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2006 Ted Franciscotti <br />Gravel Pit #1 <br />Section N <br />Climate & Elevation <br />Climatic Features <br />The climate is semi-arid with annual precipitation averaging 12-16 inches with 60-70% <br />of the precipitation falling between March and September, mostly snow in March, Aprii <br />and May. <br />The optimum growing season for native plants is early spring and summer. The frost- <br />freeperiod ranges from 120-150 days. Plant Crrowth can begin anytime from Mazch 15 <br />to May 1. First frost can occur as early as September 15. Temperatures range from the <br />upper 90's to 20+ below zero. <br />The area commonly has high intensity thunderstom~s typically from June thru August. <br />Average wind speeds are 3.9-6.9 miles per hour and the most intense wind period is in <br />the spring months. <br />