How many gallons of water fall to the earth from clouds each day?

1000000000 (one billion) tons of rain fall to earth every minute. There are 1440 minutes in a day (60min x 24 hrs) There are 2000 pounds in a ton 1000000000 tons x 2000 pounds = 2000000000000 (2 trillion) pounds per min 2000000000000 pounds per min. x 1440 minutes in a day = 288000000000000 (288 trillion) pounds of water fall to earth every day 288000000000000 (288 trillion) pounds / 8 pounds in a gallon = 36000000000000 (36 trillion) gallons of rain fall to earth