storage of float tube and pontoon boat

[rusty-hook]

I am new to Utah having come from San Diego where the coldest it gets is 70 degrees. Is it safe to store my floating equipment in an outside storage shed and should I leave them half full of air? Is there any thing else I should be concerned about keeping my equipment safe and in good order? Any information would be very helpful.
Thank you in advance.

Rusty
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