condition mean min max 0 h after light 41.25345 40.1907 42.3162 4 h after light 52.8183 52.4482 53.1884 8 h after light 50.61985 49.6509 51.5888 4 h after dark 48.8686 48.8248 48.9124 8 h after dark 38.459199999999996 38.1748 38.7436 12 h after dark 38.1867 34.0981 42.2753