condition mean min max 4 h after light 121.4 121.4 121.4 8 h after light 90.25 86.9 93.6 12 h after light 67.19999999999999 50.3 84.1 4 h after dark 94.75 75.0 114.5 8 h after dark 70.15 55.0 85.3 12 h after dark 82.19999999999999 73.8 90.6