Climograph

http://www2.volstate.edu/kbell/climographs.htm

This is a climograph for Manaus, Brasil during a one year period.  A climograph basically represents climatic parameters through geographical visualization.  In this image, precipitation (inches) and temperature (Fahrenheit) are shown in comparison to one another.  August and September have some of the lowest temperatures along with the most precipitation during the year.  This type of map is useful as a quick, simplified look at climatology of a region or area.  The information presented is not very specific but enough so to get a general feel of a region.