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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 03028500 Clarion River at Johnsonburg, PA


Elk County, Pennsylvania
Hydrologic Unit Code 05010005
Latitude  41°29'10", Longitude  78°40'43" NAD27
Drainage area 204  square miles
Gage datum 1,423.03 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 1951-10-01 -> 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
1 522 316 406 733 462 373 390 255 253 276 329 412
2 525 340 423 765 445 349 382 258 243 271 313 400
3 480 349 401 756 413 336 358 273 277 267 309 416
4 469 346 468 773 404 325 333 254 267 260 306 424
5 428 332 554 791 393 338 327 254 252 254 309 432
6 392 302 500 726 397 347 316 285 257 249 329 463
7 362 301 493 706 413 315 302 312 240 250 320 487
8 338 341 541 660 413 311 303 336 239 251 302 496
9 344 310 504 644 425 302 291 328 240 268 291 485
10 322 333 542 653 460 275 281 337 255 254 330 480
11 313 333 555 620 498 254 274 289 241 275 349 476
12 384 329 556 595 596 273 279 303 249 285 358 464
13 385 339 554 554 620 278 274 312 273 311 341 456
14 354 378 526 536 602 313 259 357 259 300 350 450
15 359 354 541 561 577 361 326 303 251 290 349 475
16 346 366 506 578 589 358 290 277 242 289 362 419
17 337 378 520 612 573 337 288 267 245 261 384 399
18 403 408 500 557 504 352 285 300 260 272 373 409
19 356 407 479 507 478 379 273 270 259 270 362 399
20 371 415 501 479 458 428 281 250 265 257 353 405
21 371 391 538 489 517 565 302 284 243 275 347 444
22 401 381 564 468 458 474 270 269 313 269 349 469
23 370 416 552 439 472 479 277 252 285 265 368 450
24 355 443 562 438 392 421 270 235 259 280 387 443
25 379 496 571 433 392 443 259 231 275 291 364 484
26 415 446 569 440 417 441 245 227 285 273 393 454
27 464 411 560 428 365 388 261 243 279 291 421 453
28 393 382 553 441 370 376 241 244 319 312 476 468
29 367 339 620 520 374 374 254 265 313 328 451 469
30 335   663 469 357 369 250 254 267 315 440 503
31 330   750   380   266 245   307   525