 784 527 452 583 386 253 263 344 355 683
22 473 604 1,020 553 447 395 320 315 400 297 340 494
23 446 654 725 557 472 361 394 226 341 264 439 495
24 606 747 721 536 514 365 359 212 405 301 339 513
25 841 877 625 561 425 361 288 204 311 314 406 547
26 829 694 581 565 472 368 272 197 334 276 430 556
27 655 518 697 612 440 419 316 225 387 393 449 548
28 632 504 689 548 398 591 391 539 463 463 538 476
29 556 559 740 530 447 407 263 285 509 429 477 460
30 500   687 545 512 330 269 257 369 476 531 423
31 510   746   395   252 227   325   423