condition mean min max 4 h after light 40.1 40.1 40.1 8 h after light 37.5 27.3 47.7 12 h after light 37.4 29.8 45.0 4 h after dark 56.050000000000004 21.2 90.9 8 h after dark 36.65 12.9 60.4 12 h after dark 42.9 13.0 72.8