As previously noted, both Chicago and Minneapolis are crushing their records for the warmest March, originally set over a century ago in the remarkable year of 1910. These cities are both near the epicenter of the most extreme temperatures relative to normal this month, but the effects are significant at least as far away as Oklahoma.
The Oklahoma Mesonet points out that the 1910 record for the state average temperature was already broken 5 years ago in 2007, but that record is close to falling, as well:
March remains out of control
With each passing day, March moves up in the record books in its quest to become
the warmest on record for Oklahoma. It doesn't have too far to look back - 2007
is the current record holder with a statewide average of 58.3 degrees.
March 2012, through the 27th, has a statewide average of 58.1 degrees ... at least
according to Oklahoma Mesonet numbers. Remember that the official records are
based off the numbers computed by NCDC and consist of a mixture of NWS COOP and
Oklahoma Mesonet numbers. But it's pretty plain to see that this March is going
to challenge that record from just five years ago.
Statewide Average Temperatures: March 1-27
High Temps Low Temps Avg Mean Temps
Mesonet Avgs 70.1F 46.1F 58.1F
Normal 62.3F 36.4F 49.4F
Dep. from Norm. 7.8F 9.7F 8.8F