Laserfiche WebLink
COLORADO BASIN <br /> y Basinwide Conditions Assessment: <br /> The SWSI value of-1.6 indicates that for January the COLORADO RIVER BASIN <br /> basin water supplies were below normal. The Natural <br /> Surface Water Supply Index History <br /> Resources Conservation Service reports February 1 snowpack , S <br /> as 81% of normal. Storage.in Green Mountain, Ruedi, and w • <br /> —• <br /> Williams Fork reservoirs totaled 97%of normal on January 31. _ , <br /> Flow at the gaging station Colorado River near Dotsero <br /> averaged 662 cfs as compared to the 1961-1993 January J <br /> average of 968 cfs. The National Weather Service computes > - <br /> basin precipitation as 98% of normal during the month. W ° <br /> Snowpack averages declined slightly in the basin - <br /> during January as the brunt of the winter storms continued to --2 <br /> track to the south. Only the Grand Mesa snow courses are r -_3 <br /> now recording above normal snowpack. Snowpack for the cr <br /> Colorado River headwaters has dropped to 72% of normal, • JANOS JA1.87 JANOS a JANSO JAN91 J/N92 JAN82 .IANM JAMS <br /> MONTH/YEAR <br /> and snowpack for the Roaring Fork is now at 79% of normal. <br /> Administrative/Management Concerns <br /> Green Mountain Reservoir storage has already <br /> dropped to the target level established by the Bureau of COLORADO RIVER N R . DOT S E R O <br /> Reclamation for dry years and the Bureau will now begin FLOW BY WATER YEAR <br /> reducing outflows from the reservoir to conserve the 600 <br /> remaining amount. The city of Denver is expecting to rely • 500 <br /> U. <br /> heavily on Roberts Tunnel diversions in March and April due <br /> to water shortages in the South Platte Basin. Public Service Q• 4 <br /> 00 <br /> expects to have all work completed at the Shoshone Power o I <br /> Plant by early March and will place a call on the river at that LL g 3.. <br /> time. W> 200 <br /> P7 <br /> J <br /> Public Use Impacts <br /> Summit County ski areas have continued heavy snow <br /> making operations into January. Historically snow making is ° oct — . MONTHJan F. march <br /> reduced to minimal diversion by the end of December. On WET C 1984] DAY (1977) —N—AVG +1995 <br /> January 3, 1995, due to release of the Shoshone call, Dillon <br /> Reservoir outflow was cut to the minimum bypass of 50 cfs. <br /> REPRESENTATIVE RESERVOIRS <br /> COLORADO RIV6i 9A$IN <br /> !D <br /> t. 50 <br /> • i <br /> ri <br /> b8 <br /> Mt ___7\ <br /> ■ <br /> • <br /> 20 <br /> 10 /�.,\ /J�\\ �\ <br /> 0 1f11 _ ii �� <br /> Li'Nn 11D1/ttilln Rued! W1I IIa•9 Fork <br /> ® Av9. 1/11[..into ® 1/31/9S Contents <br /> 7 <br />