condition mean min max 4 h after light 18.7 18.7 18.7 8 h after light 13.55 1.6 25.5 12 h after light 22.75 15.2 30.3 4 h after dark 8.200000000000001 2.6 13.8 8 h after dark 2.4 2.0 2.8 12 h after dark 30.9 3.0 58.8