The observers get many questions about looking up data on a particular day that someone has hiked the mountain. There are a few great links to find this data at, and we hope that this helps quell curiosities.
First off, Plymouth State provides a Meteogram of the raw data, every hour back to 1998. The link is:
The station ID for MWO is 'KMWN'
For a little less technical graph of the data, try this site:
Again, 'KMWN' is the ID, and single line decoding is very easy for everyone to understand.
Hope this helps, now everyone can find records of their favorite/least favorite days on the summit.