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<br /> <br />. . <br />;0::-....,. <br />, ,- <br /> <br />L..-:"'-'-.~ <br /> <br />'"'- <br /> <br /> <br />~..."-'~ <br /> <br />. ...1 <br /> <br /> <br />CLIMA TE <br /> <br />The climate of the Big Blue Basin is characterized as a sub-humid continental type <br />having extremes of high and low temperatures. It, is typical of the interior of large continents <br />in middle latitudes and is comprised of light rainfall, hot summers, cold winters and great <br />variations in both temperature and precipitation from year to year and day to day, <br />Precipitation occurs mainly in the form of rain but some heavy snowfalls have been recorded. <br /> <br />Severe weather is not unknown to the basin and damaging hailstorms occur in local <br />areas nearly every year. Tornadoes cause less frequent but significant damages. <br /> <br />The average wind speed is about 12 miles per hour with winds in the western part <br />tending to be somewhat higher in velocity than those in the eastern part. March and April <br />normally are the windiest months. Prevailing winds are from the south during the spring and <br />summer and mostly north to northwest in the late fall and winter. <br /> <br />Temperature <br /> <br />The normal annual temperature over the basin is about 52 degrees F. The lowest <br />temperature recorded in the, basin was -33 degrees F. and the highest was 117 degrees F. <br />(10) Temperatures above 100 degrees F. have occurred in the months of April through <br />September. <br /> <br />The growing season ranges from 170-200 days with the latest frost date in the spring <br />occurring about April 20 and earliest fall frost about October 20. (6) <br /> <br />14 <br />