- Ceilometer measures cloud base height using a sensor of pulsed
laser. The frequency of cloud base height and cloud fraction are
described daily from Jun. 30 2001 to Nov. 8 2002. Units of
frequency is % and cloud fraction is tenth. Ceilometer will restart
observing at Aimeliik observation site soon.
- Diurnal variation of cloud fraction is described by the frequency of
11 days running mean from Jun. 30 2001 to Nov. 8 2002.
