On 2/28/2007 1:40:04 PM, "Jim B" wrote:

I agree with Andrew, I'd love to be able to download historic ASOS
observations for any airport. Even for non-computer programers, a few
minutes parsing with a spread sheet program could yield all kinds of
interesting things!

You might be able to get some information from the METAR archive websites.
Here's one that includes all stations within a US state going back to 1998:

http://vortex.plymouth.edu/sa_parse-u.html

Or, by individual airport:

http://www.uswx.com/us/stn/?code=c&n=1440&stn=kdpa

--
Peter