Table 3.

The relationships between the daily precipitation isotopes (δ²H/δ¹⁸O/δ¹⁷O), ¹⁷O-excess, d-excess and local meteorological parameters (temperature (T), relative humidity (RH) and precipitation amount (P)) within different seasons.

	δ2H		δ18O		δ17O		17O-excess		d-excess
	r	p	r	p	r	p	r	p	r	p
Tspring	0.65	<0.001	0.62	<0.001	0.62	<0.001	—	—	—	—
RHspring	— — — —
Pspring	—	—	—	—	—	—	—	—	0.26	0.041
Tsummer	0.35	0.003	0.35	0.004	0.33	0.004	−0.26	0.023	—	—
RHsummer	— — — — —
Psummer	—	—	—	—	—	—	0.28	0.032	0.37	0.003
Tfall	0.42	0.003	0.45	0.002	0.45	0.001	0.35	0.015	—	—
RHfall	— — — — —
Pfall	— — — — —
Twinter	0.82	<0.001	0.79	<0.001	0.79	<0.001	—	—	0.36	0.009
RHwinter	0.47	<0.001	0.42	0.002	0.42	0.002	—	—	0.37	0.006
Pwinter	—	—	—	—	—	—	0.32	0.045	—	—

“−” indicates the insignificant correlation.