Laserfiche WebLink
• <br /> RIO GRANDE BASIN <br /> Basinwide Conditions Assessment: <br /> The SWSI value of+2.3 indicates that for September the RIO GRANDE BASIN <br /> basin water supplies were above normal. Storage in Platoro, Rio 5 Surface Water Supply Index History <br /> Grande, and Santa Maria reservoirs totaled 215% of normal on <br /> September 30. Flow at the gaging station Rio Grande near Del • 3 <br /> Norte averaged 626 cfs,as compared to the 1961-1991 September <br /> average of 489 cfs. The Conejos near Mogote had a mean r <br /> monthly flow of 251 cfs. The National Weather Service reports r ; <br /> September precipitation as 66% of normal. September was a <br /> fairly uneventful month in the San Luis valley. The most rainfall <br /> that was received in Alamosa for one day was 0.31 inch on <br /> • _2 <br /> - / <br /> September 7. The average high temperature for Alamosa was 72°, <br /> while the average low was 35°. -3 <br /> -4 I.....................I ....... <br /> JAN94 JANBS JANB6 JAN97 JANBB JAMBS JAN90 JAN91 JAN92 JAN93 <br /> Outlook TEAR/MONTH <br /> Heavy rains during the latter part of August sent a large <br /> volume of water down the rivers. This runoff slowly decreased in <br /> the early part of September and the river flows at the end of the <br /> month were close to normal for this time of year. <br /> RIO GRANDE NR. DELNORTE <br /> FLOW BY WATER YEAR <br /> Administrative/Management Concerns <br /> 1.1 <br /> Many ditches and canals have decreased their diversions <br /> substantially now that the growing season is coming to a close. ..9 <br /> The irrigation diversions that we have now are expected to 0 B <br /> decrease and stop altogether at the end of October. • D 7 <br /> so D B <br /> J <br /> Public Use Impacts 0 S <br /> The rivers of the valley continue their descent into base 0 4 <br /> flow levels for the winter. Now that the fall harvest is coming to 0-3 <br /> a close diversions out of the rivers and steams are also decreasing. 0-2 <br /> In the near future, ice will cover the water allowing ice fishermen 0.1 <br /> access to the lakes and streams. 0 <br /> Oct Nov 0•c Jan Fob wrch Aprll Hay Jwe July AW Seot <br /> p WET(1137) o ONY[1977) D AVG x 1993 <br /> REPRESENTATIVE RESERVOIRS <br /> RIO GRANDE BASIN <br /> 45 <br /> 40- <br /> 35- <br /> N <br /> 30- <br /> • <br /> as? <br /> hi■a n- <br /> h g 20- <br /> •• <br /> 1 15- <br /> 10 <br /> D <br /> Rlo Granw Platoro Sant..l■ <br /> ® AVq. I1/30 Contents ® N30/s3 Contents <br /> 5 <br />