... downwind.Either these particles and gases slowly settle to the ground in dry form (dry deposition) or they are re-moved from the air during the formation of cloud particles and then carried to the ... period, the earthbegan to cool slightly over the next 25 years or so. In the late 1 960 s and 1970s, the cooling trend ended over mostof the Northern Hemisphere. During the 1970s and into the 1980s, ... Waialeale on the island of Kauai, Hawaii, has the greatest annual average rainfall on record:1 168 cm ( 460 in.). Cherrapunji, on the crest of the southern slopes of the KhasiHills in northeastern...