condition mean min max 4 h after light 4.2 4.2 4.2 8 h after light 46.35 38.2 54.5 12 h after light 21.55 4.0 39.1 4 h after dark 35.5 21.3 49.7 8 h after dark 37.400000000000006 33.6 41.2 12 h after dark 22.700000000000003 16.1 29.3