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• Seasonal average wind speeds are presented in Figures 2.1-12, 2.1-13 and <br />2.1-14. Winter months have [he lowest average wind speeds. The spring has <br />the maximum average wind speeds with a secondary minimum during the summer and <br />a secondary maximum occurring in the Fall (Stearns-Roger, 1975). There is a <br />discernable rapid decrease in the average wind speeds beginning in July <br />(Stearns-Roger, 1976). <br />Wind speeds reaching the levels expressed in Table 2.1-11 (Maximum Wind Speed <br />Range 35 [0 45 MPH) are primarily associated with the passage of a weather <br />front through the Craig area. Winds over 50 MPH (43.5 knots) are uncommon. <br />However, gusts such as those experienced on July 19, 1977, when surface winds <br />reached 53.8 MPH (46.8 knots) and winds 75.2 MPH (65.4 knots) a[ 200 fee[ <br />above ground level, are possible although unlikely. <br /> <br />• <br />2-38 <br />