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State Reg. <br />.- Climatological Data"; Annual Summary with Comparative Data, 1978; <br />Grand Junction,.Colorado,i~ presented below. Though Grand Junction has -~ <br />a significantly warmer climate than the Seneca II Mine area, the monthly <br />temperature range :inferred from the normal daily maximums and <br />minimums may be of some use. <br />Grand Junction Normal Monthly Temperature, <br />Daily Maximum, Daily Minimum, and Inferred <br />Average Temperature Range (°F.) <br /> <br /> Normal Daily Daily Inferred <br />Month Temp. Max. Min. Range <br />January 26.6 36.7 16.5 20.2 <br />February 33.6 44.0 23.2 20.8 <br />March 41.2 52.8 29.6 23.2 <br />Apr i I 51.7 64.6 38.8 25.8 <br />May 62.2 75.8 48.5 27.3 <br />June 71.3 85.9 56.6 29.3 <br />July 78.7 93.1 64.2 28.9 <br />August 75.4 89.1 61.6 27.5 <br />September 67.2 81.3 53.0 28.3 <br />October 54.9 67.9 41.9 26.0 <br />November 39.8 50.9 28.6 22.3 <br />December 29.5 39.4 19.6 19.8 <br />Annual 52.7 65.1 40.2 25.0 <br />As noted earlier, only four years of meteorological data has been <br />collected at the Seneca II Mine and this is from two sites. Therefore, <br />data on wind speeds and wind directions are not available on a climatic <br />time scale. The same is true for the station at Hayden. No wind data is <br />reported by the National Climatic Center for the Hayden station. The <br />nearest station for which the National Climatic Center does report ,~ <br />surface winds cannot be relied upon to provide a reasonable indication of <br />8-4 <br />