condition mean min max 4 h after light 49.7 49.7 49.7 8 h after light 58.25 51.4 65.1 12 h after light 111.0 82.6 139.4 4 h after dark 130.5 115.0 146.0 8 h after dark 107.9 65.7 150.1 12 h after dark 54.6 22.7 86.5