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USGS Daily Statistics for Washington

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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 12155300 PILCHUCK RIVER NEAR SNOHOMISH, WA


Snohomish County, Washington
Hydrologic Unit Code 17110011
Latitude  47°56'06", Longitude 122°04'19" NAD27
Drainage area 127  square miles
Gage datum 30.00 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 1991-10-01 -> 2020-09-30)

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
1 823 941 614 739 525 349 193 89 100 162 616 918
2 770 868 632 732 454 324 201 87 87 164 584 897
3 765 758 725 647 480 314 204 85 99 196 484 865
4 762 836 746 618 474 294 205 81 89 180 615 787
5 970 854 707 652 506 308 193 83 76 198 526 685
6 976 950 673 660 492 298 181 82 81 147 629 642
7 1,500 929 654 679 458 301 163 89 82 148 772 620
8 1,550 910 599 712 435 310 192 115 90 245 704 654
9 1,250 873 660 681 405 314 194 95 93 234 506 707
10 1,040 736 798 614 414 338 166 84 99 245 472 762
11 1,010 611 769 609 389 330 150 87 116 240 558 884
12 929 561 747 614 401 337 140 85 96 227 640 1,040
13 942 565 811 631 369 378 136 92 92 227 698 1,050
14 930 597 833 755 398 402 135 83 105 305 694 968
15 827 798 840 710 417 354 133 79 141 306 657 981
16 802 840 932 649 429 336 125 82 143 282 775 894
17 818 790 816 725 422 315 129 83 167 346 789 927
18 948 774 797 647 399 321 132 84 208 340 721 910
19 851 842 894 600 377 300 123 76 156 344 833 750
20 775 781 852 661 369 255 159 76 140 444 831 908
21 836 762 758 594 354 245 167 79 153 545 781 950
22 868 925 706 518 374 238 138 85 129 606 801 783
23 876 786 736 507 384 246 123 98 169 451 840 824
24 923 705 768 548 362 256 123 96 144 394 879 871
25 996 671 730 503 319 257 115 103 132 347 956 763
26 838 600 687 502 332 234 109 100 126 419 884 718
27 716 558 715 484 345 210 103 90 141 413 854 722
28 771 572 744 458 399 206 102 84 131 431 966 838
29 926 622 762 448 439 222 106 82 133 442 989 896
30 1,190   811 458 373 195 100 82 191 446 932 897
31 993   823   358   93 76   552   799