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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 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 -> 2024-09-30)

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
1 844 907 684 704 508 341 188 87 95 168 570 902
2 789 862 651 701 441 319 195 85 83 160 551 880
3 844 758 733 627 466 311 197 83 95 185 458 832
4 796 826 736 608 462 296 198 80 85 170 657 755
5 969 935 695 635 493 314 186 81 74 184 614 773
6 998 993 661 637 496 317 174 80 78 141 631 716
7 1,590 961 638 655 482 315 158 87 79 142 768 664
8 1,550 928 588 695 487 317 184 111 86 226 680 705
9 1,230 865 640 665 428 315 186 93 89 216 489 744
10 1,030 728 760 624 421 356 160 82 93 241 464 817
11 1,010 607 732 626 391 343 145 85 108 237 550 929
12 1,060 555 710 624 399 343 136 83 91 228 701 1,020
13 1,060 559 779 624 375 377 132 88 87 222 735 998
14 996 589 807 726 397 412 131 81 98 290 705 920
15 864 773 834 681 415 359 128 77 130 294 697 931
16 824 830 908 624 434 335 121 80 132 290 780 854
17 824 786 792 695 420 312 125 81 152 364 768 894
18 945 759 773 624 396 319 127 82 198 353 709 900
19 862 821 871 584 384 299 119 74 150 350 816 783
20 829 824 836 635 371 260 151 74 135 423 806 921
21 861 819 767 573 351 249 159 77 143 505 746 951
22 859 1,010 725 503 366 238 132 82 121 558 756 849
23 854 826 735 497 376 243 119 94 156 424 817 851
24 889 710 761 548 356 250 118 92 139 382 856 898
25 949 665 724 504 319 250 111 98 130 337 930 809
26 803 604 675 496 329 229 106 95 134 403 925 762
27 696 563 693 476 344 206 100 87 148 396 857 763
28 746 621 716 450 396 202 99 82 138 427 966 898
29 880 622 733 439 429 215 103 79 143 470 985 899
30 1,120   771 448 367 190 97 80 191 429 909 896
31 950   780   350   91 74   526   854