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USGS Surface-Water 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 01601500 WILLS CREEK NEAR CUMBERLAND, MD


Allegany County, Maryland
Hydrologic Unit Code 02070002
Latitude  39°40'10.6", Longitude  78°47'16.9" NAD83
Drainage area 247  square miles
Gage datum 640.27 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 1904-10-01 -> 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
1 459 347 709 782 481 312 162 85 143 101 137 351
2 507 365 638 835 443 307 132 87 100 94 148 343
3 434 408 610 821 482 322 129 105 73 103 164 309
4 408 428 729 794 513 353 129 95 71 87 182 303
5 400 411 946 824 567 336 121 84 67 82 241 281
6 390 404 895 725 599 277 122 87 133 83 177 266
7 389 437 752 715 640 267 137 84 173 76 180 310
8 383 406 653 657 698 270 143 78 113 83 260 336
9 367 375 665 690 655 236 122 80 223 137 204 325
10 396 395 712 691 618 225 125 76 179 107 181 315
11 386 412 767 638 561 289 117 73 112 101 163 344
12 416 421 773 635 562 271 103 90 85 97 183 324
13 398 478 875 745 560 305 100 136 92 88 181 322
14 345 555 890 673 532 252 104 106 77 112 165 341
15 355 496 870 666 486 197 100 89 73 271 166 343
16 365 493 756 761 544 177 95 77 82 190 184 356
17 346 488 840 761 527 167 97 78 131 137 198 330
18 347 494 773 589 522 178 104 108 212 125 180 326
19 530 562 773 580 506 192 96 97 154 115 219 312
20 397 544 841 658 459 234 117 92 102 124 242 291
21 357 551 877 599 457 290 104 89 88 140 218 316
22 359 569 859 554 416 246 94 90 92 126 230 317
23 384 597 790 501 418 300 102 94 101 168 226 319
24 430 647 886 489 377 234 88 83 91 174 199 337
25 497 705 865 550 351 177 90 76 130 134 188 370
26 494 725 746 685 328 146 78 83 133 127 204 379
27 459 666 714 559 339 169 88 82 116 123 250 377
28 446 682 801 576 384 183 80 76 148 175 355 358
29 395 648 866 597 387 165 101 85 109 199 337 373
30 387   801 542 333 162 87 67 102 203 313 430
31 380   832   365   88 72   152   430