condition mean min max 3 h after light 12.408333333333333 5.25229 26.5826 7 h after light 14.4941775 5.5951 33.0561 11 h after light 16.6214 10.5454 29.7216 2 h after dark 15.275895 9.2001 27.1913 6 h after dark 12.061963333333333 4.97663 18.1778 10 h after dark 10.018025833333333 4.26507 16.5929