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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 01574000 West Conewago Creek near Manchester, PA


York County, Pennsylvania
Hydrologic Unit Code 02050306
Latitude  40°04'50.9", Longitude  76°43'06.21" NAD27
Drainage area 510  square miles
Gage datum 262.89 feet above NAVD88
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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 1928-10-01 -> 2025-09-30)

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
1 715 614 1,170 1,210 859 508 225 243 332 355 475 653
2 877 699 1,070 1,400 644 637 245 243 397 354 437 730
3 827 908 937 1,310 773 531 261 222 189 379 462 593
4 901 992 1,090 1,220 837 460 241 294 189 250 359 643
5 702 856 1,510 1,220 751 521 290 251 198 240 341 739
6 803 717 1,510 1,130 931 526 260 189 261 210 368 726
7 671 911 1,470 1,060 1,060 443 293 209 470 178 359 686
8 726 989 1,220 938 768 441 309 197 465 195 382 654
9 828 699 1,150 1,010 706 324 258 273 448 321 622 599
10 869 708 1,130 1,060 660 322 291 260 358 386 443 644
11 674 730 1,280 863 622 352 237 241 317 410 386 864
12 642 689 1,280 785 750 383 184 232 246 428 368 903
13 654 799 1,270 945 753 483 251 389 187 241 585 751
14 654 952 1,340 1,010 635 471 241 400 190 300 438 907
15 708 938 1,470 1,040 593 421 211 219 350 301 455 715
16 686 893 1,160 1,200 725 324 241 172 292 247 424 779
17 586 885 1,040 1,390 773 346 224 217 433 272 521 870
18 583 900 1,030 864 681 354 255 247 415 333 460 838
19 664 887 995 703 712 452 281 250 387 454 452 643
20 916 1,020 1,210 973 619 385 214 185 250 378 476 589
21 808 1,020 1,350 883 625 424 199 218 183 328 449 841
22 770 1,070 1,670 780 749 1,060 294 219 267 254 592 686
23 723 1,060 1,440 724 584 716 400 282 354 350 674 689
24 1,050 1,360 1,430 645 570 430 372 566 393 366 445 669
25 1,080 1,360 1,200 703 486 373 310 254 395 255 561 782
26 1,100 1,280 1,070 783 537 376 260 189 911 328 502 691
27 1,050 1,240 1,190 895 473 320 232 150 389 364 474 845
28 1,040 1,250 1,170 812 512 504 307 174 420 419 622 707
29 804 1,110 1,240 754 724 347 284 157 455 450 836 689
30 722   1,100 745 634 263 245 122 473 655 833 833
31 774   1,220   489   229 151   455   718