Suggested citation:

Dickinson, C. (2026). The Dickinson Climate Classification: A Taxonomic Thermal–Hydrological Partition of Climate State Space [Preprint]. Zenodo. https://doi.org/10.5281/zenodo.18857604


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Supplemental Figure: Dickinson Temperature Classification


Formal temperature classification of climates

Supplemental Figure: Dickinson Aridity Index (modified from UNEP aridity index)


Formal aridity classification of climates part one

Supplemental Figure: Precise Aridity Data of Selected Cities within the Astronomical Tropics in the 1981-2010 Normals

x-axis: % of precipitation during the 6 consecutive rainiest months

y-axis: precipitation divided by potential evapotranspiration

50% 60% 70% 80% 90% 100%

Supplemental Figure: Precise Aridity Data of Selected Extratropical Cities in the 1981-2010 Normals

x-axis: % of precipitation during the 6 months of highest insolation

y-axis: precipitation divided by potential evapotranspiration

0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%

Supplemental Figure: Hottest and Coldest Month Means of Selected Cities in the 1981-2010 Normals (unless otherwise noted)

x-axis: average temperature of hottest month in Celsius

y-axis: average temperature of coldest month in Celsius