_id	nome_misura	desc_misura	units
1	DateTime (UTC)	date and time, UTC time	yyyy-mm-dd hh:mm:ss
2	DSI_AVG	hourly averages of the downward shortwave irradiance	Wm-2
3	DSI_DEVST	standard deviation of the hourly downward global shortwave irradiance	Wm-3
4	DSI_NUM	number of measurements used in the average calculation	int