Below are charts displaying the Dickinson Temperature Classification, the Dickinson Aridity Index, the Dickinson Percipitation Seasonality Equation, along with charts for calculating aridity north of the Tropics, within the Tropics, and south of the Tropics.

Dickinson Temperature Classification

Formal temperature classification of climates

Dickinson Aridity Index (modified from UNEP aridity index)

Formal aridity classification of climates part one

Dickinson Percipitation Seasonality Equation

Formal aridity classification of climates part two

Aridity calculator for north of the Tropics

Formal aridity classification of climates part three

Aridity calculator for the Tropics

Formal aridity classification of climates part four

Aridity calculator for south of the Tropics