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Perhaps as most of you in northern Europe, we had a dismal warm and cloudy winter here in Sweden. It has been so bad that it has prompted me to have a look at the data and consider if there is something to do with climate change.
I got cloudiness data from the Swedish Meteorological and Hydrological Institute. They have data from 1961 to 2016, but unfortunately only for daytime. With caveats for this, and for some quality issues before 1980, I found that cloudiness is indeed increasing, and that the number of clear days is decreasing even more.
Obviously I do not find this amusing. It is nevertheless consistent with the expected impact of a warmer climate on an oceanic climate like ours.
Has anyone done a similar analysis for other places? I would be happy to see your results.
Cheers and clear skies!
You find the complete story is in my astroblog, Epistulae Atronomicae.