External Thermal Insulation Composite Systems: Critical Parameters for Surface Hygrothermal Behaviour

Table 1

Outdoor and indoor climate during the test campaign (annual average).

Climatic parameter	Annual average
	Outdoor	Indoor
Temperature	15.4°C	20.3°C
Relative humidity	72%	69%
Global radiation emitted by the sun
Annual ave. of the positive values only*	254 W/m^2	—
Annual max. value	1122 W/m^2
Radiation emitted by the sky	335 W/m^2	—
Wind velocity/direction	1.4 m/s/170°	—
Climatic parameter	Annual accumulated value
Rain	874 mm	—

∗The null values, corresponding to night-time, were not considered in the average calculation.