condition mean min max 4 h after light 68.1 68.1 68.1 8 h after light 112.2 103.2 121.2 12 h after light 164.35 144.2 184.5 4 h after dark 158.3 117.1 199.5 8 h after dark 77.1 48.6 105.6 12 h after dark 100.4 100.3 100.5