Bioclimatic variables

Range of values that Drosophila species are able to stand. For each variable, the 5% most extreme values have been excluded in order to account for possible errors that may be present in the original data set.

Code

Variable

   Range

BIO1

Annual Mean Temperature

   0.6 – 26.8 ºC

BIO2

Mean Diurnal Range (Mean of monthly (max temp - min temp))

   6.2 – 16.8 ºC

BIO3

Isothermality (BIO2/BIO7) (* 100)

   2.2 – 8.3 ºC

BIO4

Temperature Seasonality (standard deviation *100)

   0.4 – 11.1 ºC

BIO5

Max Temperature of Warmest Month

  15.8 – 38.4 ºC

BIO6

Min Temperature of Coldest Month

  19.1 – 20.7 ºC

BIO7

Temperature Annual Range (BIO5-BIO6)

  10.9 – 44.0 ºC

BIO8

Mean Temperature of Wettest Quarter

   0.4 – 28.3 ºC

BIO9

Mean Temperature of Driest Quarter

  -9.7 – 27.1 ºC

BIO10

Mean Temperature of Warmest Quarter

   9.9 – 30.4 ºC

BIO11

Mean Temperature of Coldest Quarter

 -12.1 – 25.5 ºC

BIO12

Annual Precipitation

  16.5 – 35.8 mm

BIO13

Precipitation of Wettest Month

   3.0 – 44.9 mm

BIO14

Precipitation of Driest Month

   0.0 – 10.9 mm

BIO15

Precipitation Seasonality (Coefficient of Variation)

   1.0 – 11.5 mm

BIO16

Precipitation of Wettest Quarter

   7.6 – 119.8 mm

BIO17

Precipitation of Driest Quarter

   0.2 – 36.3 mm

BIO18

Precipitation of Warmest Quarter

   0.8 – 86.4 mm

BIO19

Precipitation of Coldest Quarter

   1.2 – 76.9 mm