That would be the 48 hour rainfall of cherrapunji, India. It is considered the wettest place in the world and as such experiences heavy rains more frequently than anywhere else in the world. this constant wetness is as a result of an almost uninterrupted flow of moisture from the bay of Bengal. Cherrapunji boasts of the 48 hour world record of 98.15 inches of rainfall which occurred on the 15-16 of June 1995. And also the one year world record of 86 ft, 10inches