condition mean min max 4 h after light 17.6 17.6 17.6 8 h after light 6.1499999999999995 1.1 11.2 12 h after light 1.35 0.8 1.9 4 h after dark 23.75 18.7 28.8 8 h after dark 11.3 5.5 17.1 12 h after dark 14.85 2.4 27.3