condition mean min max 4 h after light 11.659849999999999 10.1648 13.1549 8 h after light 11.15165 10.7877 11.5156 12 h after light 7.83569 7.44234 8.22904 4 h after dark 11.4537 10.7127 12.1947 8 h after dark 11.7121 11.5624 11.8618 12 h after dark 13.7803 13.1729 14.3877