Description

The distribution for the two moisture aspects of Thornthwaite's climate classification system is portrayed: moisture regions shown as coloured areas representing six moist and three dry climates; and seasonal variation of effective moisture shown as linework indicating dry periods in moist climates and moist periods in dry climates. Climatic data for 1941 to 1970 used for both aspects. Companion sheet to Climatic Regions – Thornthwaite Classification – Thermal Efficiency Regions.