Table 1.

List of predictor variables.

	Daily input data		Hourly input data
$X_i^{\mathit{airt}}$	Air Temperature	$X_i^{\mathit{airt}}$	Air Temperature
$X_i^{\mathit{ag}}$	The satellite’s azimuth angle	$X_i^{\mathit{ag}}$	The satellite’s azimuth angle
$X_i^{\mathit{rh}}$	Relative humidity	$X_i^{\mathit{rh}}$	Relative humidity
$X_i^{\mathit{rh}\_\mathit{std}}$	Standard deviation of relative humidity	$X_i^{\mathit{rh}\_\mathit{std}}$	Standard deviation of relative humidity
$X_i^{\mathit{wspd}}$	Wind speed	$X_i^{\mathit{wspd}}$	Wind speed
$X_i^{\mathit{ws}\_\mathit{std}}$	Standard deviation of wind speed	$X_i^{\mathit{ws}\_\mathit{std}}$	Standard deviation of wind speed
$X_i^{\mathit{wd}}$	Wind direction	$X_i^{\mathit{wd}}$	Wind direction
$X_i^{\mathit{nlwrs}}$	Net longwave radiation flux