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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 14138850 BULL RUN RIVER NEAR MULTNOMAH FALLS, OR


Multnomah County, Oregon
Hydrologic Unit Code 17080001
Latitude  45°29'54", Longitude 122°00'40" NAD27
Drainage area 47.9  square miles
Gage datum 1,080 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 1966-10-01 -> 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
1 581 669 507 521 496 339 166 70 81 160 493 824
2 552 566 503 508 503 356 158 70 84 128 483 916
3 597 481 481 490 522 361 149 67 86 140 432 825
4 622 472 487 465 498 357 138 66 77 135 558 850
5 697 476 538 501 511 346 130 67 74 120 544 723
6 696 578 532 536 513 355 124 66 79 123 599 698
7 712 635 518 576 514 377 118 69 87 140 646 708
8 700 491 447 599 491 359 114 72 74 152 545 615
9 708 533 552 600 472 335 115 66 72 174 526 621
10 660 543 540 585 459 346 111 64 82 166 472 694
11 629 444 523 596 449 336 110 64 88 196 576 770
12 714 520 546 562 433 340 105 63 80 203 631 732
13 889 572 508 561 427 322 116 63 73 217 633 825
14 888 579 514 578 481 312 113 62 75 212 566 665
15 826 599 574 521 468 282 103 65 88 213 542 623
16 813 705 559 509 463 274 99 64 91 187 565 669
17 793 713 507 505 461 257 100 63 108 166 665 621
18 865 697 564 483 445 253 96 65 125 200 558 581
19 841 780 526 474 440 261 92 63 117 249 583 528
20 742 685 493 513 406 242 88 69 133 261 607 701
21 619 625 478 477 399 225 86 73 122 312 598 699
22 515 629 503 468 420 212 88 73 103 389 648 646
23 695 641 525 533 428 204 92 77 120 332 624 637
24 719 525 498 575 396 202 86 80 153 289 678 624
25 694 451 510 552 386 219 82 97 141 315 970 645
26 584 436 502 539 385 220 79 98 110 319 717 602
27 578 487 535 564 393 211 77 92 106 373 647 717
28 619 553 539 542 395 194 76 84 128 382 685 742
29 621 621 583 529 414 190 74 79 140 378 647 657
30 639   613 545 401 171 74 91 147 375 656 682
31 690   553   352   71 84   536   563