Past IEM Features tagged: dec17
The quick turn of our weather to winter on Tuesday made Monday seem like a distant memory. The highs on Monday were some of the warmest possible during December and Des Moines was able to tie its all time record high temperature for the month. The featured chart displays the monthly maximum temperature records for the site. One can use the values in comparison to other months, so the 69 on Monday is comparable to seeing 110 in July!
Warm and muggy air streamed into Iowa on Monday before being swept out by a cold front passage Monday evening. A harsh reminder of the current winter season impacted the state over night. But before then, Des Moines was able to tie its all-time warmest December temperature of 69 degrees. The featured table looks at the hourly temperature reports from Sunday into Monday for Des Moines and the previous hour for December with as warm of a temperature. For 8 AM and Noon yesterday, the hourly temperature was the warmest on record based on IEM archives for the site.