My room is cooler

I think a combination of this week not being as hot as the previous, the Yu Yu Hakusho wall scroll I've now got hanging on my window, and a bookshelf blocking the furnace, has really made my room much cooler than it had been last week.

There's no doubt that the furnace being blocked must be a contributing factor to the lower temperature in my room. The question is--how much of an influence was that furnace? I'll have to wait til the temperature is up in the mid 90's again to truly know the effects.

Whatever the result, it almost goes without saying that now, when it gets cold, my room will be much colder than it had been before.