Low temperatures this past weekend were in the very comfortable 50s. How common is this? The featured chart plots the distribution of observed low temperatures on 14 Jul for all climate sites in Iowa. The portion of the curve below 60 degrees is roughly 25%, so roughly speaking it is a 1 in 4 year occurance. Lows will be in the upper 60s this week.

Voting:
Good = 43
Bad = 17