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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 01520000 Cowanesque River near Lawrenceville, PA


Tioga County, Pennsylvania
Hydrologic Unit Code 02050104
Latitude  41°59'48", Longitude  77°08'25" NAD27
Drainage area 298  square miles
Gage datum 983.6 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 1978-10-01 -> 2025-09-30)

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
1 418 265 453 858 485 243 175 140 65 131 297 435
2 407 287 480 860 470 201 145 122 140 145 275 499
3 361 298 478 792 394 215 123 88 144 174 261 429
4 407 267 523 896 351 215 91 89 110 139 186 393
5 413 291 606 973 327 259 122 81 73 133 161 336
6 353 330 612 934 327 316 141 62 67 178 173 281
7 304 336 611 924 350 351 115 58 69 158 164 264
8 269 362 657 947 305 273 101 95 63 123 159 244
9 241 320 623 892 347 240 98 117 87 90 170 241
10 410 320 513 868 401 202 77 215 175 76 260 301
11 401 307 560 775 458 137 64 151 254 90 294 376
12 409 366 680 751 523 169 87 103 229 135 316 361
13 554 308 681 689 562 180 106 147 167 144 293 349
14 457 278 760 630 480 333 101 176 101 157 262 334
15 411 234 810 610 422 364 81 161 92 160 249 355
16 369 349 769 626 458 245 70 114 79 112 253 329
17 295 372 760 701 423 271 73 81 105 100 267 314
18 296 443 776 640 361 188 173 141 117 111 241 369
19 299 491 734 570 411 166 104 187 191 154 232 338
20 341 453 690 554 404 227 89 244 235 224 269 283
21 386 534 633 561 438 286 131 265 222 283 250 333
22 388 531 696 547 368 204 243 233 283 258 210 337
23 402 491 735 476 285 183 148 159 312 184 233 420
24 406 538 719 465 282 204 218 98 204 182 211 517
25 549 555 672 501 243 205 167 59 141 246 217 448
26 552 432 729 480 237 225 115 60 138 250 301 465
27 440 425 762 483 210 231 169 53 126 288 430 427
28 306 436 772 416 240 186 120 90 209 330 441 415
29 258 517 714 483 267 159 97 145 182 318 424 401
30 255   709 512 233 238 74 87 142 323 393 433
31 253   751   206   131 81   326   450