condition mean min max 4 h after light 51.5 51.5 51.5 8 h after light 38.85 29.8 47.9 12 h after light 36.45 36.4 36.5 4 h after dark 19.0 7.1 30.9 8 h after dark 45.1 29.0 61.2 12 h after dark 61.800000000000004 56.2 67.4