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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 94 - 95 years of record in, ft3/s   (Calculation Period 1918-10-01 -> 2013-09-30)

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
1 663 613 879 1,020 680 554 389 270 292 475 407 795
2 747 665 888 1,120 615 559 369 279 273 352 447 808
3 714 715 869 1,140 657 526 390 262 282 384 510 706
4 695 687 924 1,050 698 494 316 318 233 314 432 743
5 646 640 1,200 1,060 716 453 316 246 232 277 413 885
6 690 569 1,240 1,120 677 566 333 240 297 306 369 890
7 657 713 1,150 1,060 656 498 305 257 422 263 389 852
8 688 703 1,040 903 625 466 349 235 775 272 428 798
9 738 571 1,030 944 669 389 311 246 420 325 581 755
10 671 547 981 934 665 378 326 249 225 378 460 704
11 594 635 1,140 873 664 365 289 256 217 252 416 803
12 542 698 1,220 858 765 415 290 262 207 229 428 838
13 507 676 1,130 832 706 457 307 339 290 244 558 834
14 553 763 1,110 847 640 433 291 320 265 276 464 895
15 595 774 1,180 887 676 360 281 227 266 307 482 765
16 567 676 1,030 1,030 710 351 296 208 232 263 541 716
17 555 661 1,030 1,130 771 328 335 293 261 310 667 742
18 543 660 1,020 880 646 406 277 270 382 327 562 697
19 618 721 987 764 678 422 309 302 430 448 524 616
20 782 742 1,080 766 688 391 311 195 325 469 556 601
21 788 780 1,130 709 669 438 310 221 248 429 577 791
22 790 807 1,280 714 743 738 307 232 267 347 605 709
23 629 858 1,190 704 737 791 363 240 273 419 663 625
24 762 1,010 1,150 671 618 434 353 394 250 441 527 645
25 961 1,000 1,100 707 615 368 253 307 284 419 585 679
26 899 1,080 1,040 675 688 495 235 235 396 443 648 674
27 890 945 1,120 687 613 473 247 190 448 445 550 678
28 797 958 1,120 769 573 593 219 242 443 492 723 619
29 660 707 1,060 729 668 538 246 224 355 448 860 616
30 643   935 661 625 455 291 181 414 452 753 687
31 677   976   603   227 204   412   676