condition mean min max 4 h after light 50.4 50.4 50.4 8 h after light 26.4 16.9 35.9 12 h after light 49.05 23.3 74.8 4 h after dark 58.3 37.6 79.0 8 h after dark 99.65 46.8 152.5 12 h after dark 103.6 82.8 124.4