Table 2. Spearman rank correlations and partial correlations between weekly meteorological variables and HFMD.

Variable	City	Spearman rank correlation		Partial correlation
		r s	p	r s	p
Precipitation (mm)	Datong	0.282	<0.001	0.109	0.080
	Taiyuan	0.352	<0.001	0.103	0.100
	Changzhi	0.214	0.001	0.143	0.022
	Yuncheng	0.184	0.003	0.067	0.282
Average temperature (°C)	Datong	0.610	<0.001	0.513	<0.001
	Taiyuan	0.726	<0.001	0.519	<0.001
	Changzhi	0.715	<0.001	0.381	<0.001
	Yuncheng	0.462	<0.001	0.265	<0.001
Average max temperature (°C)	Datong	0.596	<0.001	0.493	<0.001
	Taiyuan	0.721	<0.001	0.502	<0.001
	Changzhi	0.707	<0.001	0.366	<0.001
	Yuncheng	0.454	<0.001	0.158	0.011
Average min temperature (°C)	Datong	0.737	<0.001	0.528	<0.001
	Taiyuan	0.707	<0.001	0.511	<0.001
	Changzhi	0.707	<0.001	0.381	<0.001
	Yuncheng	0.475	<0.001	0.258	<0.001
Average relative humidity (%)	Datong	0.181	0.003	-0.071	0.257
	Taiyuan	0.158	0.011	-0.180	0.004
	Changzhi	0.209	0.001	-0.095	0.127
	Yuncheng	0.193	0.002	0.058	0.355
Hours of sunshine (h)	Datong	0.331	<0.001	0.025	0.688
	Taiyuan	0.322	<0.001	-0.064	0.308
	Changzhi	0.234	<0.001	0.070	0.262
	Yuncheng	0.155	0.012	0.052	0.406