Weather Underground

I liked being able to create a graph using google docs. I would not let my kindergarters use this program but I would like to use it to show parents where their children stand compared to the rest of the class.
https://spreadsheets.google.com/pub?key=0Amx6n2foYYFcdGM2QkM5MzBSWWlBWGpFSElHaUFoV3c&hl=en&output=html