It seems 'Spring' has arrived earlier this year than normal, and definitely compared to the last few years. So far this March, average temperatures across southern Wisconsin are around 4 °F above normal. Let's take a look at some March temperatures statistics at Milwaukee and Madison to compare this year to previous years.
Milwaukee Average Temperature Rankings Through March 29 (140 years of climate data)
Normal Through March 28 = 34.4 (°F)
Madison Average Temperature Rankings Through March 29 (142 years of climate data)
Normal Through March 28 = 33.1 (°F)
So far this March has been the warmest since 2000, and 3rd warmest since 1974. If you compare average temperatures through March 28 of this year to 2008, average temperatures are 6.6 °F warmer at Milwaukee and 9.6 °F warmer at Madison.