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USGS Daily Statistics for Pennsylvania

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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 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 -> 2015-09-30)

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 1,030 736 552 388 268 290 467 402 786
2 747 661 883 1,120 643 556 367 277 271 346 442 799
3 713 711 864 1,150 672 523 388 260 280 378 503 700
4 693 683 916 1,060 707 491 317 316 231 313 425 736
5 644 638 1,190 1,070 722 454 316 245 231 276 408 874
6 698 569 1,230 1,120 681 566 332 239 294 302 364 884
7 665 710 1,140 1,060 659 496 304 255 419 261 384 863
8 692 699 1,030 910 626 464 347 234 768 271 422 800
9 739 568 1,020 947 669 388 310 244 416 321 573 756
10 672 543 983 935 665 380 325 247 224 373 453 706
11 605 631 1,150 874 665 368 287 254 215 298 410 800
12 571 693 1,240 860 763 419 289 261 205 263 422 832
13 519 672 1,150 832 704 464 307 342 288 255 549 827
14 564 758 1,110 846 638 442 293 320 263 281 457 886
15 604 769 1,180 894 674 365 286 226 264 308 474 759
16 573 671 1,030 1,050 723 354 297 207 231 288 532 710
17 560 656 1,030 1,140 790 331 334 291 259 318 656 737
18 547 655 1,020 887 653 407 276 269 379 330 554 693
19 619 716 983 770 682 422 308 300 426 447 516 613
20 781 736 1,070 769 689 392 310 194 323 465 547 598
21 785 776 1,120 711 671 437 309 220 246 425 568 786
22 786 807 1,270 715 743 734 305 231 265 344 595 710
23 626 860 1,180 705 737 786 361 239 271 414 652 634
24 758 1,010 1,150 670 618 432 351 391 249 436 520 653
25 955 999 1,090 705 614 367 253 305 281 414 578 682
26 893 1,070 1,040 674 686 498 234 233 393 437 638 675
27 885 940 1,120 685 612 473 246 189 444 439 561 677
28 792 952 1,110 766 573 591 218 240 439 485 726 618
29 656 707 1,050 727 666 535 245 222 352 442 853 619
30 639   949 681 623 453 289 180 410 445 745 699
31 672   1,000   601   226 203   406   681