condition mean min max 4 h after light 12.8 12.8 12.8 8 h after light 33.25 29.9 36.6 12 h after light 59.9 42.7 77.1 4 h after dark 27.6 25.7 29.5 8 h after dark 40.65 36.3 45.0 12 h after dark 34.05 25.4 42.7