For those of you who have extreme winter months, you may find these tire storage tips useful. This information comes directly from Nitto.
Details:Proper Tire Storage for Colder Climates (http://www.nittotire.com/assets/safety/StorageRecommendationsCompetitionTires.pdf)

For other useful information on winter driving, check out our winter tire FAQs page.
Details:Winter Tire FAQs (http://www.discounttiredirect.com/direct/brochure/winter/tmpWinterFAQ.jsp)