Affect of weather/climate on MPG's

jesus_man

Veteran Member
Joined
Nov 9, 2005
Location
Illinois
TDI
2005 Jetta (gone), 2002 Passat (gone), 2009 JSW
Just curious to know if anyone of you have logged, even mentally, when you achieve your best MPG's and what the environment has been.

Of course, winter fuel could be a factor, but recently I have noticed that on the same winter fuel from the same station, I get better MPG on warmer (highs in the 50's & 60's) than on cold days. I also admit that I may "puff" my car for about 10 min on cold days.

Also, what about climate? Dry vs humid; high altitude vs low; etc...
 
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