condition mean min max 4 h after light 321.8 321.8 321.8 8 h after light 204.89999999999998 168.2 241.6 12 h after light 252.1 233.7 270.5 4 h after dark 237.0 158.7 315.3 8 h after dark 251.85 244.3 259.4 12 h after dark 239.1 231.5 246.7