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USGS 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 03042500 Two Lick Creek at Graceton, PA


Indiana County, Pennsylvania
Hydrologic Unit Code 05010007
Latitude  40°31'02", Longitude  79°10'19" NAD27
Drainage area 171  square miles
Gage datum 980.8 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 1968-10-01 -> 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
1 400 379 486 494 305 283 194 180 171 133 193 370
2 442 432 513 474 314 242 179 147 158 150 184 326
3 400 423 520 475 298 206 162 144 138 150 168 332
4 442 452 563 529 322 203 149 125 125 147 148 320
5 501 487 638 613 320 208 152 125 106 157 150 333
6 523 450 558 521 383 209 165 118 112 137 177 341
7 430 379 500 465 398 208 166 134 132 138 176 335
8 434 392 507 430 346 186 211 137 134 132 277 328
9 412 357 501 460 347 207 187 129 203 144 280 345
10 375 369 533 477 397 197 180 152 328 156 240 378
11 407 360 540 448 337 168 166 135 205 162 225 389
12 384 384 548 421 360 183 163 150 146 145 243 388
13 383 394 568 444 371 186 180 163 163 124 202 368
14 358 347 600 422 360 219 212 122 191 130 202 397
15 347 379 571 428 317 239 188 117 148 129 214 392
16 357 484 504 457 360 214 159 110 123 112 258 385
17 328 440 479 441 335 206 148 107 167 118 279 385
18 350 460 457 380 363 231 154 121 326 144 263 470
19 457 458 464 357 323 289 157 110 168 150 306 455
20 424 482 571 362 287 230 547 116 146 170 307 424
21 362 556 579 334 268 272 219 162 135 179 262 398
22 317 595 611 337 264 274 190 140 140 154 248 413
23 332 531 572 319 266 482 161 120 143 139 255 383
24 423 570 575 314 281 350 134 122 146 134 235 402
25 432 648 506 295 371 265 148 112 145 134 247 446
26 436 558 487 327 328 220 149 106 147 129 302 401
27 425 440 491 369 259 211 196 105 153 146 337 378
28 405 455 467 320 258 248 173 102 152 175 399 396
29 433 420 539 306 402 218 175 109 156 210 380 409
30 395   555 308 313 173 174 131 147 232 345 360
31 410   536   269   200 144   195   386