Clouds are of the high cirriform type with ceilings generally above 20,000 feet, the visibility is normally greater than 50 miles. Flying weather is generally excellent throughout the year except for gusty afternoon and evening surface winds. Visual flying conditions with unlimited ceilings and unrestricted visibility normally occur 25 days per month. Strong surface winds occur in late winter and spring as cold fronts move rapidly through the area. Strong surface winds with a prevailing speed of 15 knots or greater can be expected 15 days a year and strong gusts of 40 knots or greater can be expected 10 days a year.
Summer is characterized by very warm, dry days with cool nights.
Afternoon temperatures rise to 100 F or higher about 66 days a year and drop into the 60s at night. The wind is generally light and variable, but with afternoon heating, a south-southwest wind begins to blow at 10 to 20 knots and lasts into the evening hours. Fair weather dominates the summer months with most precipitation from thunderstorms occurring during August and September. Winters are cool with nighttime temperatures dropping to 32 F or less about 77 days a year then warming into the 50s during the day. Precipitation is at its maximum from November through March with normal monthly rainfall averaging 0.5 inch or more.