_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