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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 12166185 NF STILLAGUAMISH R AT C-POST BRIDGE NEAR OSO, WA


Snohomish County, Washington
Hydrologic Unit Code 17110008
Latitude  48°17'00.91", Longitude 121°49'49.88" NAD83
Drainage area 144  square miles
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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 2015-10-01 -> 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 1,610 2,720 1,870 1,060 994 916 515 232 145 461 2,160 1,530
2 1,730 1,860 1,330 1,000 938 906 500 238 164 473 2,000 1,290
3 2,010 1,610 1,390 946 1,070 845 461 231 158 365 1,380 1,290
4 1,990 2,050 1,250 1,080 1,180 779 430 218 145 309 2,110 1,400
5 1,580 1,970 1,070 1,100 1,370 733 420 209 140 334 2,020 1,100
6 1,870 1,750 1,060 1,170 1,250 712 418 208 138 318 1,700 1,190
7 2,800 1,620 943 1,320 1,170 720 418 217 136 420 1,270 1,090
8 1,880 1,510 882 1,550 1,080 734 410 236 145 801 1,150 1,850
9 1,420 2,000 992 1,350 1,110 754 409 219 152 769 936 2,020
10 1,420 1,670 1,270 1,220 1,050 778 397 204 182 764 860 1,260
11 1,690 1,290 1,070 1,150 1,070 693 385 198 193 729 848 1,450
12 3,370 1,420 1,080 1,090 1,070 659 370 200 167 770 1,920 1,420
13 2,990 1,230 1,190 1,090 1,040 685 361 195 198 916 2,700 1,480
14 1,730 1,170 1,510 1,430 1,040 771 339 186 217 1,360 2,810 1,220
15 1,360 2,180 1,790 1,260 1,040 806 326 178 325 1,000 2,920 1,020
16 1,230 2,550 1,410 1,140 1,060 978 322 175 270 1,050 1,990 1,000
17 1,260 1,570 1,110 1,190 1,080 706 321 176 330 1,190 2,830 1,210
18 2,330 1,280 1,610 1,220 1,020 673 384 173 633 1,370 2,070 2,010
19 1,870 1,110 1,290 1,660 930 721 330 167 416 1,400 1,610 1,880
20 1,850 1,080 1,120 1,330 882 712 308 163 362 1,710 1,470 3,030
21 1,800 961 1,090 1,200 888 686 291 167 276 1,510 1,680 3,020
22 1,880 1,330 1,140 1,120 949 627 278 184 335 2,040 2,510 2,030
23 2,570 1,050 1,170 1,100 1,000 607 273 167 450 966 2,100 1,550
24 2,370 897 1,210 1,080 935 618 266 159 508 740 1,680 1,220
25 1,640 805 1,160 1,070 852 660 257 153 528 683 1,650 1,020
26 1,420 780 1,030 1,160 849 632 250 150 478 1,030 2,310 926
27 1,450 785 1,180 1,220 911 629 250 158 552 1,160 2,640 841
28 2,060 1,440 1,300 1,130 1,230 585 247 154 503 1,500 2,460 847
29 1,970 1,010 1,600 997 1,060 541 239 147 465 1,400 1,680 1,190
30 1,810   1,430 1,050 1,020 517 234 146 658 1,090 1,500 1,490
31 1,800   1,170   989   236 145   1,680   1,300