condition mean min max 0 h after light 23.15185 20.394 25.9097 4 h after light 21.01115 20.2018 21.8205 8 h after light 32.888 32.2953 33.4807 4 h after dark 25.761200000000002 23.629 27.8934 8 h after dark 25.6259 25.3876 25.8642 12 h after dark 20.956899999999997 20.7914 21.1224