THE MOISTURE PERFORMANCE of a building is determined to a great extent by the climate at a particular geographic location. The prevailing climate also influences the type of preventative or remedial action that may be required. Climates in the United States and Canada can be generally classified as: 1. Hot/Warm and Dry SW, Arizona, New Mexico 2. Hot/Warm and Humid Florida, Gulf States 3. Moderate California, Oregon, Washington 4. Temperate Midwest, Northeast 5. Cold Upper tier of States, Canada