Question: how many days are each season?
Answer: At year 2007 AD, Spring = about 92+3/4 days and getting shorter, Summer = about 93+2/3 days and getting longer, Autumn = about 89+5/6 days and getting longer, Winter = slightly less than 89 days and getting shorter, with an average season length in this data set of about 91 days 7h 27m 15s.