condition mean min max 4 h after light 10.7931665 10.409399 11.176934 8 h after light 10.103254499999998 9.427404 10.779105 12 h after light 10.8719775 9.591407 12.152548 4 h after dark 11.0866715 10.738133 11.43521 8 h after dark 11.5210215 10.03835 13.003693 12 h after dark 13.466317 13.466317 13.466317