condition mean min max 4 h after light 30.6 30.6 30.6 8 h after light 41.2 34.9 47.5 12 h after light 36.3 34.0 38.6 4 h after dark 26.45 4.8 48.1 8 h after dark 46.2 24.4 68.0 12 h after dark 23.9 22.8 25.0