Laserfiche WebLink
RIO GRANDE BASIN January, 1998 <br /> Basinwide Conditions Assessment: <br /> The SWSI value of-0.9 indicates that for December RIO GRANDE BASIN <br /> Le basin water supplies were near normal. The Natural Ind.Surface,Water Supply Intl History <br /> 1 <br /> Resources Conservation Service reports January 1 snowpack 4_ <br /> as 88% of normal. Flow at the gaging station Rio Grande _ - y . <br /> near Del Norte averaged 293 cfs, as compared to the long 3 1 ='a- ....�- <br /> --. <br /> term average of 188 cfs. The Conejos River near Mogote had 2 • -- = <br /> a mean flow of 58 cfs. Storage in Platoro, Rio Grande, and 1- ' r <br /> Santa Maria reservoirs totaled 94%of normal as of the end of 1 0- ,-_,-v„Q C-ti ��- <br /> f w,a/��U . ^✓\ 1 <br /> December. - .4 - <br /> Alamosa received 0.19 inches of precipitation during ,_ ,, <br /> December, 0.25 inches below normal. The high temperature o <br /> was 34° in Alamosa, the low-23°, and the average 8.6°, 8.9° -3- <br /> below normal. -4 , .1 r............ m . <br /> JAN99 JAN60 JAN91 JAN92 JAN93 JAN94 JAN95 JAN96 JAN97 JAN96 <br /> For the calendar year 1997,Alamosa had near average YEAR,woNTN , <br /> precipitation of 7.71 inches, but temperatures were slightly <br /> colder than average. <br /> Outlook <br /> Stream flow in the basin should remain slightly above RIO GRANDE NR. DELNORTE <br /> average for the next few months. Very cold temperatures in 150 FLOW av WATER YEAR <br /> the San Luis Valley will continue as long as the snow and ice 140 <br /> cover remain on the valley floor. 130 <br /> 120 <br /> „D <br /> Administrative/Management Concerns i„ ,00 <br /> Colorado will come very close to meeting its Rio I; 90 <br /> Grande Compact delivery obligation to New Mexico and Texas g �° f, <br /> or 1997. Nearly 950,000 acre-feet was indexed at the Rio s V '° f� �•, <br /> srande near Del Norte gaging station. Stream flow in an �° �• <br /> average year totals 655,000 acre-feet. Indexed flow on the4.-—--—————4——-——--- /- a- --"----- ---- <br /> Conejos River near Mogote totaled 281,000 acre-feet, 3D - <br /> compared to an average of 241,000 acre-feet in an average 20 <br /> Oct Nov Doc Jan Fob <br /> year. A10NTM <br /> WET ciYThe required delivery of the index flow was 0 <br /> °"' ' °R `'9"' AAYG x 1l9s <br /> approximately 567,000 acre-feet. A preliminary estimate of <br /> the amount delivered to the state line is 557,000 acre-feet. <br /> Paper credit and other required adjustments could'make up <br /> the difference. REPRESENTATIVE RESERVOIRS <br /> ..I <br /> Closed Basin Project delivery to the Rio Grande totaled 29 R10 ERAwe BASIN <br /> almost 35,500 acre-feet. All Project canal deliveries met water 26- <br /> 24 - <br /> quality standards. <br /> 22- <br /> Z 20- <br /> Public Use Impacts - r <br /> Normal winter time activities prevail in the upper Rio ' ,5- <br /> Grande basin. 2 12 ` <br /> a 10 <br /> li <br /> 4 <br /> ., <br /> Rlo Grarwa Platoro 5antabarla <br /> ® Avg. 12/31 Gemarto ® 12/31/97 Content. <br /> 5 <br />