condition mean min max 4 h after light 123.2 123.2 123.2 8 h after light 157.85 125.7 190.0 12 h after light 110.5 92.2 128.8 4 h after dark 105.75 105.2 106.3 8 h after dark 122.39999999999999 111.1 133.7 12 h after dark 142.35000000000002 131.9 152.8