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Table 2

Approximate entropy values of daily precipitation, daily maximum, and daily minimum temperatures

Time series	Approximate entropy values of the forecasting models and observed data
Time series	Observed	ARIMA	ANN-MLP	RBF	QES	GP
Daily Pre^a	0.1220	0.0001	0.1219	0.1219	0.0030	0.0001
Daily Max^b	0.0547	0.0470	0.0547	0.0545	0.0420	0.0429
Daily Min^c	0.0597	0.0517	0.0598	0.0597	0.0271	0.0453

Time series	Approximate entropy values of the forecasting models and observed data
Time series	Observed	ARIMA	ANN-MLP	RBF	QES	GP
Daily Pre^a	0.1220	0.0001	0.1219	0.1219	0.0030	0.0001
Daily Max^b	0.0547	0.0470	0.0547	0.0545	0.0420	0.0429
Daily Min^c	0.0597	0.0517	0.0598	0.0597	0.0271	0.0453

^aPrecipitation; ^bmaximum temperature; ^cminimum temperature.