Area Weather History for September 17-23.

Sep 17: On this day in 2000 Cheyenne reached a high of 91 degrees, which is the latest
               day in history that Cheyenne reached at least 90 degrees. Conversely, on this
               day in 1965, Cheyenne only reached a high of 31 degrees, the earliest day in
               fall that Cheyenne has remained below freezing. 
               Today is the average first freeze date in fall for Rawlins, Wyoming.  
Sep 18: The greatest daily precipitation amount ever recorded in Chadron, Nebraska
               occurred on this day in 1986 when 4.40 inches of rain flooded the area.
               Cheyenne recorded a 4.0 inch snowfall on this day in 1942.
Sep 19: An early season winter storm began across portions of east-central Wyoming
               and the northern Nebraska panhandle on this day in 1995. 1 to 4 inches of snow
               was recorded by the end of the day with the snow continuing into the 20th.   
Sep 20: The 1995 winter storm ended after producing 2 to 8 inches of snow. Some
               power outages occurred due to heavy snow breaking tree branches onto power

               Today is the average first freeze date in fall over parts of the northern Nebraska
               panhandle including Harrison.  
Sep 21: Two and a half inches of snow was recorded in Scottsbluff on this day in 1895.
Sep 22: The heaviest September snowstorm ever recorded in Cheyenne began on this
               day in 2000. Just 1.2 inches of snow had fallen by the end of the day, but much
               more was to come. Also on this day in 1979 Cheyenne was buffeted by strong
               winds, with a peak gust of 74 mph.   
Sep 23: The 2000 snowstorm dropped an additional 4.2 inches of snow on Cheyenne
               on this day while Scottsbluff received 2.7 inches of snow.

           Today has been the average first freeze date over the last 30 years in
           Wheatland and Alliance.

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