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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 03036000 Mahoning Creek at Mahoning Creek Dam, PA


Armstrong County, Pennsylvania
Hydrologic Unit Code 05010006
Latitude  40°55'39", Longitude  79°17'29" NAD27
Drainage area 344  square miles
Gage datum 1,002.2 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 1940-10-01 -> 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
1 908 819 1,200 1,080 709 533 471 201 203 256 395 665
2 933 687 1,280 1,120 704 517 478 192 238 267 400 648
3 933 720 1,380 1,150 714 505 483 205 217 273 391 627
4 958 866 1,270 1,180 637 474 429 229 219 274 398 646
5 1,050 926 1,130 1,300 601 462 363 250 213 286 395 664
6 1,060 911 1,090 1,340 612 418 327 256 210 294 412 669
7 995 890 1,160 1,320 613 380 309 248 187 310 423 632
8 913 900 1,310 1,300 672 402 302 245 157 278 408 622
9 799 873 1,280 1,230 753 411 291 261 176 256 366 687
10 686 801 1,290 1,180 781 426 313 286 201 248 345 743
11 652 716 1,320 1,150 779 410 346 304 240 253 376 768
12 663 705 1,270 1,100 809 371 376 311 282 261 406 768
13 628 780 1,260 1,020 860 398 369 320 284 234 406 791
14 664 820 1,220 955 878 444 334 315 263 210 410 804
15 670 788 1,260 910 853 454 316 310 254 235 392 792
16 672 818 1,350 940 830 446 315 329 240 258 377 764
17 702 1,010 1,340 1,050 809 442 336 313 200 278 401 748
18 650 1,070 1,190 1,090 813 459 345 275 202 306 446 716
19 595 1,010 1,130 1,050 840 486 320 252 198 299 496 696
20 601 975 1,150 940 805 501 289 226 184 287 528 701
21 667 943 1,180 809 776 502 310 182 180 269 552 684
22 722 977 1,150 715 727 502 333 177 167 260 575 667
23 726 1,000 1,150 686 660 494 355 188 166 268 568 727
24 749 1,070 1,140 708 593 478 380 196 172 277 515 788
25 787 1,140 1,120 744 587 459 314 179 172 272 523 796
26 813 1,090 1,140 754 621 419 269 176 184 289 565 787
27 818 1,080 1,120 745 675 385 254 173 199 319 575 777
28 899 1,170 1,090 741 651 437 229 159 211 329 588 808
29 969 927 1,070 737 592 458 226 148 217 343 605 838
30 996   1,060 736 552 473 218 132 239 367 642 857
31 956   1,090   547   216 156   382   884