Table 2.

Selected features for XGBoost models.

Variable	Description
$T$	Air temperature at 2 m altitude, day $t$
$\overline{T}$	Air temperature at 2 m altitude, mean of days $t$–3, $t$–2, $t$–1
$S$	Net solar radiation at the surface, day $t$
$\overline{S}$	Net solar radiation at the surface, mean of days $t$–3, $t$–2, $t$–1
$P$	Total precipitation, day $t$
$\overline{P}$	Total precipitation, sum of days $t$–3, $t$–2, $t$–1
$v$	Wind speed, day $t$
$\varphi$	Wind direction, day $t$
$L$	Leaf area index of vegetation, day $t$
$Y$	Year of observation