Evaluation and Optimization Design for Microclimate Comfort of Traditional Village Squares Based on Extension Correlation Function

Table 8

UTCI levels.

UTCI (°C)	Physiological stress level
>46	Extreme heat stress
38 to 46	Very strong heat stress
32 to 38	Strong heat stress
26 to 32	Moderate heat stress
9 to 26	No heat stress
0 to 9	Slight cold stress
−13 to 0	Moderate cold stress
−27 to −13	Strong cold stress
−40 to −27	Very strong cold stress
<−40	Extreme cold stress