Thus a 1.8 percent increase in cloud coverage would more than replace the total loss of all the polar sea ice. (sjsu.edu)
In the south, cloud coverage increases from 36 % up to 40 %, whilst in the north it rises from 49 % to 52 % over the course of the month. (holiday-weather.com)
The highly variable thin blue line is a plot of global cloud coverage from this source with the following change: the blue curve has been inverted. (c3headlines.com)