Brief visit to April ending soon

It's 12°C in Chicago right now, a temperature perfectly normal for April 1st, and 12.2°C above normal for January 13th.

This week's spring-like temperatures and the medium-term climate forecast make it likely that January 2013 will be the 335th consecutive month of above-normal temperatures. That means, if you're under 28 years old and lived in the U.S., you have never experienced a normal month.

Sadly, tonight things get back to normal:

Here's the forecast graph:

Boy, I can't wait for the freezing rain and sleet coming in 15 hours.