condition mean min max 4 h after light 27.4 27.4 27.4 8 h after light 30.9 19.2 42.6 12 h after light 29.6 19.3 39.9 4 h after dark 24.5 9.4 39.6 8 h after dark 75.85 67.1 84.6 12 h after dark 77.45 52.4 102.5