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USGS Surface-Water 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 -> 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
1 934 862 1,100 1,440 1,070 724 683 377 463 677 824 1,150
2 1,010 1,030 1,250 1,450 890 755 596 451 693 551 708 1,220
3 950 1,010 1,200 1,500 931 693 508 407 602 526 724 1,070
4 899 1,050 1,120 1,480 908 735 473 500 355 510 590 1,010
5 863 1,060 1,540 1,400 904 790 615 534 430 444 554 1,050
6 836 897 1,570 1,300 1,040 854 586 464 548 428 596 1,040
7 779 864 1,340 1,290 989 798 593 576 853 374 575 977
8 911 824 1,190 1,160 869 670 622 509 2,000 441 566 920
9 1,040 719 1,160 1,120 921 620 504 466 1,800 599 679 820
10 906 664 1,260 1,230 818 576 415 466 669 733 633 875
11 804 750 1,480 1,250 854 774 403 439 446 662 648 1,020
12 832 846 1,500 1,190 897 778 410 644 377 610 657 1,180
13 810 795 1,330 1,270 875 770 573 749 479 464 777 1,170
14 855 741 1,450 1,250 927 738 575 764 478 479 678 1,280
15 825 850 1,560 1,350 987 584 608 480 333 523 677 1,130
16 799 887 1,330 1,750 1,090 561 524 409 345 478 728 1,030
17 759 940 1,160 1,780 1,250 572 527 359 445 486 928 1,110
18 749 914 1,180 1,320 991 625 519 367 769 531 765 1,070
19 818 896 1,170 1,080 1,030 604 425 416 942 743 673 939
20 1,150 937 1,220 1,050 1,160 683 372 351 504 802 705 850
21 1,210 997 1,430 975 926 828 358 457 360 822 786 1,030
22 888 1,020 1,880 1,000 790 717 388 541 419 675 731 1,020
23 851 1,050 1,680 941 799 642 665 437 526 578 944 929
24 1,160 1,380 1,550 897 801 618 1,040 376 527 617 837 1,080
25 1,610 1,650 1,390 950 764 586 1,030 313 398 581 874 1,470
26 1,340 1,500 1,310 921 731 771 890 288 452 571 790 1,280
27 1,520 1,170 1,520 954 722 762 622 262 450 582 868 1,030
28 1,300 1,090 1,580 919 647 1,030 453 404 638 806 1,020 961
29 995 1,200 1,620 904 807 1,150 413 435 656 887 1,330 939
30 939   1,420 869 935 674 419 330 547 844 1,050 876
31 935   1,370   771   374 316   802   829