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USGS Surface-Water 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 03040000 Stonycreek River at Ferndale, PA


Cambria County, Pennsylvania
Hydrologic Unit Code 05010007
Latitude  40°17'08", Longitude  78°55'15" NAD27
Drainage area 451  square miles
Gage datum 1,184.06 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 1938-10-01 -> 2024-09-30)

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
1 957 750 1,450 1,670 887 645 376 223 269 259 330 616
2 1,010 814 1,350 1,740 839 709 368 213 235 280 338 627
3 994 969 1,310 1,660 896 664 366 203 202 289 347 602
4 975 915 1,520 1,660 969 683 403 208 181 267 328 630
5 969 954 1,890 1,770 957 722 371 196 170 255 351 619
6 859 903 1,960 1,510 1,010 568 352 216 208 258 338 628
7 790 931 1,610 1,540 1,080 516 323 218 337 229 343 681
8 760 941 1,430 1,390 1,130 520 325 218 250 220 455 720
9 720 810 1,420 1,440 1,080 529 301 203 398 293 439 696
10 721 858 1,380 1,480 1,020 491 323 198 447 282 407 714
11 715 932 1,520 1,290 975 445 293 193 274 252 393 771
12 768 908 1,530 1,320 1,080 457 290 198 215 252 429 753
13 809 928 1,740 1,460 1,030 503 271 220 228 218 400 769
14 720 994 1,780 1,360 969 562 263 207 246 209 371 742
15 741 999 1,760 1,330 895 502 262 176 231 344 372 713
16 736 1,150 1,550 1,360 974 555 264 176 198 396 422 712
17 714 1,040 1,510 1,380 940 502 244 171 252 259 475 676
18 748 1,060 1,420 1,180 1,030 481 236 189 431 267 427 739
19 899 1,090 1,480 1,080 976 547 246 183 313 281 451 792
20 847 1,100 1,550 1,130 888 593 403 202 244 288 495 745
21 759 1,190 1,560 1,110 812 753 275 218 218 304 472 746
22 678 1,210 1,680 1,050 743 548 247 256 230 269 538 717
23 704 1,340 1,580 993 725 671 268 213 235 255 485 677
24 781 1,370 1,790 984 737 605 237 196 219 270 459 778
25 928 1,500 1,690 1,140 787 473 216 174 236 262 462 851
26 904 1,380 1,500 1,130 782 377 202 162 272 264 514 777
27 932 1,320 1,520 1,020 667 396 213 190 277 263 584 780
28 848 1,360 1,580 1,010 693 476 202 215 351 293 725 768
29 869 1,190 1,660 988 765 381 235 221 301 326 703 848
30 886   1,750 941 674 335 245 170 260 435 646 990
31 841   1,790   714   248 169   362   916