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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />,I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br /> TABLE 1 <br /> WEATHER DATA FOR THE DENVER WB CITY <br /> JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANNUAL <br />Normal (1) <br />Temperature <br />(OF) 31.5 34.4 39.5 49.1 57.9 68.2 74.0 72.5 63.9 52.7 40.2 35.0 51.6 <br />Nonnal (1) <br />Precipitation .65 .73 1.20 2.28 2.82 1.42 1.33 1.32 1.03 1.12 .79 .45 15.14 <br />( inch) <br />Maximum (2) <br />Temperature 72 76 84 85 96 104 104 101 97 88 79 74 104 <br />(OF) (Jul ,1939) <br />Minimum (2) <br />Temperature -25 -30 -11 -2 22 30 43 41 20 3 -8 -18 -30 <br />(OF) (Feb ,1926) <br /> <br />TABLE 2 <br />FREEZE DAfA(3) <br /> <br />Freeze Threshold <br />Temperature <br /> <br />Mean Date of Last <br />Spring Occurance <br /> <br />Mean Date of Last <br />Fall Occurance <br /> <br />Mean No. of Days <br />Between Dates <br /> <br />320F <br />280F <br />240F <br />200F <br />160F <br /> <br />May 5 <br />April 25 <br />April 17 <br />April 1 <br />May 31 <br /> <br />Oct 12 <br />Oct 26 <br />Nov 1 <br />Nov 9 <br />Nov 16 <br /> <br />160 <br />184 <br />198 <br />222 <br />230 <br /> <br />(1) Climates of the States Vol. 2 Western States U.S. Department of Commerce <br />(Nonnals fo the period 1931-1960 Station Lakewood-No. 4762 <br /> <br />(2) Local Climatological Data Annual Summary with Comparative Data <br />1978, Denver, Colorado <br /> <br />(3) Climates of the States Vol. 2 Western States U.S. Department of Commerce <br />(10 years of record - Denver WB Stapleton A.P.-No. 2220) <br /> <br />4 <br />