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<br />WEIGHTED MONTHLY SALINITIES AT <br />SELECTED COLORADO RIVER STATIONS 1/ <br />AND RUNNING 12-MONTH NIB-INPERIAL FLOW-WEIGHTED SALINITY DIFFERENTIAL <br />On parts per million) <br /> <br /> Balow Below Palo Verde At At Northerly Inter- Running <br /> Hoovar Dam Parker Dam Canal Near Blvthe ImDerial Dam national BoundeN 12-Month <::) <br /> 5-Year 5-Year S-Year 5-Year S-Year Flow-Wtd. -=> <br /> aVII.Y avg.Y avg.2/ avg.Y aVII.21 Differential" ..... <br /> 1974-78 2001 2002 1974-78 2001 2002 1974-78 2001 2002 1974-78 2001 2002 1974-78 2001 2002 2001 2l102c...:> <br /> ....... <br /> = <br /> Month <br /> Jan. 690 580 709 576 751 599 913 707 708 1,041 847 856 119.3 139.0. <br /> Feb. 675 578 706 591 732 593 835 655 996 758 115.5 <br /> March 684 585 699 590 727 599 805 659 925 747 114.8 <br /> April 680 588 700 582 714 588 801 642 892 722 111.4 <br />.:.. May 677 588 698 593 709 603 822 651 962 831 114.2 <br />, June 678 588 695 584 712 595 812 655 956 816 116.9 <br /> July 682 592 688 709 797 682 909 804 117.4 <br /> August 690 584 686 706 800 702 907 876 119.1 <br /> Sept 672 593 686 737 815 707 952 898 121.9 .' <br /> Oct 680 581 689 739 854 712 1,070 1,010 132.4 <br /> Nov. 682 601 692 746 897 714 1,010 920 136.2 <br /> Dec. 681 585 702 731 877 743 999 896 138.8 <br /> <br />General Notes: <br /> <br />. <br /> <br />11 Salinities based on "sum of constituents". <br /> <br />7.1 5-Year averages are erithmetic <br />'J.I 12-month f1ow-wei9hted differential between NIB and Imperial Dam through month shown in left column. <br /> <br />J <br />