condition mean min max 4 h after light 162.6 162.6 162.6 8 h after light 157.55 150.1 165.0 12 h after light 126.75 119.8 133.7 4 h after dark 146.85 117.0 176.7 8 h after dark 69.45 29.9 109.0 12 h after dark 115.19999999999999 54.8 175.6