"A farmer is having trouble with his chickens; they aren't laying any eggs. He calls in an physicist to help. The physicist finds a solution. However, he informs the farmer, the solution only works with spherical chickens in a vacuum." =)))

Oh physics, you'd be so fun, if you weren't so frustrating.

.edit//
Oh chem, wth is wrong with you?...
"Therefore, for a given amount of water in the air (a constant partial pressure), as temperature increases, relative humidity decreases.
Conversely, as temperature decreases, vapour pressure also decreases. For a given amount of water in the air, as temperature decreases, relative humidity increases."
STOP BEING SO CONTRADICTORY!!! >=(