temperature starts raising at 6:00, starts decreasing at 18:00; instead of the reverse

Correction for 
Description: The temperature at a fixed location is decreasing during daytime (6:00 - 18:00) and increasing at nighttime:

http://terrafirmacraft.com/f/topic/6992-0797-temperature-profile-over-a-day-hotter-at-night-colder-during-day/#entry94085