From: Ellen K. 

It's great in the summer when it's over 100 outside.

In general our nights are much cooler than our days, so while in the winter
it gets up to the high 60's by day, where I live it goes down into the 40's
or even 30's at night.  I don't know whether the light-colored roof means
the house is better or worse for the winter nights.

On Sun, 18 Dec 2005 12:23:37 -0800, Tony Williams 
wrote in message :

>Ellen K. wrote:
>> Actually here in California there are also light-colored roofs.  My roof
>> is asphalt shingles in sort of a light gray color.   (I didn't pick it
>> out, came with the house.)   In the 60's white crushed rock roofs were
>> all the rage.
>
>That makes sense (I'm guessing you're in the south). I still like the
>idea of roofs which change colour depending on weather conditions, but
>in practice I expect them to be covered with solar cells instead.

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