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<br />.. <br /> <br />WEIGHTED MONTHLY SALINITIES AT <br />SELECTED COLORADO RIVER STATIONS l' <br />AND RUNNING 12-MONTH NIB-INPERIAL FLOW-WEIGHTED SALINITY DIFFERENTIAL <br />(in parts per million) <br /> <br /> 0 <br /> 0 <br /> Below Below Palo Verde At At Northerly Inter- Running >-> <br /> Hoover Dam Parker Dam Canal Near Blvthe Impenal Dam national Boundary 12-Month c...., <br /> 5-Year 5-Year 5-Year 5-Year 5.Year Flow-WId, ~) <br /> ;:..; <br /> avg,Y avg,Y avgY avgY avg,Y Differential 31 <br /> 1974-78 2001 2002 1974-78 2001 2002 1974-78 2001 2002 1974-78 2001 2002 1974-78 2001 2002 2001 200 <br /> Month <br /> . Jan. 690 580 582 709 576 751 599 913 707 708 1,041 847 856 119,3 139.0 <br /> Feb. 675 578 611 706 591 732 593 835 655 676 998 758 839 115,5 146,9 <br /> March 684 585 605 699 590 727 599 805 659 675 925 747 783 114,8 152.2 <br /> April 680 588 600 700 582 714 588 801 642 658 892 722 781 111.4 157,7 <br /> May 677 588 595 698 593 709 603 822 651 679 962 831 871 114.2 157.6 <br />.~ June 678 588 695 584 712 595 812 655 956 816 116,9 <br />.,' <br /> July 682 592 688 590 709 597 797 682 909 804 117.4 <br /> August 690 584 686 594 706 597 800 702 907 876 119,1 <br /> Sept 672 593 686 590 737 594 815 707 952 898 121,9 <br /> Oct 680 581 689 596 739 601 854 712 1,070 1,010 132.4 <br /> Nov, 682 601 692 594 746 605 897 714 1,010 920 136,2 <br /> Dec, 681 585 702 731 877 743 999 896 138,8 <br /> ~ <br /> <br /> <br />General Notes: <br /> <br />1/ Salinities based on "sum of constituents" <br /> <br />2/ 5-Year averages are arithmetic <br /> <br />'J/ 12-month flow-weighted differential between NIB and Imperial Dam through month shown in left column. <br />