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USGS Surface-Water 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 14200000 MOLALLA RIVER NEAR CANBY, OR


Clackamas County, Oregon
Hydrologic Unit Code 17090009
Latitude  45°14'40", Longitude 122°41'10" NAD27
Drainage area 323  square miles
Gage datum 94 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 1928-10-01 -> 2022-09-30)

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 2,160 1,970 1,550 2,080 1,270 761 378 103 97 201 822 1,640
2 2,400 1,830 1,650 1,820 1,320 777 340 102 115 206 901 1,750
3 2,230 1,770 1,620 1,630 1,260 786 318 100 105 208 894 1,900
4 2,260 1,750 1,470 1,490 1,240 771 296 99 93 200 907 2,000
5 2,220 1,710 1,440 1,490 1,290 780 274 99 102 218 905 1,950
6 2,280 1,910 1,570 1,550 1,290 732 256 96 104 235 867 2,000
7 2,460 1,960 1,660 1,580 1,220 732 242 96 102 225 1,040 2,110
8 2,300 1,850 1,660 1,700 1,150 739 230 93 99 222 1,150 1,860
9 2,230 1,720 1,780 1,670 1,110 803 224 90 96 294 1,200 1,850
10 2,200 1,700 1,850 1,590 1,110 768 215 88 100 356 1,170 1,920
11 2,210 1,660 1,690 1,570 1,110 710 210 86 112 322 1,120 2,030
12 2,260 1,720 1,760 1,530 1,080 658 199 84 114 332 1,180 2,350
13 2,440 1,840 1,760 1,620 1,050 609 189 84 105 312 1,280 2,240
14 2,330 1,710 1,690 1,660 1,060 588 180 83 103 323 1,360 2,250
15 2,610 1,770 1,780 1,590 1,100 588 174 84 113 345 1,570 2,090
16 2,540 2,020 1,880 1,520 1,120 575 168 83 126 393 1,690 1,920
17 2,510 2,130 1,800 1,510 1,120 579 163 81 128 385 1,600 1,870
18 2,650 2,060 1,820 1,490 1,080 571 158 80 153 466 1,640 1,960
19 2,820 2,050 1,840 1,400 1,050 553 151 81 166 455 1,790 2,000
20 2,670 1,830 1,650 1,480 1,040 559 146 85 179 561 1,790 2,440
21 2,590 1,720 1,640 1,490 1,020 531 140 89 171 562 1,460 2,810
22 2,280 1,840 1,700 1,400 989 482 136 88 156 632 1,560 3,080
23 2,240 1,730 1,660 1,320 957 454 130 94 151 657 1,810 2,740
24 2,320 1,650 1,720 1,360 913 437 126 97 163 593 1,960 2,410
25 2,370 1,750 1,770 1,350 887 441 122 112 155 535 1,880 2,110
26 2,230 1,720 1,730 1,330 894 433 119 121 152 539 1,860 2,100
27 2,180 1,670 1,750 1,310 897 417 118 126 149 488 2,080 2,320
28 2,340 1,710 1,800 1,300 891 411 117 118 166 574 1,820 2,440
29 2,150 2,200 1,920 1,280 872 448 114 106 184 669 1,770 2,510
30 2,080   1,980 1,240 843 431 110 101 198 682 1,590 2,520
31 1,990   2,150   787   106 98   696   2,400