November has a normal maximum temperature of 69.9 degrees and an average minimum of 53.9 degrees which shows the greatest mean range of any month. It also shows a noticeable cooling trend and the mean temperature of 62.0 degrees is 5.7 degrees lower than for October. Since hot, dry easterly winds decrease during the month, maximum temperatures of 90 degrees or higher have occurred less frequently than in September and October. As a rule, temperatures seldom have gone above 80 degrees or below 40 degrees, although 97 degrees was recorded in 1977 and 1976 and 36 degrees in 1919.
Precipitation increases with the monthly average becoming 1.45 inches and the number of days with a measurable amount is 5. Regardless of the fact that there have been several Novembers with no rainfall, the rainy season May be said to begin during the month as amounts in excess of 2 inches have been recorded on several occasions. The greatest monthly total was 5.82 inches in 1965.
High winds have been infrequent but an unusually severe storm in 1944 produced a maximum of 51 mph at the National Weather Service.
More sunshine can be expected in November than any other month. Total possible sunshine is 74 percent. Clear days average 15, partly cloudy 7 and cloudy 8 with 4 days of heavy fog. The relative humidity averages 72 percent in the early morning, 57 percent near noon and 61 percent in the late afternoon.
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