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USGS 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 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 -> 2021-09-30)

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
1 542 570 539 589 649 619 412 333 322 367 407 547
2 554 559 546 581 657 608 411 332 325 367 424 550
3 557 556 543 576 666 602 404 333 326 369 430 530
4 551 552 537 575 674 599 397 332 327 365 421 536
5 554 550 534 583 678 596 389 330 329 361 418 527
6 573 575 539 589 676 589 386 330 329 361 418 531
7 600 592 538 596 677 584 383 330 333 362 433 520
8 583 579 536 605 679 584 379 333 337 361 435 502
9 555 572 545 606 679 572 378 333 341 361 430 506
10 546 575 549 604 682 560 376 334 343 361 429 508
11 542 564 550 606 687 547 371 331 345 362 434 519
12 538 557 556 604 687 538 365 328 347 362 439 537
13 541 556 560 618 685 535 364 328 347 362 439 550
14 546 549 554 630 684 532 363 328 349 366 434 552
15 562 545 553 631 686 525 360 326 351 370 451 544
16 585 553 552 631 685 507 356 324 355 375 452 529
17 585 553 555 635 688 498 354 325 357 374 450 512
18 588 557 561 637 684 489 352 324 358 374 456 508
19 580 560 561 635 680 476 349 322 360 377 468 514
20 567 561 567 645 676 469 348 322 360 377 494 532
21 565 558 567 643 671 464 348 321 360 379 493 551
22 566 561 566 636 663 456 347 322 358 387 504 571
23 581 556 568 639 653 455 345 322 359 388 506 563
24 578 555 565 646 646 448 342 322 360 390 533 555
25 572 550 564 646 648 441 342 321 359 384 533 550
26 560 548 565 645 648 435 340 320 361 383 535 533
27 550 545 565 653 641 429 338 318 363 384 532 535
28 550 543 563 658 635 425 337 317 365 391 534 558
29 557 580 565 655 629 421 337 318 365 390 533 569
30 565   573 650 626 414 336 321 366 393 536 576
31 570   585   618   335 323   400   558