condition mean min max 0 h after light 5.3924 5.04929 5.73551 4 h after light 5.91797 5.66696 6.16898 8 h after light 10.26938 8.84606 11.6927 4 h after dark 10.432749999999999 10.2823 10.5832 8 h after dark 5.84518 5.64876 6.0416 12 h after dark 4.103295 2.60355 5.60304