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RECEIVE® <br />JAN 19 2006 <br />Division of Minerals and Geology <br />EXHIBIT K <br />CLIMATE <br />[Courtesy of Natural Resouroes Conservation Service, U. S.D.A.] <br />In winter at Cortez [4 ~ Mites were of Hindmarsh ss <br />sitel the average temperature is 28.3 degrees F. <br />and the average daily minimum temperature is <br />14.7 degrees. The lowest temperature on record, <br />which occurred at Cortez on February 8, 1933 was <br />minus 3 degrees. In summer, at Cortez, the <br />average temperature is 68.3 degrees and the <br />average daily maximum temperature is 85.4 <br />degrees. The highest temperature, which occurred <br />at Cortez on July 13, 1971 was 101 degrees. <br />Growing degree days are shown in Table 1. They <br />are equivalent to "heat units." During the month, <br />growing degree days accumulate by the amount <br />that the average temperature each day exceeds a <br />base temperature (40 degrees F.). The normal <br />monthly accumulation is used to schedule single <br />or successive plantings of a crop between the last <br />freeze in spring and the first freeze in fall. <br />The total annual precipitation at Cortez is about <br />13.3 inches. Of this, about 4.4 inches, or 33 <br />percent, usually falls in June through September. <br />The growing season for most crops falls within <br />this period. The heaviest 1-day rainfall during the <br />period of record was 1.96 inches at Cortez on <br />September 22, 1941. Thunderstorms occur on <br />about 35 days each year, and most occur in July <br />and August. <br />The average seasonal snowfall at Cortez is 31.1 <br />inches. The greatest snow depth at any one time <br />during the period of record was 21 inches, <br />recorded on December Z1, 1967. On an average, <br />26 days per year have at least 1 inch of snow on <br />the found. The heaviest 1-day snowfall on record <br />was 14.0 inches recorded on December 19, 1951. <br />The average relative humidity in mid-afternoon is <br />about 36 percent. The sun shines 79 percent of <br />the time in summer and 62percent in the winter. <br />The [prevailing wind is from the west. Average <br />wins speed is highest 10 miles per hour, in April, <br />May and June. <br />TABLE 1 TEMPERATURE PRECIPITATION <br /> 2 years in 10 <br />will have .. <br />Avera e: <br /> Aver- <br />age <br />Daily <br />Max. Aver- <br />age <br />Daily <br />Minim. <br /> <br />Aver- <br />ra a Max. <br />Temp. <br />higher <br />than... Min. <br />Temp. <br />lower <br />than... Average # <br />of Growing <br />Deg.Days <br /> <br />Ave- <br />ra a <br /> <br />Less <br />than... <br /> <br />More <br />than... days <br />w/ <br />0.10 <br />Inch Snow- <br />fall <br />MONTH ° F ° F ° F ° F ° F Units Inches Inches Inches Days Inches <br />Janua 39.5 11.5 25.5 56 -15 1 0.90 0.36 1.42 3 7.3 <br />Februa 45.1 17.8 31.4 62 -9 12 0.91 0.40 1.46 3 5.9 <br />March 52.2 24.3 38.2 71 4 68 1.38 0.34 2.21 4 6.1 <br />A rii 61.7 30.2 45.9 78 15 206 087 0.27 1.36 2 1.1 <br />Ma 71.8 38.2 55.0 85 22 466 0.89 0.34 1.42 2 0.1 <br />June 82.7 46.4 64.5 96 31 731 0.45 0.10 0.86 1 0.0 <br />Jul 88.1 54.5 71.3 97 42 962 1.17 11.46 1.77 3 0.0 <br />Au ust 85.4 53.1 69.2 95 41 905 1.52 0.60 2.29 43 0.0 <br />Se tember 77.5 44.4 61.0 89 28 620 1.28 0.68 1.99 3 0.1 <br />October 66.3 33.7 50.0 81 17 317 1.52 0.50 2.46 3 0.2 <br />November 52.0 23.8 37.9 69 4 61 1.19 0.60 1.78 3 2.5 <br />December 41.5 14.7 28.1 58 -11 3 1.22 0.58 1.84 3 8.1 <br /> <br />Years <br />Avera a 63.6 32.7 48.2 --- --- 000 --- --- --- --- <br />6dreme 101 -27 --- 99 -18 --- --- --- --- --- <br />Total --- --- --- --- --- 4353 13.31 9.50 15.81 34 31.3 <br />1HS~30a8 <br />29 - <br />OMO1f7 Appl NINOMARSH SANDSTONE <br />