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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 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 water year of record in, ft3/s   (Calculation Period 1918-10-01 -> 2021-09-30)

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
1 684 595 905 1,040 769 562 400 281 318 463 498 786
2 752 645 923 1,100 648 565 377 311 276 344 470 801
3 712 701 879 1,120 668 532 390 285 286 375 544 700
4 700 701 922 1,050 702 499 321 375 237 314 439 725
5 651 651 1,170 1,050 725 492 350 302 232 275 423 852
6 694 575 1,190 1,110 699 575 341 265 301 297 403 860
7 657 711 1,110 1,100 668 498 330 276 421 258 413 841
8 676 716 1,010 923 628 464 401 259 742 267 438 778
9 720 577 993 937 664 402 329 257 414 324 572 734
10 670 548 972 919 655 386 339 254 264 374 468 690
11 607 641 1,140 862 651 440 297 270 247 298 418 776
12 574 709 1,230 861 754 444 295 341 223 277 429 804
13 554 682 1,130 885 716 473 308 437 295 260 553 799
14 574 753 1,100 881 665 447 328 405 268 281 459 858
15 603 762 1,160 950 676 372 319 261 265 305 471 745
16 576 712 1,020 1,070 718 356 317 230 232 285 530 703
17 559 707 1,010 1,140 786 334 344 302 258 317 647 731
18 542 677 1,000 886 652 405 311 286 376 323 551 684
19 607 725 976 768 700 427 318 335 420 431 518 604
20 774 741 1,050 771 732 451 313 215 320 449 548 587
21 771 775 1,100 723 676 494 308 245 245 411 562 794
22 765 807 1,290 718 737 741 321 276 262 335 584 728
23 663 856 1,170 700 732 777 481 263 266 405 635 639
24 814 1,010 1,130 664 615 463 538 395 244 424 520 683
25 989 1,080 1,070 712 605 380 476 309 283 403 608 792
26 906 1,110 1,020 680 670 496 369 238 392 422 642 727
27 879 956 1,090 689 599 470 304 194 435 438 579 688
28 785 962 1,100 755 560 656 251 241 439 485 718 642
29 651 727 1,060 717 669 569 277 224 353 489 832 649
30 630   944 685 648 460 305 183 416 466 734 715
31 656   999   611   244 232   438   691