Muscat: The Sultanate had its coolest summer in 2020 and the same year also had the warmest winter since 2011. At the same time, 2020 was one of the wettest months since 2011.The mean maximum temperature in the Sultanate saw an increase between the years 2017 and 2019, only to drop substantially in 2020.The mean maximum temperatures were 32.3 °C in 2011,...