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WSP05271
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Last modified
7/29/2009 10:24:03 PM
Creation date
10/12/2006 12:56:46 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8040.970
Description
Basin Outlook Reports
State
CO
Date
1/1/2001
Author
USDOA
Title
Colorado Basin Outlook Report
Water Supply Pro - Doc Type
Publication
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<br />GUNNISON RIVER BASIN <br />as of May 1,2001 <br /> <br />Mountain Snow pack' (inches) <br /> <br />Precipitation' (% of average) <br /> <br />__Current ---'-Average <br />___Maximum --+-Minimum <br /> <br />~nthly C1Year-to-dat;j <br /> <br />30 <br /> <br /> <br /> 120 <br /> 100 <br />.. <br />Ol 80 <br />.. <br />~ <br />.. <br />> <br />< <br />... 60 <br />0 <br />- h <br />c: <br />.. " <br />u ,~ <br />~ <br />.. 40 -- " <br />l1. ill <br /> i\ <br /> , <br /> - <br /> 20 -" % <br /> , <br /> i/ <br /> ~ <br /> ~ <br /> 0 <br /> Oct Nov Dee Jan <br /> <br /> <br />" <br />H <br />,. <br />~ <br /> <br /> 25 <br />.5 20 <br />oJ <br />c: <br />.. <br />iij <br />> 15 <br />oS <br />cr <br />w <br />~ <br />.. <br />- <br />.. 10 <br />:: <br /> 5 <br /> <br />~ <br /> <br />o <br /> <br />ii <br />,4 <br />Feb Mar Apr May <br /> <br />Jan Feb Mar Apr May Jun <br /> <br />*Based on selected stations <br /> <br />Although some significant storms during April have provided some much appreciated snow to the <br />Gunnison Basin, the inevitable spring thaw has definitely begun, and snowpack levels have <br />decreased during the month leaving the remaining accumulation at only 76% of average on May <br />1. Despite the low percent of average there is 27% more snow this year than last year at the same <br />time. The Uncompahgre Watershed has the highest snowpack percent of average at 84%, while <br />the Upper Gunnison Watershed is only 73% of average. Precipitation measured at the 12 <br />SNOTEL sites in the basin was 102% of average during April. The total precipitation received <br />this water year is only 87% of average, which is 8% more than last water year on May I. The <br />combined storage for 8 major reservoirs in the basin is 2 I % above average for this time of year. <br />There is 15% less storage than last year on May I. Most of the streamflow forecasts are very <br />nearly the same as last month's forecasts. They are highly variable ranging from only 56% of <br />average on Surface Creek near Cedaredge, to 133% of average on Cochetopa Creek below Rock <br />Creek. <br />
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