condition mean min max 4 h after light 1.3 1.3 1.3 8 h after light 15.649999999999999 2.4 28.9 12 h after light 2.0 1.4 2.6 4 h after dark 4.199999999999999 3.3 5.1 8 h after dark 8.799999999999999 1.4 16.2 12 h after dark 5.2 4.5 5.9