I have been riding a staionary bike at the gym for the last few months (bad weather, no time, darkness) and was wondering how the data on a stationary bike compares to the roads.

I have been usually getting 25-27 MPH average for an hour on the stationary bike and usually average in the mid to high 200's for watts for the hour. I understand these numbers are out of wack but am wondering if anyone had any thoughts about road vs. stationary biking and how these numbers compare.