. 2014 Jan 9;11(1):952–967. doi: 10.3390/ijerph110100952

Table 3.

Coefficients of determination (R²) for linear relationships between mean daily UTCI, PET, AT, and T in the urban vs. rural region in summer (JJA) and winter (DJF) seasons. (%) denotes percentages of warm (cold) days in common in summer (winter) during 1994–2009.

Thermal Indices Compared	Urban JJA R² (%)		Urban DJF R² (%)		Rural JJA R² (%)		Rural DJF R² (%)
T~UTCI	0.83	73	0.23	31	0.86	77	0.52	45
PET~UTCI	0.91	82	0.41	39	0.92	82	0.68	59
AT~UTCI	0.93	83	0.56	45	0.94	84	0.75	62
T~AT	0.94	79	0.88	86	0.95	84	0.94	81
AT~PET	0.98	82	0.95	91	0.98	87	0.98	91
T~PET	0.96	84	0.95	88	0.95	87	0.96	80