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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />T bl 3 GI C <br /> <br />D R I <br /> <br />R <br /> <br />(GI C <br /> <br />D 0 <br /> <br />c <br /> <br />a e en anvon am c case estnctlons en aovon am cratmg ntcna <br />Parameter (cfs) (ems) Conditions <br />Maximum flow (l) 25.000 708.0 <br />Minimum flo\\' 5.000 141.6 :\ighttime <br /> 8.000 226.6 7:00 am to <br /> 7:00 pm <br />Ramp rates <br />Ascending 4.000 113.3 per hOUf <br />Descending 1.500 42.5 per hour <br />Daily fluctuations (~I 5.000/8.000 141.6/226.6 <br /> <br />Lake "lead <br /> <br />For calendar year 2002. the surplus condition was the criterion governing the operation of Lake <br />;v1cad in accordance \,,'jth Article II1(3)(b) of the Operating Criteria, Article II(B)(2) of the Decree, <br />and Section 2(8)(2) of the Interim Surplus Guidelines. The estimated amount of additional <br />mainstream \valer made available in the 2002 AOP was 0.640 maf(789 mem). A volume ofl.5 mar <br />(1.850 mem) ofw3ler was scheduled for delivery to ~lcxico in accordance with Article 15 of the <br />1944 U.S..Mexico Treaty and Minute No. 242 of the International Boundary and \\'aterCommission. <br /> <br />Lake Mead began water year 2002 at elcvation 1.177.96 feet (359.0..t meters). \\'ith 19.9I11af(24.546 <br />mcm) in storage. 77 percent of the conservation capacity of25.877 maf(31.919 mcm). During the <br />year. Lake ,1\1cad steadi1ydec1ined and reached its minimum elevation of I I 55...t2 feet (352 meters) <br />at the end of September 200~. with 17.1 Olaf (21.093 mcm) in storage. 66 pcrcent of capacity. <br /> <br />The total release from Lake ~1ead through Hoover Dam during water year 2002 was 10.5 Olaf <br />(1~.951 mcm), with an additional O.~8~ maf(3..t8 mcm} being diverted from Lake !-vlead by the <br />Robert Griffith Water Project. <br /> <br />(IJ May be exceeded during beachihabitat building Ilows. habitat maintenance flows. or when <br />necessarv to manage above average hvdro1ol.!ic conditions. <br />. ~ ~ ~ -- <br /> <br />(~) Daily fluctuations limit is 5.000 cfs (141.6 ems) for months with release volumes less than <br />0.600 O1af(740 mcm); 6.000 efs (169.9 ems) for monthl:' release volumes of 0.600 to 0.800 maf <br />(740 to 987 mcm); and 8.000 cfs (226.6 ems) for monthly volumes over 0.800 maf(990 mem). <br /> <br />December 13. 2002 <br /> <br />16 <br />