condition mean min max 4 h after light 2.0 2.0 2.0 8 h after light 13.549999999999999 3.7 23.4 12 h after light 1.2000000000000002 1.1 1.3 4 h after dark 4.15 2.7 5.6 8 h after dark 3.55 3.4 3.7 12 h after dark 5.0 2.1 7.9