condition mean min max 2 h after light 156.90016666666668 134.648 173.977 6 h after light 156.0665 129.737 183.913 10 h after light 128.31358333333333 78.1125 161.736 14 h after light 146.832 126.115 181.74 18 h after light 163.4775 125.922 197.755 2 h after dark 148.5197 90.1762 192.886