Table 4. Validation of ERA5-Land air... | Emerald Publishing

Table 4.

Validation of ERA5-Land air temperature and global horizontal irradiance against station measurements

Variable	Regime	Heatwave	r	NMBE (%)	NRMSE (%)	MAE (ºC)
Air temperature	Pre-heatwave	1S	0.938	0.10	10.65	2.26
	Pre-heatwave	2S	0.935	0.12	10.75	2.32
	Heatwave	1S	0.912	0.02	9.29	2.01
	Heatwave	2S	0.949	0.39	12.52	3.07
	Post-heatwave	1S	0.945	−0.16	8.36	1.72
	Post-heatwave	2S	0.837	0.29	12.68	2.46
GHI	Pre-heatwave	1S	0.974	8.58	21.68	48.32
	Pre-heatwave	2S	0.920	0.30	33.37	59.90
	Heatwave	1S	0.948	10.42	31.63	57.18
	Heatwave	2S	0.964	−1.21	23.08	58.48
	Post-heatwave	1S	0.984	5.55	16.13	38.77
	Post-heatwave	2S	0.840	−1.86	59.64	126.83

Variable	Regime	Heatwave	r	NMBE (%)	NRMSE (%)	MAE (ºC)
Air temperature	Pre-heatwave	1S	0.938	0.10	10.65	2.26
	Pre-heatwave	2S	0.935	0.12	10.75	2.32
	Heatwave	1S	0.912	0.02	9.29	2.01
	Heatwave	2S	0.949	0.39	12.52	3.07
	Post-heatwave	1S	0.945	−0.16	8.36	1.72
	Post-heatwave	2S	0.837	0.29	12.68	2.46
GHI	Pre-heatwave	1S	0.974	8.58	21.68	48.32
	Pre-heatwave	2S	0.920	0.30	33.37	59.90
	Heatwave	1S	0.948	10.42	31.63	57.18
	Heatwave	2S	0.964	−1.21	23.08	58.48
	Post-heatwave	1S	0.984	5.55	16.13	38.77
	Post-heatwave	2S	0.840	−1.86	59.64	126.83

Source(s): Authors’ own work