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Old 09-05-2010, 08:36 PM   #4 (permalink)
gone-ot walking...
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...FWIW, I have 8-months worth of AM (to work) and PM (to home) mpg-vs-temperature data showing similar results.

...there's a definite trendline difference:

• AM is cooler with slightly less traffic (at 0600 AM).

• PM is hotter with more traffic (at 1700-1800 PM).

...overall altitude difference is 220-feet over 26.2 miles, all freeway at 65 mph.
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