condition mean min max 4 h after light 1.4 1.4 1.4 8 h after light 17.1 4.2 30.0 12 h after light 12.850000000000001 8.6 17.1 4 h after dark 15.4 2.3 28.5 8 h after dark 24.8 4.6 45.0 12 h after dark 5.25 4.9 5.6