Q: The other day when it was raining, it made me wonder about this: Is it possible to have more than 100 percent humidity or less than zero percent? My husband thinks I am odd.
A: He may be right. I don’t know. If he is just basing that on your question, you probably aren’t all that odd, but there may be other factors involved, such as manner of dress, eating habits or the like.
First of all, no, it is not possible to have less than zero percent humidity. It’s possible to have zero percent, but not less.
Ergo, hence and ipso facto, it would also seem to be impossible to have more than 100 percent relative humidity, but it turns out that’s not true. This I learned from Randy Cerveny, an associate professor of geography at Arizona State University and the King of the Weather Wonks.
