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GUNNISON BASIN
<br /> Basinwide Conditions Assessment:
<br /> The SWSI value of -0.7 indicates that for October the . i , En,
<br /> basin water supplies were slightly below normal. The National l j 11\1 ! JU 1J H ii C � EA
<br /> Weather Service reports October precipitation at 63% of normal. Surface Water Supply Index History
<br /> Flow at the gaging station, Uncompahgre River near Ridgway,
<br /> averaged 77 cfs for the month as compared to the 1961-1991 a I !
<br /> October average of 85 cfs. Reservoir storage measured on # ,L l
<br /> October 31 was 86% of normal. Carryover is 17% of capacity for 2 L
<br /> the Grand Mesa Reservoirs, which while being nearly constant I
<br /> since 1988 is noticeably lower than the long term average i
<br /> carryover of 34% of capacity. 1
<br /> .2EI
<br /> Administrative/Management Concerns I! ,
<br /> Demand for irrigation water continued through October ,[ I _
<br /> Le
<br /> in the Uncompahgre Valley, on the south side of Grand Mesa, and 3 'I�OHTIVYEAP '` yea '�' `
<br /> in low elevation areas. A major storm brought considerable rain
<br /> and wet snow to the Gunnison and San Miguel basins the last few
<br /> day of October and the first two days of November ending the
<br /> irrigation demand and a very dry fall.
<br /> !JNCOMPHGPE P I`IIEP NEAP P!]GWAY
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<br /> 1f1-Ig1 GERM 01331GF OCTCEA 1412
<br /> Representative Peserva i rs
<br /> Gunni,in giver Basin
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<br /> ®Avg. 10/31 Contents 010/31/92 Contents
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