Sounds like moisture has returned to Mayberry. I don't have a recommendation for you, but I had to run sump pumps in my Black Point days... I can check with my extended family on ND. They all have dehumidifiers in their basements.
approve.. I saw the review of this on DRevTV.. and figure it would replace my fixed 50mm f/1.8, but I like the low light usage of the 1.8 (see drinking thread )