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. <br /> YAMPA/IN'HI1E BASIN <br /> Basinwide Conditions Assessment: I <br /> The SWSI value of-3.3 indicates that for March the YAMPA-WHITE RIVER BASINS <br /> basin water supplies were much below normal. The National s Surface Rater Slimly MI.LOry <br /> Weather Service reports March precipitation at 92% of , <br /> average. The Soil Conservation Service reports April 1 i a=c - <br /> snowpack at between 75% and 83% of average. Flow at the i 3 I: -,-- ' +," - <br /> gaging station, Yampa River at Steamboat, was 140.8 cfs as 2 `' , <br /> compared to the 1961-1991 March average of 145.4 cfs. I. 1 - IN i <br /> March weather was generally warm with below average 9 a r' ,l.�. ■■� - ��I' j 1i ` , <br /> precipitation resulting in a reduction of snowpack to 78% of ti ke1040, <br /> average. Rabbit Ears West Summit and Tower were the only a 4 - �; � <br /> 41 <br /> snow courses with readings of 90% and 100% of average, c �, ;I <br /> respectively. Stream flows have remained at or near the levels 3- - <br /> expected for this time of year. Sufficient water has been --- - -- <br /> JAN93 JANiI JAWS JAMB JAN97 JAN99 .JAN■9 J04490 JA0091 JAN92 <br /> available for storage in some areas with no demand for WWI*,YEAR <br /> irrigation water during the month. <br /> Outlook: <br /> Stream flows are expected to be near normal for the <br /> next month. Based on present conditions,runoff could begin YAMPA RIVER AT STEAMBOAT <br /> earlier than formal, and could be well below average. .0- FLOW 9Y WATER YEAR <br /> Administrative/Management Concerns: . <br /> Continued warm,dry weather could trigger a river call a <br /> this month. Above normal precipitation during April and May 40 ' <br /> could reverse the trend. if <br /> :g <br /> 1.1 <br /> Public Use Impacts: 1.7., <br /> 20 <br /> Adverse impacts on recreational uses of the streams <br /> are expected to be minimal. � <br /> 0 <br /> Oct lb. o.. J.. irh ketch <br /> MONTH <br /> 6 NET C 1994) + Or1Y C 1977) O AVEM.4Z n 1992 <br /> 8 <br />