The present forecast looks like we are in for a stretch of days with highs above 40 degrees. The featured chart looks at the frequency of having such days in December for Des Moines. The overall simple average is just shy of 11 days each year. The chart also shows a trailing 30 year average that has recently been on the upswing. The upcoming 40 degree days look to last until at least Christmas Day.

Voting:
Good = 11
Bad = 0