We sure did have a big swing in temperatures, giving us winter and summer temps all in one month! (stilettosanddiapers.com)
I found major swings in temperature in 1957, 1964, 1973, 1974 that happened before satellite data was available. (theinconvenientskeptic.com)
But their tropical cousins live in an area without extreme seasonal swings in temperature and are therefore very specifically adapted to live within a very narrow thermal range. (scientificamerican.com)