condition mean min max 4 h after light 45.4 45.4 45.4 8 h after light 43.75 38.5 49.0 12 h after light 23.45 8.9 38.0 4 h after dark 26.6 23.2 30.0 8 h after dark 50.75 33.2 68.3 12 h after dark 43.65 37.5 49.8