The rain in U.P. can vary from an annual average of 170 cm in hilly areas to 84 cm in Western U.P.<ref name="Board2008"/> Given the concentration of most of this rainfall in the four months of the monsoon, excess rain can lead to floods and shortage to droughts. As such, these two phenomena, floods and droughts, commonly recur in the state. The climate of the Vindhya Range and [[plateau]] is subtropical with a mean annual rainfall between 1000 and 1200 mm, most of which comes during the monsoon.<ref name=Climate/> Typical summer months are from March to June, with maximum temperatures ranging from {{convert|30|to|38|C|F}}. There is low relative humidity of around 20% and dust-laden winds blow throughout the season. In summers, hot winds called ''[[loo (wind)|loo]]'' blow all across Uttar Pradesh.<ref name="Board2008"/>
