Last post I looked at when the hottest day of the year occurs, across several thousand US weather stations. This time I'll look at when the coldest day happens (the lowest average low). The earliest happens on December 1st, near Savannah, Georgia. That really is an outlier, but how nice: it's not even winter yet … Continue reading When is it Coldest?

[I know there's lots in the news about record temperatures in Europe, but the timing of this post is unrelated. Global climate change is a far bigger issue than I can study. This is just me playing with some historical weather numbers.] In my previous post I started digging into the historical climate data for … Continue reading When is it Hottest?

The National Centers for Environmental Information (part of the National Oceanic and Atmospheric Administration(NOAA)) has a dataset of historical climate observations from thousands of stations around the world. Over 25,000 stations are active and their data is updated regularly. Historical data, at times going back over 100 years, is available for active stations as well … Continue reading Highs and Lows