Weather type

Number of samples

Temperature simulation equation

Number of test samples (pieces)

Forecast, measured difference (˚C)

Sunny day

59

Autumn\Spring: Y = 0.459X_{The lowest day before the shed} + 0.115X _{The highest ceiling in the previous day} + 0.250

Winter: Y = 0.255X_{The lowest day before the shed} + 0.093X_{The highest ceiling in the previous day} + 0.711

13

3.2

partly cloudy

117

Autumn\Spring: Y = 0.522X_{The lowest day before the shed} + 2.265

Winter: Y = 0.104X_{Outdoorminimum temperature} + 0.447X_{The lowest day before the shed} + 0.107X_{The highest ceiling in the previous day} + 2.244

33

1.3

cloudy day

36

Autumn\Spring: Y = 0.321X_{Outdoor minimum temperature} + 9.404

Winter: Y = 0.25X_{Outdoor minimum temperature} + 10.698

15

−1.4