precipitation global annual distribution mean pattern 1980 2004 8g ignore peril day gif month gpcc source figure
map precipitation annual average global world rain mean rainwater water harvesting per mm bar maps worldwide year color 1961 1990
global precipitation annual ocean rainfall slides distribution mean data over water gif hydrology os globally amounts continents neglects falls land
world precipitation map annual average maps imgur resources type
precipitation distribution annual oceans vary totals globally
precipitation composite retrievals gpcp
precipitation water average world cycle map annual rainfall usgs year inches school continental receives enough states united science
rainfall map world climate annual global precipitation average regions maps weather charts warming rain distribution region yearly showing around geology