condition mean min max 4 h after light 21.4 21.4 21.4 8 h after light 50.1 29.2 71.0 12 h after light 63.599999999999994 58.6 68.6 4 h after dark 30.55 12.4 48.7 8 h after dark 28.75 2.2 55.3 12 h after dark 46.4 14.0 78.8