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(13) Climate <br />The closest weather station to the CM -25 Mine is located in Uravan, Colorado, <br />approximately one mile from the portal. However, because of a seven hundred foot <br />increase in elevation from Uravan to the mine site, one could expect the following <br />differences from the weather table: <br />• Lower average maximum temperature <br />• Slightly higher average minimum temperature <br />• Greater total precipitation <br />• Slightly higher total snowfall <br />• Slightly higher average snow depth <br />Below is the weather information for the Uravan weather station from the Western <br />Regional Climate Center Historical Climate Information. <br />Table 4: Uravan Climate Summary <br />URAVAN, COLORADO (058560) <br />Period of Record Monthly Climate Summary <br />Period of Record : 11/17/1960 to 11/30/2011 <br />Jan Feb Mar Apr May Jun Jul Aug <br />Average Max. <br />Temperature (F) <br />Average Min. <br />Temperature (F) <br />Average Total <br />Precipitation (in.) <br />Average Total Snow <br />Fall (in.) <br />Average Snow Depth 1 <br />(in.) <br />Percent of possible observations for period of record. <br />Max. Temp.: 97.7% Min. Temp.: 98.2% Precipitation: 99.5% Snowfall: 86.4% Snow Depth: 82.3% <br />42.6 49.8 58.8 67.5 78.4 89.4 95.6 92.4 <br />Sep Oct Nov Dec Annual <br />83.8 71.4 55.2 43.3 69.0 <br />15.4 22.3 29.2 35.6 44.5 52.4 59.6 58.3 48.5 37.0 26.6 17.9 37.3 <br />0.86 0.77 1.02 1.00 0.94 0.49 1.18 1.36 1.47 1.47 1.00 0.99 12.57 <br />3.8 1.3 0.5 0.2 0.0 0.0 0.0 0.0 0.0 0.2 0.8 4.2 11.1 <br />0 0 0 0 0 0 0 0 0 0 0 0 <br />O'Connor Design Group Inc. <br />T -17 <br />