Humidity data loggers

[Kleopfer, John (DGIF)]

Any recommendations of a small, inexpensive (<$100ea.) humidity data logger that can be used outside? The logger would be buried in the soil and left there all winter.

John (J.D.) Kleopfer
Wildlife Diversity Biologist/Herpetologist
3801 John Tyler Memorial Hwy.
Charles City, Va. 23030
804-829-6703