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RIO GRANDE BASIN <br /> Basinwide Conditions Assessment: <br /> The SWSI value of-0.9 indicates that for November the R I O GRANDE BASIN <br /> •asin water supplies were slightly below normal. The Soil 5 _ '"l Water Supply lode:History <br /> oins Conservation Service reports November 30 snowpack at 70% of 4_ <br /> normal. Storage in Platoro, Rio Grande, and Santa Maria y 3- ,- <br /> reservoirs totaled 90% of normal on November 30. The weather N . . tin <br /> during the month of November was colder with more precipitation '- .;_ ' 1 ,1::-. <br /> --- , - <br /> than normal. Two winter storms brought snow to the San Luis =' 'Valley. A total of 7.2 inches of snow fell at Alamosa which was E ° ": " '1 -fl �ti r- <br /> 2.9 inches above normal. As usual in the valley, with the snow _,_ { ^ A :" <br /> comes colder temperatures. The Alamosa weather station reported ' <br /> c -2 <br /> that in November there was nine days when the temperature <br /> -3- J <br /> dropped below zero and nine days that the temperature never }` <br /> climbed above the freezing mark. The average temperature for the -4 <br /> JANS3 JAN 4 JAN15 JAN!! JAW JANSS JANSS JAN90 JAN61 JAl/12 <br /> month was 22.1 decrees. The coldest reading during the month YEAWIONTH <br /> was -14 decrees on November 30. <br /> Outlook <br /> All of the reservoirs in the Rio Grande Basin went back <br /> into storage during November. With basin wide reservoir storage RIO GRANDE NR. DELNORTE <br /> YEAR <br /> below normal for this time year, the November snowfall in the F B1 WATER <br /> surrounding mountains was welcomed. Though much to early to 160 <br /> ,5p <br /> tell, it appears that we are off to a good start for water year 1993. 140 <br /> 120 <br /> 1 120 <br /> Administrative/Management Concerns ,r, „0 . <br /> Most of the streamflows around the valley gradually ,1 <br /> ,00 <br /> decreased throughout the month to near base flow levels. The P ao <br /> daily flows at the Rio Grande River near Del Norte dropped from `� 70 ��� <br /> 266 cfs on Nov. 1 to 160 cfs on Nov. 30. The average flow for <br /> the month at the Del Norte gage was 200 cfs. The daily flows at 4° <br /> the Conejos River near Mogote decreased from 134 cfs on Nov. <br /> 1 to 43 cfs on Nov. 30. The average flow for the month at the 10 <br /> Oct Nov Ow Jen FW Wren <br /> Mogote gage was 58 cfs. Due to cold temperatures and snow the MONTH <br /> G *ET c,..7) o °l%CW773 ♦ AVG % 11163 <br /> recharge decrees were not able to run their full decreed amounts. <br /> A large amount of resource time was committed to the preparation <br /> of abandonment proceedings during the month. Compact <br /> administration has proved to be a very difficult task this year due <br /> to early spring runoff caused by the large snowpack on the valley REPRESENTATIVE RESERVOIRS <br /> floor. Nearing the end of the 1992 calendar year, which is the 23 °"'IA <br /> accounting year for the Rio Grande Compact, it appears that the 24- <br /> Rio Grande will over-deliver it's portion of the obligation by 20- <br /> approximately 40,000 AF. It appears at this point that the Conejos 1 ,_ <br /> River will exceed it's portion of the obligation by approximately 16- <br /> 2,000 AF. .1 14- <br /> hg 17-.f <br /> PM 10 9 Public Use Impacts <br /> November typically marks the beginning of the snow- 3 r <br /> A <br /> skiing season. The cold snowy weather has provided excellent <br /> ,„.\•N <br /> skim conditions for both the downhill and cross-country °2- <br /> /am ` <br /> enthusiasts. <br /> Rio Grande Platr* Santalyrla <br /> ® Avg. 11/30 Contents ® 11/SNq content. <br /> 5 <br />