Louisiana experiences semitropical climate with increase in daily temperature variations with distance from the Gulf of Mexico. The normal daily temperature in New Orleans is 68°F (20°C), ranging from 52°F (11°C) in January to 82°F (28°C) in July. New Orleans receives sunshine 60% of the time. The average annual rainfall (1971–2000) was 64.2 in (163 cm). The northern region receives occasional rainfall but the south rarely does. Prevailing winds are from the south or southeast. Tropical storms and hurricanes are common during summer and fall. Tropical Storm Allison in June 2001 caused severe flooding in coastal regions. Among the most severe hurricanes in recent decades were Audrey, which entered Cameron Parish on 28 June 1957, causing 400–500 deaths and property damage worth $150 million. The latest devastation was caused by Andrew on 25 August 1992.