Table 1 List, sources, timespan and units of climatic variables.

From: HISTORECO: Historical Spanish transition database on climate, geography and economics of the 20th-21st century

Variables

Name in the dataset

Data source

Timespan

Frequency

Units

Total precipitation

pp

CRU TS. Version 4.05

1900–2020 (1950–2021)

Decadal (& Yearly)

Decadal mean of total annual precipitation (mm)

Mean temperature

t_average

CRU TS. Version 4.05

1900–2020 (1950–2021)

Decadal (& Yearly)

Decadal mean of mean annual temperature (C°)

SPEI

spei

IPE – CSIC

1900–2020 (1950–2021)

Decadal (& Yearly)

Decadal mean annual mean SPEI drought index (mm)

Precipitation in vegetation growth period

grow_period_pp

CRU TS. Version 4.05

1900–2020 (1950–2021)

Decadal (& Yearly)

Decadal mean of the accumulated precipitation in the months from April to October, both included (mm)

Frost days

frost_days

CRU TS. Version 4.05

1900–2020 (1950–2021)

Decadal (& Yearly)

Decadal mean of number of days per year with a minimum temperature < 0 °C

Dummies of Köppen’s climate classification

dry_hot_climate

dry_cold_climate

oceanic

mediterranean

mediterranean_fresh_summer

humid_hot

continental_fresh_summer

continental_boreal

IGN

1900 - 2020

Decadal

0 – 1: Dummy variable that takes the value 1 if the municipality has a specific climate type, and 0 otherwise