This is the land on microclimates. In the city of S.F. the temp almost never goes over 80 (we're too close to the cold Pacific). Drive inland 10 miles and it can be over 100. It makes a BIG difference how far you are from the ocean. Sacramento which is less than a 1 hour drive often is north of 100 in the summer. I live in SF and use my A/C all the time in the summer, just not in SF.

__________________
LRG
1987 300D Turbo 175K
2006 Toyota Prius, efficent but no soul
1985 300 TDT(130K miles of trouble free motoring)now sold