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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 -> 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
1 791 817 658 740 672 633 398 202 202 288 633 851
2 780 739 622 672 673 633 385 197 202 307 621 968
3 794 744 651 633 666 599 378 189 185 329 683 979
4 825 771 652 641 640 604 365 184 195 323 761 901
5 907 763 645 704 667 624 343 189 193 312 629 848
6 854 805 618 702 688 606 341 187 205 286 671 823
7 1,110 857 608 659 674 639 318 180 192 312 773 785
8 929 844 568 645 659 600 317 181 202 350 729 810
9 874 852 651 669 652 599 330 167 193 411 652 855
10 805 770 644 647 650 606 317 162 199 456 710 896
11 816 666 624 654 693 567 308 162 200 400 739 957
12 893 712 613 653 684 559 316 158 179 374 815 944
13 870 726 612 668 692 573 330 166 180 377 810 900
14 930 778 606 693 694 576 292 158 236 363 841 922
15 946 787 636 688 671 584 285 174 226 421 729 978
16 910 800 647 685 687 574 273 168 250 411 766 848
17 943 746 610 746 697 556 279 158 258 409 757 836
18 997 733 626 711 676 529 256 158 252 395 762 810
19 888 804 658 683 671 535 246 158 241 451 780 799
20 882 739 629 707 686 513 245 166 313 494 842 860
21 821 746 628 670 680 481 237 167 273 492 735 792
22 800 744 632 640 706 472 227 171 262 500 801 770
23 1,040 668 625 661 685 456 224 183 262 487 902 811
24 1,010 696 673 675 665 456 231 185 252 519 982 836
25 932 652 658 649 640 453 227 184 285 582 1,010 762
26 845 653 638 635 646 438 234 183 279 542 901 767
27 809 642 628 660 644 425 232 189 275 504 907 729
28 822 671 632 725 677 430 224 193 274 579 901 844
29 863 645 625 753 679 437 233 188 271 522 831 825
30 880   663 715 641 405 218 181 334 555 804 828
31 849   719   636   212 179   656   767