condition mean min max 4 h after light 31.2 31.2 31.2 8 h after light 12.25 4.1 20.4 12 h after light 23.849999999999998 9.4 38.3 4 h after dark 16.700000000000003 13.3 20.1 8 h after dark 48.8 47.2 50.4 12 h after dark 26.9 26.7 27.1