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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.


! Statistics pages will be decommissioned in early 2026. Please find the modernized pages in WDFN that suit you best. Learn more about our modernization plans and timeline.

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 -> 2026-09-30)

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
1 953 784 1,460 1,650 881 672 376 223 282 261 328 619
2 1,000 833 1,360 1,780 838 722 367 212 238 281 335 628
3 989 976 1,310 1,790 893 671 364 202 202 288 343 602
4 970 926 1,510 1,740 976 685 400 207 181 266 324 629
5 963 960 1,870 1,810 965 722 368 195 169 253 346 617
6 854 919 1,950 1,560 1,030 580 349 214 207 256 334 625
7 785 957 1,600 1,580 1,090 525 320 216 333 228 338 677
8 756 951 1,430 1,420 1,130 529 323 216 247 220 448 716
9 716 840 1,430 1,450 1,080 570 299 229 392 290 433 698
10 717 872 1,420 1,480 1,040 508 319 204 440 279 401 725
11 711 935 1,530 1,290 984 454 290 195 271 250 388 792
12 763 907 1,530 1,360 1,090 462 289 198 213 249 423 772
13 804 934 1,730 1,500 1,060 506 270 219 225 216 395 776
14 715 997 1,770 1,380 1,080 563 261 207 243 207 366 745
15 736 997 1,750 1,340 932 504 260 175 228 339 366 714
16 731 1,170 1,540 1,360 990 553 267 175 196 390 416 714
17 710 1,060 1,500 1,380 948 507 256 171 249 256 467 684
18 743 1,060 1,410 1,180 1,040 497 238 188 423 264 424 746
19 892 1,080 1,460 1,080 976 555 247 182 308 278 448 798
20 841 1,090 1,530 1,130 885 596 399 201 240 286 491 749
21 754 1,180 1,540 1,100 811 749 273 216 216 302 470 748
22 674 1,200 1,650 1,040 764 547 246 253 228 267 534 717
23 700 1,350 1,560 985 764 666 266 211 233 254 485 676
24 775 1,360 1,760 976 763 602 236 194 217 268 464 776
25 920 1,490 1,660 1,130 798 471 215 172 235 260 465 848
26 968 1,370 1,470 1,130 788 377 203 161 269 262 523 775
27 976 1,320 1,490 1,020 671 394 216 188 273 261 590 777
28 897 1,380 1,550 1,010 710 473 206 212 346 290 732 765
29 906 1,260 1,630 981 783 382 235 220 298 322 710 845
30 903   1,720 934 688 336 246 174 258 431 652 986
31 852   1,760   750   250 180   360   912