condition mean min max 0 h after light 2.72487 2.43269 3.01705 4 h after light 2.6616400000000002 2.24913 3.07415 8 h after light 1.6548949999999998 1.19851 2.11128 4 h after dark 3.40365 2.59899 4.20831 8 h after dark 3.71265 3.47874 3.94656 12 h after dark 2.79807 2.79254 2.8036