condition mean min max 4 h after light 2.7 2.7 2.7 8 h after light 5.949999999999999 3.2 8.7 12 h after light 11.3 4.5 18.1 4 h after dark 25.6 21.9 29.3 8 h after dark 15.149999999999999 13.6 16.7 12 h after dark 24.0 20.5 27.5