Moisture Index-Based Climate Classification

Per Humid (More Humid) – MI: 100 and above
Humid – MI: 20 to 100
Moist Sub-Humid – MI: 0 to 20
Dry Sub-Humid – MI: -33.3 to 0
Semi Arid – MI: -66.7 to -33.3

Arid – MI: -100 to -66.7