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, <br /> YAMPA/WHITE BASIN <br /> Basinwide Conditions Assessment: <br /> While the SWSI value of-2.3 indicates that for May YAMPA-WHITE RIVER BASINS <br /> the basin water supplies were well below normal, supplies s Surf"'Water Supply Index History <br /> actually appear adequate. Flow at the gaging station Yampa 4 <br /> River at Steamboat averaged 869 cfs as compared to the 1961- _ <br /> 1993 May average of 1,600 cfs. The National Weather Service 3 f <br /> computes basin precipitation as 282% of normal during the 2-:1:: : r <br /> month. The Natural Resources Conservation Service reports ' <br /> June 1 snowpack as 230% of normal. VI. - `� �-,� j <br /> The cool wet weather that began April 9 continued • <br /> `-' , ' •�1 f ,,- <br /> through May. There were eleven days and only one period of 2 r ;- ; ; '' r <br /> two consecutive days in May without measurable ° ;h- <br /> precipitation. Steamboat Springs received a total 5.66 inches -3- t i ; - ' f V <br /> of precipitation during the month which is 283% of average, JANB6 JAMB] JAN°B JANe9 JAN90 JAN91 JAN92 JAN93 JAN94 JAN95 <br /> and the most recorded in May during the past 43 years. MONTH/YEAR <br /> Because the ground has reached its saturation point, it can <br /> absorb only a small portion of runoff or rain storms. Stream <br /> flows have begun to increase, although basin administrators <br /> are not expecting the peak runoff until the later half of June. <br /> YAMPA RIVER AT STEAMBOAT <br /> Outlook s°° FLOW BY WATER YEAR <br /> The forecast for the area calls for the continuation of <br /> cool, wet weather. Present projections indicate an above SOO <br /> normal runoff with actual amounts dependent on precipitation <br /> and temperature patterns. Streams could reach flood stage if 2 n 400 <br /> there is rapid warming coupled with a large storm. There is ;a <br /> os n 300 <br /> still a lot of high elevation snowpack. W' <br /> W <br /> 7 <br /> 200 <br /> Administrative/Management Concerns I <br /> u <br /> The only demands for water in the basin during May ,°° ,— ' .-� <br /> were in the North Platte drainage. Stream flows should be <br /> sufficient to meet user demands through June. The area has jai <br /> Oct Nov Dec Jan Feb March Apr 11 IAAy Juno July Alp SAPS <br /> experienced some isolated flooding. MONTH <br /> p WET C1984) o DRY(1977) p AVG 0 1995 <br /> Public Use Impacts <br /> There is plentiful water for rafting and kayaking in <br /> most rivers for the next few weeks. <br /> 8 <br />