Read the following statements about the climate of Madhya Pradesh and select the correct answer using the codes given below: 1. The maximum rainfall in the state is received from the southwest monsoon. 2. During the pre-monsoon period, wind speed is higher than in winter and summer. 3. During the monsoon season, the state is also affected by moist air coming from the sea. 4. The average summer temperature at Pachmarhi is related to its elevation above sea level.