Salvete! > Hm. And if you collected and recorded the data for some period of time, you > might be able to use it to convince Building Services (or whoever) to try to fix > the problem. I couldn't help but think that meteorologists and archivists should already be doing this. Perhaps tweak summat pre existing ftw? http://www.cl.cam.ac.uk/research/dtg/weather/ Overkill for you, but clearly a webthingamajigger through RSS attached to a temperature whosamawhatsit on the roof. Cheers, Brooke