Keep those pivot points lubed!
This is probably cover elsewhere but I'm too lazy to search.
It's basic PM to keep the the pivot points on the derailer's and brakes lubricated. Chain too. With all the precipitation these areas loose their ability to function optimally when they dry out.
Digging the air temps! Luving the head winds for both directions on the commute. No complaint just an observation. : )
Always lubricate where metals meets metal.