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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 03079000 Casselman River at Markleton, PA


Somerset County, Pennsylvania
Hydrologic Unit Code 05020006
Latitude  39°51'35.7", Longitude  79°13'43.8" NAD83
Drainage area 382  square miles
Gage datum 1,654.8 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 1920-10-01 -> 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 1,070 774 1,360 1,390 882 555 375 237 235 223 315 713
2 1,070 864 1,240 1,530 790 550 299 244 210 240 344 664
3 1,030 944 1,260 1,460 857 552 287 282 180 286 359 629
4 970 941 1,540 1,400 887 631 361 243 182 231 377 658
5 975 915 1,820 1,440 902 646 317 205 189 220 492 641
6 883 883 1,730 1,330 937 511 309 291 211 206 392 641
7 868 942 1,460 1,320 1,050 495 297 288 347 188 373 761
8 851 909 1,330 1,190 1,050 519 291 212 195 180 438 784
9 781 873 1,280 1,260 1,100 496 302 231 367 240 406 797
10 845 983 1,270 1,320 1,020 452 331 210 331 228 391 792
11 855 1,030 1,420 1,130 948 486 332 174 195 215 375 801
12 913 957 1,480 1,150 1,060 444 285 200 172 200 449 820
13 824 981 1,680 1,260 990 465 310 236 182 181 462 840
14 713 1,010 1,720 1,150 901 500 327 200 214 172 400 877
15 746 1,000 1,680 1,160 836 401 303 172 193 388 391 806
16 742 1,080 1,390 1,160 916 371 250 208 170 422 445 819
17 709 991 1,420 1,200 861 360 223 190 237 271 485 808
18 770 1,070 1,380 1,020 916 401 202 233 384 270 452 840
19 1,030 1,200 1,400 934 871 471 275 236 286 313 480 742
20 883 1,090 1,480 986 795 487 234 244 211 333 530 720
21 866 1,090 1,520 883 758 516 211 322 193 318 474 732
22 936 1,090 1,500 881 691 394 213 257 254 252 501 694
23 878 1,260 1,380 851 665 509 240 233 230 269 495 765
24 937 1,280 1,630 855 691 509 239 209 210 276 475 875
25 1,080 1,340 1,480 973 648 377 198 174 223 310 476 893
26 996 1,340 1,290 1,050 630 325 160 184 273 285 535 845
27 912 1,340 1,290 903 597 341 193 202 239 259 610 805
28 872 1,280 1,380 894 667 391 189 203 308 379 791 829
29 865 1,200 1,630 895 671 425 232 203 219 414 754 848
30 885   1,530 921 571 337 216 151 231 393 686 890
31 861   1,460   608   260 153   320   871