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USGS Surface-Water 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 -> 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
1 909 765 1,200 1,090 713 538 476 203 204 259 389 672
2 937 638 1,280 1,130 709 523 484 194 240 270 392 655
3 943 686 1,380 1,160 721 510 489 207 218 275 388 634
4 975 841 1,260 1,160 642 478 435 231 220 276 398 654
5 1,070 904 1,130 1,220 606 466 367 250 215 288 395 666
6 1,080 896 1,080 1,260 615 421 331 255 212 297 415 666
7 1,000 887 1,160 1,250 615 382 313 243 190 313 430 634
8 922 908 1,310 1,260 675 405 306 238 158 281 416 627
9 806 883 1,280 1,200 757 414 294 251 177 259 372 694
10 691 809 1,290 1,160 786 430 317 267 202 251 351 749
11 643 723 1,320 1,150 784 415 350 281 241 256 383 767
12 632 711 1,250 1,100 809 375 381 287 284 264 413 763
13 593 786 1,240 1,020 858 402 373 296 288 236 413 788
14 629 825 1,210 941 881 449 338 300 266 212 418 807
15 642 794 1,250 870 858 460 320 300 258 238 399 800
16 653 825 1,350 895 837 451 319 325 243 260 384 774
17 690 1,020 1,340 1,000 816 447 341 313 202 280 408 758
18 644 1,090 1,200 1,050 820 464 350 275 204 309 456 724
19 594 1,030 1,130 1,010 848 492 324 252 200 301 508 701
20 602 987 1,160 895 813 507 292 225 186 289 538 704
21 669 954 1,190 764 782 509 314 180 182 272 560 691
22 728 989 1,160 685 734 509 338 175 169 262 574 675
23 734 1,010 1,160 671 666 501 360 186 168 270 560 740
24 757 1,080 1,150 696 600 484 385 194 173 277 509 804
25 794 1,150 1,130 739 594 465 318 176 173 274 519 812
26 817 1,100 1,150 756 628 423 273 176 185 293 564 802
27 808 1,080 1,130 749 683 388 256 174 200 323 576 791
28 877 1,180 1,100 745 658 442 232 159 213 334 589 824
29 961 946 1,080 741 597 463 228 149 219 348 607 846
30 985   1,070 741 556 479 221 133 242 373 646 856
31 916   1,100   552   218 156   384   884