condition mean min max 4 h after light 62.1 62.1 62.1 8 h after light 79.0 75.6 82.4 12 h after light 39.35 23.7 55.0 4 h after dark 88.65 59.4 117.9 8 h after dark 91.25 60.9 121.6 12 h after dark 82.5 82.3 82.7