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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 03032500 Redbank Creek at St. Charles, PA


Armstrong County, Pennsylvania
Hydrologic Unit Code 05010006
Latitude  40°59'40", Longitude  79°23'40" NAD27
Drainage area 528  square miles
Gage datum 972.5 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 1918-10-01 -> 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 1,300 967 1,590 1,820 1,080 660 571 353 271 410 585 1,170
2 1,370 972 1,590 1,820 1,080 611 636 321 309 372 602 1,050
3 1,400 1,050 1,520 1,920 1,060 617 546 333 327 382 604 977
4 1,430 1,030 1,660 1,950 1,020 606 450 304 318 362 644 985
5 1,350 1,090 1,900 2,030 969 680 449 326 342 350 649 958
6 1,360 980 2,010 1,810 932 741 406 286 350 362 638 925
7 1,220 1,040 1,760 1,630 1,040 731 402 330 317 334 563 1,000
8 1,150 1,040 1,720 1,550 1,080 736 443 365 265 306 618 1,040
9 1,060 948 1,670 1,580 1,130 718 418 348 351 298 574 1,010
10 1,060 1,110 1,770 1,560 1,240 660 362 326 428 315 582 1,060
11 982 1,110 1,740 1,470 1,170 575 354 305 357 302 612 1,130
12 1,080 1,070 1,920 1,650 1,250 632 399 333 276 338 616 1,180
13 1,100 1,050 1,920 1,580 1,400 628 410 332 303 317 593 1,220
14 1,090 1,170 2,010 1,500 1,270 731 441 295 323 316 594 1,290
15 1,100 1,220 2,150 1,590 1,110 785 442 320 284 406 606 1,210
16 1,000 1,300 1,970 1,560 1,100 679 404 321 250 439 745 1,210
17 934 1,260 2,050 1,510 1,120 713 398 296 304 415 928 1,170
18 1,060 1,250 1,960 1,370 1,120 778 324 306 576 428 916 1,350
19 1,240 1,250 1,740 1,260 1,110 783 591 293 414 427 939 1,190
20 1,270 1,210 1,810 1,270 1,060 685 597 261 324 483 907 1,050
21 1,280 1,220 1,800 1,220 1,110 717 439 350 288 468 834 1,110
22 1,320 1,300 1,900 1,210 1,100 705 421 409 342 428 785 1,120
23 1,230 1,440 1,730 1,170 1,040 857 448 327 316 397 773 1,040
24 1,270 1,500 1,710 1,140 977 709 429 266 302 380 787 1,140
25 1,450 1,640 1,650 1,180 931 616 405 283 279 423 774 1,210
26 1,290 1,720 1,580 1,350 951 599 327 268 295 425 882 1,080
27 1,280 1,690 1,630 1,290 862 611 357 238 321 429 1,090 1,020
28 1,120 1,630 1,630 1,220 790 717 455 243 348 514 1,220 1,130
29 1,050 1,320 1,730 1,200 869 760 362 277 405 545 1,140 1,180
30 1,060   1,770 1,140 751 623 333 264 476 591 1,070 1,270
31 1,090   1,840   734   358 262   508   1,330