As a side note, I have a half-finished project of turning such city-month temperature maps into vectors (with an interactive matrix factorization/PCA). Source:

As a side note, I have a half-finished project of turning such city-month temperature maps into vectors (with an interactive matrix factorization/PCA). Source: https://github.com/stared/matrix-decomposition-viz https://github.com/stared/matrix-decomposition-viz Live: http://p.migdal.pl/matrix-decomposition-viz/ http://p.migdal.pl/matrix-decomposition-viz/