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USGS Daily Statistics for Oregon

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 14209000 OAK GROVE FORK ABOVE POWERPLANT INTAKE, OR.


Clackamas County, Oregon
Hydrologic Unit Code 17090011
Latitude  45°04'17", Longitude 121°56'22" NAD27
Drainage area 124  square miles
Gage datum 2,100 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 1909-10-01 -> 2020-09-30)

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
1 542 570 539 590 650 621 413 334 323 367 407 547
2 554 559 546 582 658 610 412 332 325 367 424 550
3 557 556 543 578 667 604 405 334 326 369 430 530
4 551 552 537 576 676 601 397 332 327 365 421 536
5 554 550 534 585 680 598 390 330 329 361 418 527
6 573 575 539 591 677 591 387 330 329 361 418 531
7 600 592 538 597 679 586 383 330 333 362 433 520
8 583 579 536 607 681 586 379 333 337 361 435 502
9 555 572 545 608 680 574 378 334 341 361 430 506
10 546 575 549 606 683 561 376 334 343 361 429 508
11 542 564 550 607 689 548 372 331 345 362 434 519
12 538 557 556 605 689 539 366 328 347 362 439 537
13 541 556 560 619 687 536 364 328 347 362 439 550
14 546 549 554 632 686 532 363 328 349 366 434 552
15 562 545 553 633 688 525 360 326 351 370 451 544
16 585 553 552 632 687 508 356 324 355 375 452 529
17 585 553 555 637 690 499 355 325 357 374 450 512
18 588 557 562 638 686 489 352 324 358 374 456 508
19 580 560 563 636 682 477 349 322 360 377 468 514
20 567 561 569 646 678 469 348 322 360 377 494 532
21 565 558 569 645 673 465 348 321 360 379 493 551
22 566 561 568 637 665 457 347 322 359 387 504 571
23 581 556 570 639 655 455 345 322 360 388 506 563
24 578 555 567 647 648 449 343 322 360 390 533 555
25 572 550 565 647 650 442 343 321 359 384 533 550
26 560 548 567 646 650 436 340 321 361 383 535 533
27 550 545 567 654 643 430 339 319 363 384 532 535
28 550 543 565 659 637 426 337 317 365 391 534 558
29 557 580 566 656 631 421 337 318 365 390 533 569
30 565   574 651 628 415 337 321 366 393 536 576
31 570   587   620   336 323   400   558