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r <br /> YAMPA/WHITE BASIN December, 1998 <br /> iv <br /> Basinwide Conditions Assessment: <br /> The SWSI value of -1.8 indicates that for November YAMPA—WHITE RIVER BASINS <br /> the basin water supplies were below normal. The Natural s Su-Taco Mktg Supply Index Mlatory <br /> Resources Conservation Service reports the December 1 4_ <br /> snowpack is 68% of normal. Flow at the gaging station - — E <br /> Yampa River at Steamboat averaged 167 cfs, as compared to 3 - I : : ;. , <br /> the long term average of 124 cfs. 2- <br /> November was a very dry month throughout the � ,_ -�- <br /> basin. The Steamboat Springs weather observer reported a 0 -_.��, , �-�h ,� s .Ri —4,r— <br /> .... <br /> total of 1.25 inches of precipitation for the month,which was _,_ `,,„~ �'/ t: ! : '� <br /> only 58% of normal. In Hayden, about 25 miles west of a 2_ ^ : ; .. ' <br /> Steamboat, precipitation was 0.87 inches (44% of average). - 3 = - •'-- 1 <br /> In the White River drainage, precipitation at Meeker was also -3- • : : v_ '.,-- <br /> 0.87 <br /> inches (77% of average). Even with the below average 4 <br /> JAN89 JAN9° JAN91 JAN92 JAN93 JAN94 JAN95 JAN96 JAN97 JAN98 <br /> precipitation, stream flows stayed at near normal levels. LCNTWYEAR <br /> Temperatures were well above normal for this time of year. <br /> Outlook <br /> Stream flows are expected to remain near base flow <br /> conditions. YAMPA RIVER AT STEAMBOAT <br /> Row BY WATER YEAR <br /> 60 <br /> Administrative/Management Concerns <br /> The lack of early season snowfall is disconcerting,but S0 <br /> long range forecasts continue to predict near average "s <br /> conditions. As the winter progresses, snow course <br /> measurements will be followed closely to determine the runoff 3 <br /> potential for next spring. g 30 <br /> Reservoirs in the basin are in storage and no 20 , <br /> administrable problems are anticipated for the rest of the 5 <br /> winter. ia �. <br /> Public Use Impacts ° <br /> oct Nov °ac Jan Fab mereN <br /> Normal early season winter activities were put on hold MONTH <br /> due to the lack of snow. While the Steamboat Springs ski ° WET ° DRY ' AVG x 1l99 <br /> area opened in mid-November, it was operated at reduced <br /> capacity and only with the help of extensive man-made snow. <br /> Snowmobiling was limited to areas of high elevation, resulting in limited terrain available for use. <br /> r <br /> 8 <br />