During the summer, the state is prone to gale-force winds, storm surges, cyclone-related torrential downpours, occasional droughts, and rises in sea level.[39]: 26, 46, 52 The mean daily temperature ranges from 19.8 °C to 36.7 °C.[40] Mean annual temperatures range from 25.0 to 27.5 °C in the coastal lowlands to 20.0–22.5 °C in the eastern highlands.[39]: 65