condition mean min max 2 h after light 55.3907 52.1122 58.1077 6 h after light 64.8041 64.2244 65.8954 10 h after light 73.7693 69.8757 78.8018 2 h after dark 62.48996666666667 59.1438 64.3775 6 h after dark 53.582300000000004 53.2413 54.0737 10 h after dark 46.90983333333333 46.0213 47.5896