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USGS Surface-Water 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 -> 2022-09-30)

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
1 450 380 771 931 577 352 226 160 171 180 207 426
2 504 411 743 934 530 371 223 147 195 181 222 420
3 458 462 699 879 564 357 222 198 139 208 236 359
4 442 448 796 891 537 373 226 187 128 166 228 365
5 467 442 972 964 587 388 235 163 135 153 249 359
6 464 429 987 873 545 367 210 159 178 151 215 370
7 439 471 904 819 560 347 212 192 244 143 220 394
8 433 456 819 762 579 303 196 205 172 140 346 393
9 421 411 786 780 617 303 188 156 280 177 304 373
10 407 441 791 784 588 287 186 159 325 188 261 372
11 393 448 880 693 584 277 190 155 220 162 222 424
12 389 480 950 708 708 335 185 158 163 148 231 404
13 389 522 939 764 645 348 212 166 168 143 299 416
14 363 603 965 758 588 338 190 154 150 143 250 433
15 378 612 983 787 542 292 185 140 138 166 243 404
16 374 564 878 827 544 296 194 137 137 199 270 400
17 379 548 922 858 529 279 190 138 181 182 321 373
18 391 503 1,010 691 578 260 187 159 360 194 275 386
19 473 517 894 633 551 308 180 139 230 220 305 375
20 481 592 898 665 505 294 238 134 169 226 336 367
21 430 621 908 666 532 372 179 169 146 208 289 388
22 500 649 935 688 519 380 178 162 144 202 305 410
23 458 667 867 624 507 439 204 138 162 248 307 405
24 465 694 962 584 462 329 164 147 143 228 269 441
25 536 782 909 576 447 274 167 138 179 205 314 466
26 484 824 820 689 442 246 163 129 201 227 335 413
27 482 704 825 698 395 278 155 138 169 205 341 396
28 450 730 834 683 410 289 170 120 225 231 487 400
29 415 635 938 620 469 282 164 129 228 230 438 395
30 435   931 594 410 229 157 125 208 270 393 474
31 439   993   387   157 135   213   446