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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 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 -> 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
1 465 384 773 924 580 348 226 159 171 179 210 422
2 521 413 743 926 533 367 227 147 194 183 223 415
3 485 462 701 871 565 353 222 197 138 208 235 357
4 473 483 804 882 547 369 226 186 128 166 227 363
5 480 454 972 954 592 383 235 163 141 154 247 356
6 470 433 983 872 567 363 210 160 188 152 214 367
7 443 472 901 823 629 343 212 191 249 143 219 390
8 435 457 816 767 621 301 196 204 178 140 341 389
9 425 411 782 781 629 304 188 156 281 176 299 368
10 439 442 788 782 594 285 187 159 324 187 258 368
11 407 448 875 690 586 275 189 154 222 162 223 424
12 399 481 942 705 706 331 184 157 166 147 263 402
13 415 521 931 759 642 346 211 167 177 143 304 412
14 376 600 956 752 586 336 189 154 153 143 253 427
15 385 608 974 780 540 290 185 145 140 166 244 399
16 378 560 870 819 541 294 195 138 139 198 270 397
17 382 546 913 849 525 278 190 139 181 181 320 371
18 393 524 997 685 573 259 189 159 356 192 275 388
19 477 524 885 630 546 304 180 139 229 217 303 375
20 487 593 889 661 502 291 236 134 169 223 332 365
21 432 620 898 662 528 368 186 169 146 206 288 385
22 498 648 924 683 514 378 179 175 144 200 319 407
23 459 670 857 621 502 449 204 141 162 244 309 413
24 464 693 958 581 457 329 164 148 144 225 269 441
25 537 785 907 572 443 273 167 139 178 203 312 464
26 502 825 817 683 438 245 163 130 200 224 333 413
27 502 704 820 692 392 279 155 138 169 203 338 397
28 476 739 828 676 407 288 170 121 223 228 482 411
29 434 635 929 616 464 281 164 129 226 234 433 421
30 444   921 593 406 228 157 127 207 276 389 487
31 444   983   383   156 135   218   457