Watts Up With That has a very good analysis of the weather stations that were used to generate the "record" temperatures. Interestingly if you look further down you will see where the tarmac at the airports where the stations are located reached a very impressive 192 degrees! Yowch! Think that might have had an effect on the temperature readings?
NNNNNAAAAAAAAWWWWWWWW
NNNNNAAAAAAAAWWWWWWWW