I absolutely dig the way the My-Cast weather application for the iPhone uses sparklines. Works just as it should, and conveys information without me even thinking about it. (Just in case, the sparklines are the little word-sized graphs next to each data item.)

My-Cast iPhone weather app showing Minneapolis MN conditions: mostly cloudy, 1 degree, winds N 0 mph, dewpoint -8, humidity 65%, pressure 30.32 inHg, visibility 10 miles, each stat paired with a