largest 2 day temperature swings in Denver

It suppose to near  70F (21.5C) tomorrow for a high in Denver with a low Tuesday night of near 0F (-18C)

Here are the largest 48 hour temperature swings in Denver's history

Dec 2008 76F (24.4C)
Feb 1996 72F (22.2C)
Dec 1989  71 F (21.7C)
Oct 10 2019  70F (21.1C)