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USGS Daily Statistics for Pennsylvania

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[!] ICE EFFECTS ON STREAMFLOW -- During cold weather, stage and discharge values may be affected by ice at some streamgages. Streamgages experiencing ice conditions will have the discharge record temporarily disabled to prevent the display of erroneous discharge values. Display of discharge record will resume when it is determined that ice conditions are no longer present. Adjustment of data affected by ice can only be done after detailed analysis.


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 01556000 Frankstown Br Juniata River at Williamsburg, PA


Blair County, Pennsylvania
Hydrologic Unit Code 02050302
Latitude  40°27'47", Longitude  78°12'00" NAD27
Drainage area 291  square miles
Gage datum 831.78 feet above NGVD29
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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 1916-10-01 -> 2020-09-30)

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
1 450 381 741 932 567 354 227 161 118 180 199 428
2 499 413 731 939 525 373 224 148 122 181 221 422
3 453 464 694 885 562 357 223 200 126 209 236 361
4 435 450 794 898 535 374 228 189 120 167 229 367
5 463 443 978 973 587 390 237 164 130 153 251 361
6 461 430 994 881 544 369 212 161 175 151 216 373
7 438 467 911 827 560 350 213 194 244 142 222 397
8 433 454 826 763 580 305 196 207 171 140 350 397
9 422 409 793 784 617 305 189 158 280 178 307 376
10 408 437 798 789 576 279 187 160 327 189 264 369
11 394 444 887 687 580 263 191 155 220 163 222 423
12 386 479 955 706 709 331 182 159 163 148 227 406
13 388 516 945 762 646 347 213 167 169 143 300 418
14 362 603 974 758 590 337 191 155 150 144 252 431
15 378 614 994 790 544 292 186 141 138 167 244 399
16 374 565 887 831 546 297 196 138 137 200 271 400
17 380 549 933 864 532 280 190 139 182 184 324 370
18 392 504 1,020 678 582 261 187 148 364 196 277 384
19 475 519 886 628 555 308 181 132 233 222 308 375
20 484 597 890 664 510 294 240 134 170 228 340 368
21 433 627 905 668 537 375 181 170 147 211 292 390
22 505 656 937 691 524 383 178 162 143 204 309 412
23 463 674 867 627 511 444 205 138 142 249 309 406
24 470 700 964 586 465 332 164 147 137 230 270 437
25 523 781 911 578 450 276 168 139 176 207 316 433
26 474 827 821 693 446 248 164 129 200 229 338 405
27 479 703 828 695 398 281 156 138 168 201 344 393
28 448 721 824 684 414 292 171 119 225 231 494 399
29 414 642 910 621 469 285 165 126 228 229 443 395
30 436   924 580 412 231 158 122 207 266 395 472
31 441   994   389   158 134   211   445