model validation South America 10 seasonal variation 8 Argentina 6 Precipitation 6 climate modeling 6 trend analysis 6 Atlantic Ocean 4 Brazil 4 Buenos Aires [Argentina] 4 Climatology 4 Daily precipitations 4 Earth atmosphere 4 Gridding 4 Precipitation (chemical) 4 Precipitation extremes 4 Regional climate modeling (RCM) 4 Sea surface temperature 4 Seasonal precipitations 4 Southeastern Brazil 4 Southeastern South America 4 Uruguay 4 algorithm 4 computer simulation 4 data set 4 extreme event 4 historical perspective 4 observational method 4 precipitation (climatology) 4 precipitation intensity 4