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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
1 835 899 778 649 583 578 323 156 130 271 454 961
2 825 915 732 644 602 572 311 153 128 264 458 954
3 851 869 732 662 619 550 312 148 132 279 472 958
4 842 836 720 658 630 523 309 140 126 283 521 901
5 834 853 702 649 628 541 306 133 124 284 532 865
6 822 949 693 659 643 545 293 128 131 292 579 821
7 1,000 1,010 693 657 668 554 285 124 131 308 699 777
8 1,130 1,070 688 662 663 558 271 124 132 337 709 761
9 1,070 1,090 702 661 672 548 263 125 135 331 745 796
10 1,020 1,040 719 642 664 540 254 125 139 348 734 775
11 1,050 932 694 650 651 540 248 126 151 361 713 787
12 1,050 820 706 662 637 542 241 127 152 351 746 822
13 1,070 767 699 686 622 542 238 130 148 346 763 833
14 1,100 722 708 704 614 523 232 129 151 353 829 829
15 1,050 751 726 669 624 515 232 128 159 351 765 817
16 1,030 742 736 666 653 508 233 129 174 359 745 835
17 1,070 745 731 672 662 499 231 130 176 362 777 823
18 1,080 740 704 664 653 487 222 131 192 370 829 825
19 1,020 768 724 648 633 464 214 135 187 382 822 823
20 989 798 705 669 612 451 211 136 191 395 814 833
21 1,000 831 693 641 594 436 207 143 200 414 821 834
22 993 873 696 649 584 418 201 140 213 444 827 807
23 984 808 693 699 568 407 199 138 241 445 832 806
24 947 794 687 677 573 398 196 145 247 436 825 802
25 957 774 720 655 587 380 189 146 242 418 879 787
26 908 764 728 638 587 362 183 142 241 434 869 783
27 901 745 713 648 575 354 179 141 247 438 853 782
28 872 779 691 637 584 354 174 132 245 445 873 777
29 879 884 670 614 595 351 169 126 247 452 939 765
30 886   683 600 581 338 166 126 272 412 976 797
31 888   683   587   161 130   443   803