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., COLORADO BASIN <br /> Basinwide Conditions Assessment: <br /> The S W SI value of -2.5 indicates that for October the ! (� 1 H �j EAS <br /> I I 1 basin water supplies were below normal. The National Weather L LJ IE <br /> Service reports October precipitation at 66% of normal. Surface water Supply Index History <br /> Basinwide reservoir storage was 91% of normal on October 31. S; <br /> Flow at the gaging station, Colorado River near Dotsero,averaged _ 11- <br /> 914 cfs as compared to the 1961-1991 October average of 1310 " 3 iii, irii , <br /> - <br /> cfs. <br /> 1. <br /> Outlook i 0 II i k II <br /> miril,lir <br /> Below normal precipitation during October has decreased 1 - I <br /> the base flows of the area rivers slightly. But above normal - 2- <br /> o <br /> precipitation during the first part of November has provided a -3 F. <br /> good start on this year's snowpack and has renewed excitement ., <br /> that this year's snowpack may be normal or above. 3 2164 <br /> ' " 'ctUTWYEAR ' ` <br /> Administrative/Management Concerns <br /> Administration of water rights for all uses but power <br /> generation and storage have been completed for the season. The <br /> Cameo call near Grand Junction is over but the Shoshone call(1-7- COLORAJO 1 VP NEAP ROTUERO <br /> 1902) used to satisfy the Shoshone Hydroelectric Power Plant in <br /> Glenwood Canyon will remain on throughout the winter. Water <br /> commissioners are presantly gathering their records from the B0 #"�.,� <br /> irrigation season to process them into forms that will be provided m 1f7 �� <br /> as public records to show water diversions in the basin. F , �� •�+•' <br /> i 4C4PV$ '4::: :.�` is <br /> Public Use Impacts + ►fitikaa •*•�� •°'�� •, <br /> Since snowmaking has become very important to ski i 44,4 ::::::::::::::� ::::::•••••44. 0 <br /> areas, it has been necessary to provide creative means for "g >o ♦'•�►*P• *:i* •;+; :;,:;;::i;*•° <br /> • ♦••.••♦•O•+♦•*•i i•• •�♦•$i•♦••••'O♦41•.4 � <br /> supplyingthe water needed. Augmentationplans that are ! •••••••••••••••••••••••' •••••:•+:•:•••o•►♦moo <br /> g p F a+'❖�o..❖.❖.❖.•.� rr:•:***a: <br /> complicated and extensive have been implemented to provide a o44 AP44.*:•�•�•�•$$$$�•. <br /> water supply to the snow guns while maintainingminimum stream Isse:::+4.10.1.1.1.1 1�.r*❖.❖.:❖. .. <br /> flows. In most cases they involve stored water released to the 0 <br /> 1%1>E1 CMS AMU GL10633 193q <br /> stream to replace snowmaking diversions. Base flows in most <br /> streams usually reach their lowest levels in February or March. <br /> Representative Reservoirs <br /> Colorado River Basin <br /> 120 <br /> 100 — I <br /> *id0*i <br /> fill *i i•:44, 4•4:4 4 j <br /> :+4 W/ <br /> .......... <br /> A NM z.,.. x.:0 <br /> .......... <br /> ......,:r. <br /> ° <br /> Rem►emIM n Rued! finials cat <br /> Y.Avg. 10/31 Contents 010/31/92 Contents <br /> 7 <br />