File descriptions:

Daily Humidity: date (dd/mm/yyyy), average humidity, maximum humidity, minimum humidity
15-min Humidity: date, hour, average humidity

Daily Precipitation: date, precipitation (mm)
15-min Precipitation: date, hour, precipitation (mm)

Daily Temperature: date, average temperature (°C), maximum temperature, minimum temperature
15-min Temperature: date, hour, average temperature (°C)

Daily Wind Velocity: date, average speed (km/hr), maximum speed (km/hr), average direction (to source of wind)
15-min Wind Velocity: date, hour, average speed (km/hr), maximum speed, average direction (to source of wind)