It's cold and windy, and the sun is scheduled to set sometime around lunch.
Plus, if all goes according to plan, at the end of the day I will be driving something practical and roomy and slow instead of the zooty Kraut roadster I've piloted for the last seven years. If I make a passenger throw up with this thing, it'll be from body roll over urban potholes, not from pressing their face against the side glass with G-forces in the Appalachian foothills.
The temperature is expected to rise to a balmy 42, but with the thirty-knot gusts blowing from Mordor to the northwest, it'll be hard to tell apart from the high twenties it was this morning.
Solar spectrum lamps and Vitamin D, you say?