Precipitation - Country rankings:
The average for 2014 was 1155 mm per year.The highest value was in Colombia: 3240 mm per year and the lowest value was in Egypt: 51 mm per year. Below is a chart for all countries where data are available for: Precipitation.
Precipitation, mm per year, 2014
(mm per year, Source: FAO, TheGlobalEconomy.com)