condition mean min max 4 h after light 42.2 42.2 42.2 8 h after light 62.9 59.2 66.6 12 h after light 81.85 58.3 105.4 4 h after dark 37.15 30.3 44.0 8 h after dark 34.2 6.5 61.9 12 h after dark 75.65 61.7 89.6