From "Star Trek: The Next Generation: Starship Mine (#6.18)"
Lt. Commander Data
[practicing small talk a la Hutchinson on Riker and Crusher
] It is very good to see you both again! Beverly... May I call you Beverly? Beverly, have you noticed that the mean temperature here on Arkaria is slightly higher than normal for human comfort levels? I have found that humans prefer a body temperature of 21 degrees Celsius in order to operate most efficiently. However, there are several cultures who actually prefer that their body temperature is identical to the temperature of the room in which they are standing. The Sheliak for example...