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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 01563200 Rays Br Juniata R bl Rays Dam nr Huntingdon, PA


Huntingdon County, Pennsylvania
Hydrologic Unit Code 02050303
Latitude  40°25'44", Longitude  77°59'29" NAD27
Drainage area 960  square miles
Gage datum 597.36 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 1972-10-01 -> 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 1,440 1,290 2,030 2,400 1,650 933 524 450 320 586 948 1,300
2 1,650 1,190 1,910 2,550 1,510 846 502 427 267 641 872 1,440
3 1,620 1,330 1,870 2,560 1,380 829 457 417 418 691 790 1,560
4 1,560 1,490 1,900 2,530 1,550 1,120 531 466 530 742 802 1,430
5 1,390 1,530 1,930 2,810 2,020 1,150 537 388 546 696 759 1,220
6 1,360 1,620 2,080 2,990 2,130 1,110 524 370 674 628 749 1,210
7 1,280 1,610 2,390 2,910 1,880 939 559 362 813 547 809 1,140
8 1,230 1,530 2,300 2,690 1,760 903 564 347 783 465 820 1,180
9 1,260 1,360 2,340 2,520 1,820 830 561 406 712 452 959 1,130
10 1,270 1,130 2,380 2,410 1,850 774 455 414 681 527 1,220 1,210
11 1,230 1,120 2,380 2,230 1,910 728 395 365 826 601 1,140 1,330
12 1,230 1,220 2,480 2,160 2,050 765 381 359 980 690 1,130 1,370
13 1,300 1,350 2,560 2,270 2,080 834 503 367 989 651 1,150 1,360
14 1,240 1,420 2,500 2,320 1,850 823 519 390 840 565 993 1,290
15 1,200 1,270 2,460 2,180 1,610 724 465 352 761 439 942 1,230
16 1,220 1,480 2,610 2,120 1,600 658 459 310 684 414 969 1,260
17 1,190 1,730 2,650 2,160 1,760 690 537 286 679 399 1,040 1,270
18 1,220 1,650 2,530 2,110 1,870 651 459 347 550 426 1,110 1,160
19 1,230 1,850 2,320 1,980 1,960 673 459 338 471 499 1,040 1,150
20 1,120 2,010 2,230 1,990 1,860 694 606 297 630 641 1,060 1,150
21 1,250 2,100 2,390 1,950 1,720 838 708 294 657 763 954 1,170
22 1,440 2,070 2,720 1,810 1,500 1,140 497 317 664 785 859 1,320
23 1,410 1,980 2,850 1,710 1,320 1,080 445 351 723 750 983 1,350
24 1,470 1,980 2,680 1,700 1,490 851 442 376 798 793 1,000 1,340
25 1,620 2,090 2,520 1,670 1,360 704 425 328 778 751 975 1,460
26 1,770 2,120 2,460 1,640 1,230 566 427 284 783 690 943 1,530
27 1,670 1,960 2,430 1,850 1,180 678 412 266 624 679 1,090 1,430
28 1,550 1,900 2,360 1,800 1,260 923 378 263 883 722 1,200 1,360
29 1,500 1,970 2,380 1,620 1,250 765 383 272 842 799 1,260 1,320
30 1,410   2,480 1,650 1,330 616 385 305 631 918 1,280 1,250
31 1,330   2,330   1,170   406 300   906   1,230