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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 12138160 SULTAN RIVER BELOW POWERPLANT NEAR SULTAN, WA


Snohomish County, Washington
Hydrologic Unit Code 17110009
Latitude  47°54'27", Longitude 121°48'51" NAD27
Drainage area 94.2  square miles
Gage datum 267.0 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 1983-10-01 -> 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
1 974 1,370 874 781 713 798 539 337 360 353 1,030 1,290
2 985 1,220 868 784 756 800 522 321 377 350 1,180 1,220
3 1,020 1,090 902 780 780 814 522 318 374 348 1,170 1,170
4 1,050 1,110 931 785 747 810 519 314 360 394 1,190 1,180
5 1,110 1,130 912 847 743 811 515 316 356 455 1,130 1,190
6 1,110 1,060 882 827 726 792 504 320 368 405 1,190 1,170
7 1,210 1,040 884 793 699 813 479 325 389 384 1,250 1,170
8 1,150 1,070 855 798 696 800 475 332 424 393 1,210 1,230
9 1,120 1,060 848 804 687 785 482 322 422 397 1,180 1,190
10 1,110 1,030 847 827 717 787 455 323 432 409 1,200 1,220
11 1,130 967 811 811 692 778 434 346 447 406 1,300 1,220
12 1,180 967 807 793 688 750 433 356 439 405 1,250 1,240
13 1,190 951 835 797 743 760 440 367 394 408 1,210 1,240
14 1,170 962 820 811 771 766 443 365 365 433 1,250 1,190
15 1,120 1,020 801 827 781 737 413 364 352 444 1,230 1,130
16 1,130 1,010 815 844 782 685 416 395 359 552 1,260 1,100
17 1,110 980 809 879 708 638 437 427 367 595 1,240 1,120
18 1,180 956 795 854 702 627 415 414 356 616 1,290 1,120
19 1,160 950 805 828 742 617 395 396 348 652 1,250 1,090
20 1,140 913 790 834 763 628 382 380 345 711 1,270 1,070
21 1,160 921 771 827 756 626 389 375 349 769 1,280 1,070
22 1,150 966 747 802 725 618 403 374 354 819 1,310 1,040
23 1,160 933 756 791 712 610 403 368 363 816 1,470 1,050
24 1,210 939 778 792 698 618 399 378 370 845 1,840 1,020
25 1,300 919 827 777 721 592 394 381 373 948 1,520 963
26 1,190 860 791 743 696 555 396 387 365 926 1,290 948
27 1,100 826 743 738 723 549 391 367 356 1,020 1,230 919
28 1,130 832 722 749 743 555 388 351 353 1,000 1,350 912
29 1,140 879 709 712 774 561 385 352 358 984 1,550 925
30 1,180   735 719 768 543 370 360 368 953 1,340 951
31 1,160   745   783   357 358   971   974