Item	Instrument	Height (m)	Sampling interval	Recording interval	Averaging time
Air temperature	Temperature & humidity sensor (H08-032-08, Onset Computer Corporation, USA)	1.2		10 min
Relative humidity	Temperature & humidity sensor (H08-032-08, Onset Computer Corporation, USA)	1.2		10 min
Air pressure	Barometer (PTB220, Vaisala Oyj, Finland)			10 min