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USGS Surface-Water Daily Statistics for Maryland

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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 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 -> 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
1 571 539 644 823 905 487 387 345 296 473 350 574
2 577 588 716 853 604 504 400 287 584 339 307 554
3 561 684 641 826 595 504 380 269 289 330 395 497
4 568 707 629 729 603 520 382 368 264 287 312 454
5 513 670 739 762 588 481 411 397 244 303 358 529
6 485 613 645 702 635 493 370 267 402 295 349 560
7 483 628 638 668 620 491 404 280 413 249 335 504
8 556 540 641 676 595 468 390 316 359 317 369 560
9 546 485 738 670 586 505 337 284 352 420 394 550
10 477 485 768 758 562 489 371 356 293 370 356 530
11 515 530 856 686 582 509 385 307 270 381 359 592
12 598 618 651 636 584 465 414 301 253 345 413 623
13 512 651 722 694 611 533 515 547 251 286 435 625
14 567 550 846 666 593 479 489 406 246 288 354 714
15 523 597 779 708 527 422 434 281 416 309 344 585
16 494 633 668 965 614 395 371 245 450 300 411 688
17 495 594 629 819 648 448 339 249 561 315 434 690
18 569 559 637 647 536 466 343 277 372 301 365 616
19 653 570 685 651 598 489 316 324 366 482 338 540
20 863 587 774 648 542 536 326 285 317 420 387 463
21 688 595 856 595 500 636 424 271 282 374 390 694
22 552 661 1,150 617 498 441 364 330 434 321 346 563
23 502 704 792 618 524 413 431 268 382 286 462 581
24 633 813 807 592 575 404 397 234 452 324 385 586
25 967 1,010 745 626 474 406 335 221 356 334 450 702
26 945 831 651 631 517 408 333 214 363 330 488 616
27 716 605 742 670 491 508 345 244 416 403 522 606
28 719 581 766 603 442 631 416 547 491 493 567 528
29 632 603 855 614 521 464 308 326 594 457 532 525
30 552   767 620 588 369 299 288 405 534 576 485
31 556   819   450   293 239   364   472