Table 3.

Selected model parameters and performance during training and validation.

Kernel	Search space	Optimised value	Metrics	Training	Validation
RBF	10−5 to 105	Length Scale: 52.47	PE (%)	+7 ± 42	+9 ± 51
			r	0.957	0.936
	10−5 to 105	Alpha: 0.030	NSE	0.920	0.876
			ubRMSE (MJ.mm.ha−1.h−1.year−1)	873	1015