Month

Average outdoor Temperature: T_m (˚C)

Average Relative Humidity Air: H_moy (%)

Average Moisture content Earth: w (%)

Apparent Thermal Conductivity: λ_app (W/m・˚C)

Heat Capacity: C (J/kg・K)

Density: (kg/m³)

April

33.4

22.4

6.25

0.46

1465

1625