no but
by looking at relative changes such as ice cores etc, some clever people can get a very good idea of what temperature is doing.
( mazurka wants two's up on your mum., Fri 12 Jan 2007, 13:19, archived)

I'm pretty sure they can't do it with nearly enough accuracy
to compare annual highs.
( Dr. Shambolic je suis charlie, Fri 12 Jan 2007, 13:21, archived)