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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 12117600 CEDAR RIVER BELOW DIVERSION NEAR LANDSBURG, WA


King County, Washington
Hydrologic Unit Code 17110012
Latitude  47°22'47", Longitude 121°58'56" NAD27
Drainage area 134  square miles
Gage datum 490 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 -> 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
1 855 882 780 654 583 578 323 156 130 271 454 941
2 844 896 735 647 602 572 311 153 128 264 458 934
3 862 852 736 664 619 550 312 148 132 279 472 938
4 845 820 721 660 630 523 309 140 126 283 514 883
5 832 837 700 651 628 541 306 133 124 284 526 848
6 820 929 688 660 643 545 293 128 131 292 571 805
7 992 986 685 661 668 554 285 124 131 308 687 766
8 1,120 1,050 679 668 663 558 271 124 132 337 697 750
9 1,050 1,070 693 667 672 548 263 125 135 331 731 782
10 1,010 1,020 710 642 664 540 254 125 139 348 721 761
11 1,040 913 685 650 651 540 248 126 151 361 702 773
12 1,050 804 697 662 637 542 241 127 152 351 734 807
13 1,060 753 691 686 622 542 238 130 148 346 752 817
14 1,090 710 699 704 614 523 232 129 151 353 816 814
15 1,040 738 717 669 624 515 232 128 159 351 756 802
16 1,020 729 726 666 653 508 233 129 174 359 736 820
17 1,060 734 722 672 662 499 231 130 176 362 771 808
18 1,070 733 695 664 653 487 222 131 192 370 823 817
19 1,000 762 714 648 633 464 214 135 187 382 813 817
20 974 796 696 669 612 451 211 136 191 395 806 827
21 984 836 686 641 594 436 207 143 200 414 812 837
22 976 890 691 649 584 418 201 140 213 444 818 816
23 965 832 694 699 568 407 199 138 241 445 821 818
24 928 803 705 677 573 398 196 145 247 436 815 816
25 937 774 744 655 587 380 189 146 242 418 866 801
26 890 767 750 638 587 362 183 142 241 434 854 799
27 883 751 739 648 575 354 179 141 247 438 838 798
28 855 783 719 637 584 354 174 132 245 445 857 799
29 862 884 696 614 595 351 169 126 247 452 920 787
30 869   698 600 581 338 166 126 272 412 955 815
31 871   696   587   161 130   443   826