Table 2.

Meteorological variables of the reference days A, B, C, D, and E. Information prepared by the Agencia Estatal de Meteorología of Spain (data collected at the Valdespartera Station, Zaragoza Spain, 23 December 2020).

Day	${\mathit{T}}_{\mathit{a}\mathit{v}\mathit{e}\mathit{r}}$	${\mathit{T}}_{\mathit{m}\mathit{i}\mathit{n}}$	${\mathit{T}}_{\mathit{m}\mathit{a}\mathit{x}}$	${\mathit{D}}_{\mathit{w}}$	${\mathit{W}}_{\mathit{s},\mathit{a}\mathit{v}\mathit{e}\mathit{r}}$	${\mathit{W}}_{\mathit{s},\mathit{m}\mathit{a}\mathit{x}}$	${\mathit{P}}_{\mathit{m}\mathit{a}\mathit{x}}$	${\mathit{P}}_{\mathit{m}\mathit{i}\mathit{n}}$
A	9.6 °C	6.1 °C	13.1 °C	30°	3.1 m/s	8.9 m/s	996.8 atm	990.0 atm
B	8.2 °C	4.4 °C	11.9 °C	16°	1.7 m/s	6.1 m/s	996.8 atm	990.0 atm
C	5.4 °C	3.3 °C	7.4 °C	10°	1.9 m/s	5.0 m/s	998.2 atm	996.0 atm
D	7.9 °C	3.8 °C	12.0 °C	16°	1.9 m/s	5.6 m/s	994.7 atm	990.8 atm
E	8.9 °C	6.2 °C	11.6 °C	31°	4.7 m/s	11.1 m/s	994.9 atm	992.4 atm

$T_{aver}$: temperature (average); $T_{min}$: temperature (minimum); $T_{max}$: temperature (maximum); $D_W$: wind direction; $W_{s,aver}$: wind speed (average); $W_{s,max}$: wind speed (maximum); $P_{max}$: atmospheric pressure (maximum); and $P_{min}$: atmospheric pressure (minimum).