condition mean min max 4 h after light 23.4 23.4 23.4 8 h after light 24.0 16.8 31.2 12 h after light 30.85 30.2 31.5 4 h after dark 48.849999999999994 44.9 52.8 8 h after dark 32.6 26.1 39.1 12 h after dark 22.45 5.8 39.1