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USGS Surface-Water 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 14137000 SANDY RIVER NEAR MARMOT, OR


Clackamas County, Oregon
Hydrologic Unit Code 17080001
Latitude  45°23'59", Longitude 122°08'10" NAD27
Drainage area 264  square miles
Gage datum 0.00 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 1911-10-01 -> 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 1,890 2,010 1,610 1,950 1,890 1,500 849 477 410 452 1,040 2,080
2 2,110 1,860 1,660 1,840 1,910 1,480 822 468 403 477 1,100 2,250
3 2,010 1,770 1,570 1,770 1,900 1,490 803 464 386 509 1,130 2,090
4 1,980 1,700 1,540 1,730 1,890 1,440 773 459 382 493 1,210 2,080
5 2,140 1,670 1,580 1,850 1,920 1,440 748 453 385 476 1,180 1,950
6 2,370 1,910 1,630 1,830 1,940 1,430 731 446 390 468 1,190 2,090
7 2,320 2,130 1,610 1,880 1,960 1,480 724 447 388 514 1,390 2,040
8 2,100 1,830 1,540 1,900 1,900 1,490 704 443 375 498 1,360 1,740
9 1,990 1,830 1,640 1,850 1,870 1,460 697 434 368 575 1,290 1,730
10 1,930 1,950 1,680 1,860 1,840 1,410 682 430 372 566 1,150 1,880
11 1,860 1,800 1,600 1,890 1,840 1,370 665 425 396 589 1,290 2,130
12 1,980 1,730 1,590 1,850 1,830 1,320 649 420 390 582 1,340 2,180
13 2,170 1,820 1,610 1,920 1,800 1,310 645 414 379 569 1,370 2,280
14 2,200 1,780 1,580 1,930 1,840 1,270 639 412 387 564 1,310 2,010
15 2,210 1,790 1,610 1,880 1,850 1,240 625 411 399 572 1,340 1,840
16 2,210 1,910 1,670 1,840 1,850 1,200 615 409 403 598 1,430 1,750
17 2,180 1,910 1,700 1,840 1,850 1,180 607 407 398 573 1,590 1,790
18 2,240 1,900 1,750 1,840 1,820 1,150 592 410 407 585 1,580 1,830
19 2,160 1,960 1,720 1,810 1,790 1,130 579 406 411 611 1,670 1,980
20 2,010 1,900 1,660 1,960 1,780 1,110 567 403 416 645 1,870 2,200
21 1,960 1,910 1,650 1,910 1,750 1,080 558 399 401 699 1,760 2,310
22 1,840 1,910 1,660 1,850 1,720 1,040 552 400 398 801 1,750 2,470
23 1,990 1,940 1,650 1,840 1,710 1,000 548 400 407 808 1,830 2,270
24 2,070 1,860 1,660 1,890 1,650 969 539 401 419 768 2,050 2,130
25 2,140 1,690 1,660 1,880 1,650 958 526 401 419 763 2,300 2,030
26 1,970 1,690 1,660 1,850 1,640 936 519 408 447 751 2,100 1,920
27 1,880 1,620 1,680 1,970 1,640 918 513 401 422 778 2,020 1,980
28 1,910 1,630 1,720 1,950 1,610 901 506 392 428 841 2,010 2,280
29 1,900 1,820 1,840 1,910 1,610 901 497 391 454 861 1,950 2,220
30 1,920   1,940 1,900 1,590 872 490 396 451 832 2,060 2,240
31 1,950   2,050   1,520   480 396   982   1,990