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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 01573560 Swatara Creek near Hershey, PA


Dauphin County, Pennsylvania
Hydrologic Unit Code 02050305
Latitude  40°17'54", Longitude  76°40'05" NAD27
Drainage area 483  square miles
Gage datum 325.94 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 1975-10-01 -> 2025-09-30)

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
1 922 862 1,090 1,420 1,090 700 662 370 441 650 798 1,100
2 997 1,010 1,240 1,450 895 731 581 436 645 532 685 1,160
3 948 1,000 1,200 1,580 921 674 505 397 560 508 695 1,020
4 910 1,160 1,160 1,590 894 711 467 485 334 493 568 973
5 860 1,110 1,530 1,440 888 760 596 514 406 465 533 1,010
6 831 908 1,550 1,310 1,020 830 568 448 528 430 570 994
7 782 866 1,320 1,310 1,060 773 574 570 822 372 550 936
8 905 822 1,170 1,230 965 650 599 500 1,900 441 541 881
9 1,040 719 1,160 1,160 949 606 489 465 1,700 582 644 785
10 1,060 664 1,320 1,240 843 564 433 498 638 705 601 850
11 908 743 1,480 1,240 873 746 400 439 436 637 617 1,020
12 861 832 1,480 1,200 901 751 402 624 372 586 656 1,170
13 880 787 1,320 1,270 873 793 553 726 465 449 781 1,140
14 899 739 1,420 1,240 917 729 554 737 462 467 667 1,240
15 845 834 1,520 1,340 999 575 584 469 323 521 659 1,100
16 809 866 1,300 1,700 1,080 550 506 407 333 473 709 1,050
17 766 918 1,140 1,720 1,230 559 512 355 426 475 892 1,110
18 758 917 1,150 1,290 973 607 509 362 736 516 737 1,190
19 818 892 1,140 1,100 1,020 585 417 411 899 713 648 1,090
20 1,140 921 1,180 1,050 1,130 657 363 345 485 768 675 885
21 1,180 974 1,380 968 911 793 353 442 348 786 751 1,030
22 875 995 1,800 989 779 688 380 520 405 640 743 1,010
23 843 1,040 1,630 928 786 624 639 422 497 550 921 993
24 1,140 1,350 1,530 883 788 602 988 364 505 591 806 1,120
25 1,560 1,600 1,360 929 748 569 987 305 418 560 835 1,450
26 1,330 1,460 1,270 899 718 741 857 283 453 549 755 1,250
27 1,510 1,140 1,470 929 707 752 600 256 444 560 829 1,020
28 1,320 1,070 1,520 894 637 1,010 439 388 616 764 979 964
29 1,030 1,290 1,560 884 784 1,110 402 416 631 839 1,260 932
30 953   1,370 876 901 656 406 319 527 843 1,000 867
31 938   1,320   746   364 308   794   820