condition mean min max 4 h after light 112.8 112.8 112.8 8 h after light 108.7 71.5 145.9 12 h after light 151.55 76.8 226.3 4 h after dark 50.4 34.3 66.5 8 h after dark 120.55000000000001 111.8 129.3 12 h after dark 58.2 46.5 69.9