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MW'MC FACiLiTiES PLAN <br /> <br />The average relative hurvddity in midaffemoon is about 60 percent. Humidity is higher at <br />night, and the average at dawn is about 90 percent. The percentage of possible sunshine is <br />60 percent in summer and 25 percent in winter. The prevailing wind is from the west- <br />northwest. Average windspeed is highest, 8 miles per hour, in winter. In most winters one <br />or two storms over the whole area bring strong and somet;anes damaging winds, and in <br />some years the accompanying heavy rains cause serious flooding. Every few years, in <br />winter or stmuner, a large continental amass from the east causes abnormal temperatures. <br />During winter, several consecutive days are well below freezing; in summer a week or <br />longer is sweltering. Tables 2.2.1-1 and 2.2.1-2 summarize these data. <br /> <br /> TABLE 2.2.1-1 <br /> Average weather in Eugene, Oregon <br /> MWMC Facilities Plan, Eugene-Springfield <br /> <br /> Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec <br /> <br /> Average temp. <br /> (OF) 39.8 42.8 46.3 49.8 54 8 60.2 66.2 66.4 61,7 52.6 44.7 39.5 <br /> <br /> High temperature <br /> (°F) 45.0 48.4 50.1 55.2 59.7 64.7 69.9 69.3 66.6 56.8 50.3 44.9 <br /> <br /> Low temperature 31.2 35.5 41.3 44.7 50.9 55.8 62.1 62.2 57.4 47.9 37.2 32.6 <br /> (°F) <br /> <br /> Precipitation (in) 7.65 6.35 5.80 3.66 2.66 1.53 0.64 0.99 1.54 3.35 8.44 8.29 <br /> Days with precip. 17.1 15.8 17.3 14.2 10.8 7.4 3.2 4.1 5.9 10.9 17.7 17.3 <br /> <br /> Source: National Climatic Data Center, Asheville, North Carolina 28801, www.ncdc noaa.gov <br /> <br /> TABLE 2.2.1-2 <br /> Normal chmate around Eugene, Oregon <br /> MWMC Facilities Plan, Eugene-Springfield <br /> <br /> Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec <br /> <br /> Wind speed 7.8 7.8 8.2 7.7 7.4 7.6 8.0 7.6 7.4 6.7 7.4 7,6 <br /> (mph) <br /> <br /> Morning humidity 92 92 91 90 91 90 87 88 89 93 93 92 <br /> (%) <br /> Afternoon <br /> 80 72 65 58 55 50 39 39 43 62 78 84 <br /> humidity (%) <br /> <br /> Sunshine (%) 28 38 48 52 57 56 69 66 62 44 28 23 <br /> <br /> Days clear of <br /> 2 3 3 4 6 8 16 14 12 5 2 1 <br /> clouds <br /> <br /> Padly cloudy 4 4 6 7 9 8 8 9 8 9 6 4 <br /> days <br /> <br /> Cloudy days 25 21 22 19 17 14 7 8 9 17 23 26 <br /> Snowfall (in) 1.5 1.4 0.1 O.0 0.0 0.0 0.0 0.0 0.0 0.0 0.2 1.8 <br /> <br /> Source; http://www.citv-data.cem/city/Euqene-Oregon.htm_l <br /> <br /> 2-2 MWtCIC_2.0_REVZ3.DOC <br /> <br /> <br />