condition mean min max 4 h after light 49.0 49.0 49.0 8 h after light 68.6 60.7 76.5 12 h after light 61.6 19.7 103.5 4 h after dark 69.5 48.0 91.0 8 h after dark 86.55 62.5 110.6 12 h after dark 75.5 69.0 82.0