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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 14142500 SANDY RIVER BLW BULL RUN RIVER, NR BULL RUN, OR


Clackamas County, Oregon
Hydrologic Unit Code 17080001
Latitude  45°26'57", Longitude 122°14'38" NAD27
Drainage area 436  square miles
Gage datum 240 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 1910-10-01 -> 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 3,550 3,770 2,910 3,770 3,140 2,210 1,210 559 458 614 1,850 3,580
2 3,920 3,450 3,040 3,410 3,180 2,160 1,120 552 467 574 2,010 3,830
3 3,570 3,210 2,850 3,190 3,130 2,210 1,090 538 450 650 2,110 3,640
4 3,460 3,030 2,770 3,110 3,110 2,100 967 535 468 673 2,220 3,530
5 3,580 2,950 2,820 3,270 3,130 2,100 968 528 484 674 2,360 3,420
6 3,740 3,500 2,970 3,250 3,210 2,090 928 527 484 675 2,250 3,750
7 3,920 3,930 2,970 3,300 3,120 2,310 894 517 469 794 2,830 3,530
8 3,670 3,480 2,830 3,390 2,980 2,270 869 511 461 764 2,920 3,160
9 3,490 3,340 3,070 3,270 2,850 2,250 865 508 447 958 2,550 3,210
10 3,520 3,380 3,150 3,240 2,810 2,180 852 496 449 990 2,270 3,690
11 3,400 3,150 2,850 3,360 2,830 2,130 842 491 444 1,080 2,490 4,000
12 3,410 3,030 2,900 3,250 2,750 2,020 798 480 446 989 2,610 4,280
13 3,610 3,210 2,900 3,390 2,670 1,940 778 482 455 953 2,860 3,940
14 3,640 3,110 2,820 3,460 2,750 1,830 783 466 472 927 2,630 3,510
15 3,760 3,200 2,940 3,360 2,770 1,780 768 467 516 923 2,570 3,230
16 3,780 3,220 3,080 3,270 2,760 1,730 741 469 543 969 2,680 3,070
17 3,810 3,210 2,980 3,310 2,810 1,700 734 463 557 963 2,980 3,150
18 4,120 3,120 3,170 3,290 2,800 1,660 724 458 573 1,020 3,000 3,270
19 3,820 3,110 3,140 3,140 2,770 1,610 691 451 565 1,000 3,170 3,500
20 3,490 3,010 2,980 3,450 2,740 1,640 664 453 567 1,110 3,370 3,950
21 3,420 3,340 2,900 3,300 2,680 1,590 659 452 527 1,210 3,230 3,850
22 3,470 3,570 2,950 3,070 2,670 1,510 652 458 507 1,510 3,370 4,500
23 3,500 3,650 2,950 3,030 2,660 1,440 645 458 487 1,480 3,690 4,180
24 3,550 3,470 2,960 3,190 2,510 1,360 640 460 502 1,560 3,860 3,750
25 3,590 3,090 3,060 3,130 2,480 1,300 632 465 483 1,480 4,280 3,440
26 3,400 3,100 3,040 3,050 2,430 1,260 609 486 589 1,350 3,890 3,320
27 3,230 2,980 3,090 3,200 2,490 1,270 609 485 569 1,340 3,920 3,500
28 3,480 2,920 3,180 3,250 2,440 1,260 592 465 563 1,460 3,810 4,320
29 3,580 3,170 3,350 3,160 2,420 1,280 577 461 557 1,540 3,510 4,280
30 3,600   3,490 3,150 2,340 1,260 583 463 598 1,510 3,470 4,330
31 3,640   4,010   2,260   553 448   1,700   3,850