Isohyets

Isohyets

NSW Climatic Zones

http://www.dpi.nsw.gov.au/agriculture/field/pastures-and-rangelands/establishment/clover/part-f---choosing-the-right-sub-clover-v

As a subset of contour maps Isohyets are a line drawn on a weather map or chart which connects points that receive equal amounts of rainfall during a particular time period. A typical contour map displays points of an equal phenomenon using contour lines.