Here's January of this year. San Francisco, so pretty moderate weather
typically don't run heat during the day, and low 60s at night (if at all) during the winter. Large temperature gradient throughout house, typically.
South facing windows gives kitchen and living room a greenhouse effect, particularly in the winter, hence the large daily temperature swings:
For all the problems in the tech industry, having a large chunk of your compensation be in the form of RSUs does address this meme's complaint. Company does well = you get paid more.