Estimating Solar Insolation and Power Generation of Photovoltaic Systems Using Previous Day Weather Data

Table 2

The weather variables at initial time.

Variables	Min	Max
Lowest temperature (Tlow, °C)	−18.0	28.7
Highest temperature (Thigh, °C)	−10.5	36.6
Precipitation (PR, mm)	0	144.5
Precipitation duration (PD, hr)	0	24
Minimum humidity (RH, %)	7	94
Daily wind speed (DWS, m/s)	0.9	6.4
Sunshine duration (SD, hr)	9.6	14.8
Continued sunshine duration (CSD, hr)	0	13.7
Cloud cover (CC, −)	0	10