«The global
average cloud cover declined about 1.56 % over 39 years (1979 to 2009) or ~ 0.4 % / decade, primarily in middle latitudes at middle and high levels (Eastman & Warren, 2012).
«The global
average cloud cover declined about 1.56 % over 39 years (1979 to 2009) or ~ 0.4 % / decade, primarily in middle latitudes at middle and high levels (Eastman & Waren, 2012).
Not exact matches
The ISCCP shows an increase in globally
averaged total
cloud cover of about 2 % from 1983 to 1987, followed by a
decline of about 4 % from 1987 to 2001.
But there is some
cloud cover on
average, as there is some rain — which are both likely to
decline as the atmosphere fills with heat - absorbing CO2.