condition mean min max 4 h after light 20.4 20.4 20.4 8 h after light 9.05 5.9 12.2 12 h after light 13.899999999999999 10.1 17.7 4 h after dark 4.05 2.4 5.7 8 h after dark 26.65 22.7 30.6 12 h after dark 20.6 11.3 29.9