Generally a fair weather prevails. It is characterized by clear skies, high pressure, low humidity and rain-less days. However, this fine weather is occasionally disturbed by the cyclonic depressions visiting from the Mediterranean Sea. They bring rain in areas of Jammu & Kashmir, Punjab, Himachal Pradesh, Haryana, Rajasthan and . Sometimes, they invade up to West Bengal. The amount of rainfall decreases towards the east. They also cause snowfall in North-Western Himalayan regions such as Jammu & Kashmir, Himachal Pradesh and Uttar Pradesh. As these west-winds come from the west, they are popularly known as ‘Western Disturbances’. The precipitation offered by these winds, is of great importance for Rabi Crops, especially wheat. The average precipitation varies from 20 mm. to 50 mm.