Table 5 Codes, descriptions, and units for the 19 WorldClim bioclimatic variables, from v1.4³⁰ and v2.0³¹.

BIO01

Annual Mean Temp.

0.1 °C

°C

BIO02

Mean Diurnal Range

0.1 °C

°C

BIO03

Isothermality

Percent

Percent

BIO04

Temp. Seasonality

0.001 °C

0.01 °C

BIO05

Max. Temp. Warmest Month

0.1 °C

°C

BIO06

Min. Temp. Coldest Month

0.1 °C

°C

BIO07

Annual Temp. Range

0.1 °C

°C

BIO08

Mean Temp. Wettest Quarter

0.1 °C

°C

BIO09

Mean Temp. Driest Quarter

0.1 °C

°C

BIO10

Mean Temp. Warmest Quarter

0.1 °C

°C

BIO11

Mean Temp. Coldest Quarter

0.1 °C

°C

BIO12

Annual Precip.

mm

mm

BIO13

Precip. Wettest Month

mm

mm

BIO14

Precip. Driest Month

mm

mm

BIO15

Precip. Seasonality

Percent

Percent

BIO16

Precip. Wettest Quarter

mm

mm

BIO17

Precip. Driest Quarter

mm

mm

BIO18

Precip. Warmest Quarter

mm

mm

BIO19

Precip. Coldest Quarter

mm

mm