condition mean min max 4 h after light 147.6 147.6 147.6 8 h after light 113.1 86.0 140.2 12 h after light 111.15 83.5 138.8 4 h after dark 112.9 52.4 173.4 8 h after dark 99.19999999999999 83.1 115.3 12 h after dark 136.55 120.1 153.0