Map of central California coast fog and low clouds July

Map of central California coast showing the average amount of fog and low clouds present during the month of July over a period of 10 years. Areas of darkest blue over the ocean were covered by an average of 17 hours per day of fog and low clouds. Inland areas in darkest red were fogged in or covered by low clouds two hours or less per day, and the narrow band of yellow along the coast was blanketed by fog and low clouds an average of nine hours per day during most Julys.