Hi Renee - I am working on this one - We have the tools to get to certain snow cover data sites but your request is a bit more specific than the sites seem to be able to deal with. I am making phone calls to get you the information you are looking for. If anyone else has an answer feel free to chime in.
There are some private organizations that can supply the data - but it will cost you to get the information from them. I can dig up some of them if the above doesn't work for you.