condition mean min max 4 h after light 29.9 29.9 29.9 8 h after light 13.55 3.1 24.0 12 h after light 17.95 9.5 26.4 4 h after dark 5.05 2.0 8.1 8 h after dark 6.6499999999999995 3.1 10.2 12 h after dark 14.15 12.9 15.4