We have officially entered the period in Californian fall when it is too warm to go out wearing a jacket and too cold at night to not have one. This awkward phase between summer and winter marks the return of colder weather and the flip-flop from board shorts to jeans. The days have gotten noticeably shorter and there is just over two months until the winter solstice. For those who have not experienced a Santa Clara winter, the weather isn’t that bad, it is just misleading. No matter how warm it is during the day, it is a safe bet that you are going to need a jacket when the sun disappears.