condition mean min max 4 h after light 260.8 260.8 260.8 8 h after light 360.9 295.6 426.2 12 h after light 287.55 264.3 310.8 4 h after dark 287.6 254.2 321.0 8 h after dark 287.45 255.2 319.7 12 h after dark 305.20000000000005 300.3 310.1