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Hi! I'm working on the challenge and I have one question about the observation data. After plotting the data for the day 02-27 over all years I can see that there are some points where there a lot of observations corresponding to one category, for example the point with latitude=25.5 and longitude=43.5 only have two observations on the category near normal. This fact happens on many other points and also in others days of the year. Aren't observations supposed to be better distributed? I would expect to see a more uniform distribution around the three categories.

I attach images of the code that I use and the graphics that illustrate this data.

Edit: If it is useful for someone the same strange thing occur if you check the observation data for 10 Dec. There's a point with latitude=60 longitude=13.5 that have no near normal observations along all 20 years.