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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 12148500 TOLT RIVER NEAR CARNATION, WA


King County, Washington
Hydrologic Unit Code 17110010
Latitude  47°41'45", Longitude 121°49'22" NAD27
Drainage area 81.4  square miles
Gage datum 348 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 1927-10-01 -> 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
1 791 817 659 736 670 632 398 202 201 286 633 851
2 780 739 624 669 671 634 385 197 201 305 621 968
3 794 742 651 632 663 606 377 189 185 327 683 979
4 825 768 653 639 638 610 365 184 195 321 761 901
5 907 760 644 701 666 629 342 189 192 310 629 848
6 854 801 618 699 689 609 341 187 204 284 671 823
7 1,110 852 607 657 674 639 317 180 191 310 773 785
8 929 840 568 642 659 600 316 181 201 348 729 810
9 874 847 650 671 651 598 329 167 192 408 652 855
10 805 766 643 646 649 604 316 162 198 452 710 896
11 816 664 623 652 692 565 307 162 200 397 739 957
12 893 715 614 651 683 557 315 159 179 372 815 944
13 870 725 613 666 689 570 329 166 179 375 810 900
14 930 776 605 691 691 574 291 158 235 360 841 922
15 946 783 634 686 667 582 284 174 225 418 729 978
16 910 796 646 682 684 576 273 168 248 409 766 848
17 943 742 611 742 694 556 278 158 257 407 757 836
18 997 729 627 707 673 530 255 159 251 393 762 810
19 888 799 658 680 667 534 245 159 240 451 780 799
20 882 734 629 703 682 512 244 166 311 500 842 860
21 821 742 628 667 679 480 237 167 271 493 735 792
22 800 740 632 636 711 471 226 170 260 500 801 770
23 1,040 665 627 657 685 455 224 182 261 487 902 811
24 1,010 693 674 670 664 455 230 188 250 519 982 836
25 932 655 657 647 639 452 227 186 284 582 1,010 762
26 845 654 638 638 646 437 234 184 278 542 901 767
27 809 641 628 660 644 428 231 190 274 504 907 729
28 822 675 632 726 675 432 223 194 272 579 901 844
29 863 674 624 753 679 437 233 189 270 522 831 825
30 880   661 714 641 404 220 181 332 555 804 828
31 849   716   636   213 179   656   767