Table 3. Regression results with and without humidity as a feature.

dataset	RMSE		R squared		F test
	Without	With	Without	With	Without	With
Beijing	42.69	40.43	0.65	0.68	p<0.0001	p<0.0001
Shanghai	19.23	14.05	0.57	0.72	p<0.0001	p<0.0001