Four different surfaces. Four different thermometer readings. All photos were captured around 3:07 PM CDT today when the outside temperature was 105° F. Info for each photo follows: 1. 100.8° F is the surface temperature of a light gray concrete patio attached to the house in the shade. 2. 112.1° F is the surface temperature of a brown elevated wood deck in the shade. 3. 164.3° F is the surface temperature of a gray color stone paver in direct sunlight. 4. 180.1° F is the surface temperature of an elevated brown wood deck in direct sunlight.