condition mean min max 4 h after light 16.05622 7.26386 23.1733 8 h after light 21.3888 5.0897 34.6538 12 h after light 21.6865 13.577 29.3861 4 h after dark 39.2969 30.2153 44.5042 8 h after dark 31.029333333333334 21.7618 36.7493 12 h after dark 11.960033333333334 10.3913 13.0839