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USGS Daily Statistics for Pennsylvania

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 01573000 Swatara Creek at Harper Tavern, PA


Lebanon County, Pennsylvania
Hydrologic Unit Code 02050305
Latitude  40°24'09", Longitude  76°34'39" NAD27
Drainage area 337  square miles
Gage datum 356.68 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 95 - 96 years of record in, ft3/s   (Calculation Period 1918-10-01 -> 2014-09-30)

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
1 665 609 874 1,030 736 552 388 270 292 471 405 791
2 747 661 883 1,120 643 556 369 279 273 349 445 804
3 713 711 864 1,150 672 523 390 262 282 381 507 703
4 693 683 916 1,060 707 491 316 318 233 312 429 738
5 644 638 1,190 1,070 722 454 316 246 232 275 411 878
6 698 569 1,230 1,120 681 566 333 240 297 303 367 885
7 665 710 1,140 1,060 659 496 305 257 422 262 386 861
8 692 699 1,030 910 626 464 349 235 775 272 425 801
9 739 568 1,020 947 669 388 311 246 420 323 577 756
10 672 543 983 935 665 380 326 249 225 376 457 705
11 605 631 1,150 874 665 368 289 256 217 300 413 802
12 571 693 1,240 860 763 419 290 262 207 265 425 835
13 519 672 1,150 832 704 464 307 339 290 257 554 830
14 564 758 1,110 846 638 442 291 320 265 283 461 890
15 604 769 1,180 894 674 365 281 227 266 310 478 762
16 573 671 1,030 1,050 723 354 296 208 232 266 537 712
17 560 656 1,030 1,140 790 331 335 293 261 311 661 737
18 547 655 1,020 887 653 407 277 270 382 328 558 693
19 619 716 983 770 682 422 309 302 430 447 520 613
20 781 736 1,070 769 689 392 311 195 325 467 552 598
21 785 776 1,120 711 671 437 310 221 248 427 572 786
22 786 807 1,270 715 743 734 307 232 267 346 600 710
23 626 860 1,180 705 737 786 363 240 273 417 657 634
24 758 1,010 1,150 670 618 432 353 394 250 439 523 653
25 955 999 1,090 705 614 367 253 307 284 417 580 682
26 893 1,070 1,040 674 686 498 235 235 396 440 642 675
27 885 940 1,120 685 612 473 247 190 448 442 562 677
28 792 952 1,110 766 573 591 219 242 443 489 730 618
29 656 707 1,050 727 666 535 246 224 355 445 859 619
30 639   949 681 623 453 291 181 414 449 750 699
31 672   1,000   601   227 204   409   681