condition mean min max 4 h after light 321.6 321.6 321.6 8 h after light 298.95 273.9 324.0 12 h after light 377.45 376.5 378.4 4 h after dark 369.55 361.6 377.5 8 h after dark 401.4 390.0 412.8 12 h after dark 368.79999999999995 342.4 395.2