Forecast of the Day • A National Weather Forecasting Contest

In the cool season, the highest temperatures in the continental U.S. are typically found in Florida, South Texas, or the desert Southwest. This week, Florida and South Texas are out of the running, as they are enjoying the remnants of a cold, continental polar air mass for a couple of more days. For example, in Daytona Beach, Florida, the low temperature Wednesday is expected to be about 15 F below average, while the high temperature is expected to be only about 7 F below average. Let's predict Tmin for Daytona Beach.

Why would you expect the Tmin be much more below average than the Tmax in this case?