condition mean min max 4 h after light 318.1 318.1 318.1 8 h after light 180.0 153.0 207.0 12 h after light 319.2 307.9 330.5 4 h after dark 232.25 137.0 327.5 8 h after dark 231.25 212.2 250.3 12 h after dark 271.54999999999995 268.7 274.4