condition mean min max 4 h after light 70.9 70.9 70.9 8 h after light 46.7 38.8 54.6 12 h after light 84.1 72.6 95.6 4 h after dark 94.15 74.2 114.1 8 h after dark 40.1 6.3 73.9 12 h after dark 45.9 44.4 47.4