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<br />. . <br /> <br />- <br /> <br />2 <br /> <br />May precipitation was below normal, ranging from 50 to 30 percent of normal. Seasonal <br />precipitation totals, October through l~,are 110 to 200 percent of normal above <br />Flaming GOl'ge, 80 to 120 percent in the Duchesne Basin, 50 to 100% in southeastern <br />Utah and gl'eater than 150 percent in the \Vhite and Yampa drainages. <br /> <br />Record temperatures in May produced very high flows throughout the Green River <br />Basin. Many seasonal peaks have occurred on the Yampa and lower Green River, with <br />peaks still to corne in the upper portions of the Green River basin. A~ord peak <br />.Q[ near_25,300 cfs occurred on th~Yam~g at Maybell o~fuy 17. The previous record <br />was 17,900 cfs in 1917. The ~lliy monthly volume at Yampa at Steamboat Springs, was <br />197,400 acre~feet, a new record high from measurements back to 1910. The May flow <br />for Green River at Green Rivel', Utah was 1.937 million acre-feet, the second highest <br />lJay flow since 1911. Extensive flooding occurred on the upper reaches of Little <br />Snake River near the towns of Baggs and Dixon, Wyoming. Lowland or pasture flooding <br />was quite common over most of the basin below Flaming Gorge Reservoir. ~~gh flows <br />on the Duchesne near Randlett, washed away the gaging and telemetry equipmenc at <br />that site. Mud flows in eastern Utah were responsible for one death. <br /> <br />SAN JUAN ~I~~ BASIN: <br />adequate su~plies with <br />on May 1, ranging from <br /> <br />The water supply outlook for the San Juan Basin indicates <br />streamflow forecasts generally unchanged from those issued <br />107 to 132% of normal. <br /> <br />May precipitation.was below normal. Mountainous areas received 60 to 90% of average <br />while valley reports in the lower basin were 20 to 50% of normal. Seasonal precipi- <br />tation, October through May, was near normal with amounts generally 85 to 115%. <br /> <br />Snow surveys on June 1 indicate that most of the snow below 10,000 has melted and <br />high elevation courses are slightly below normal. <br /> <br />Warm weather the second half of May <br />during the month much above normal. <br />acre-feet, 132% of normal while the <br />160% of normal. <br /> <br />produced an early snowmelt runoff with flows <br />Inflow to Navajo Reservoir was near 350,000 <br />flow at Bluff, Utah was 540,000 acre-feet, <br /> <br />J~~e 1 stor~ge in ~avajo Reservcir was 1.57 million acre-f8et} 167% of average and <br />93% of capacity. <br />