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USGS Daily Statistics for Pennsylvania

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[!] Over the next year, the USGS Pennsylvania Water Science Center will be updating the geodetic vertical elevation (gage datum) for many locations. Click HERE for additional information including a current list of streamgages with upcoming datum changes. This update in gage datum does not affect the location of the streamgage, nor the observed local gage height or discharge recorded at the streamgage.


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 01552000 Loyalsock Creek at Loyalsockville, PA


Lycoming County, Pennsylvania
Hydrologic Unit Code 02050206
Latitude  41°19'30", Longitude  76°54'46" NAD27
Drainage area 435  square miles
Gage datum 585.61 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 1925-10-01 -> 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
1 801 705 991 2,030 1,230 696 438 358 347 485 692 1,110
2 909 756 1,040 1,930 1,030 669 396 308 292 426 738 1,070
3 794 874 1,020 1,990 1,080 619 379 434 262 441 768 875
4 773 772 1,090 2,090 1,090 583 358 385 328 374 621 1,020
5 792 684 1,500 2,150 975 541 347 315 278 414 609 920
6 806 621 1,480 2,080 947 699 330 275 302 499 622 1,010
7 843 672 1,180 1,890 1,100 547 300 275 546 418 622 980
8 809 670 1,220 1,710 970 482 297 295 709 397 662 1,010
9 978 583 1,350 1,570 938 429 308 336 279 482 822 881
10 880 570 1,340 1,560 919 444 314 317 317 412 731 919
11 764 733 1,490 1,530 973 427 280 286 318 327 694 1,140
12 700 694 1,410 1,460 1,010 398 303 264 283 399 799 981
13 818 655 1,270 1,390 1,000 424 299 366 314 456 912 1,080
14 804 791 1,330 1,420 1,050 418 304 455 267 498 801 1,090
15 753 908 1,630 1,420 1,020 450 275 362 254 486 741 900
16 758 816 1,470 1,500 985 421 307 299 305 449 903 821
17 659 798 1,550 1,670 975 399 305 296 374 494 1,010 864
18 695 911 1,550 1,360 880 430 296 555 608 482 898 945
19 878 806 1,310 1,210 884 460 244 389 381 629 853 863
20 797 886 1,350 1,270 895 402 249 306 331 680 930 815
21 806 944 1,440 1,300 924 456 271 248 282 820 874 1,140
22 871 997 1,670 1,260 873 805 294 247 278 582 861 920
23 836 998 1,500 1,190 936 843 341 239 389 631 855 890
24 1,020 1,030 1,470 1,180 833 455 496 521 375 684 740 1,040
25 1,250 1,080 1,490 1,190 842 390 493 283 399 601 803 1,130
26 1,070 1,080 1,530 1,120 832 353 348 239 360 605 1,210 867
27 1,090 1,020 1,690 1,130 850 384 333 219 429 646 1,040 871
28 930 1,040 1,590 1,140 1,030 502 389 309 461 675 1,130 766
29 788 945 1,620 1,020 860 418 331 500 478 648 1,110 770
30 714   1,740 1,060 774 461 292 331 431 782 1,050 1,020
31 790   1,870   702   317 321   688   915