condition mean min max 0 h after light 2.10037 1.40191 2.79883 4 h after light 0.344937 0.0 0.689874 8 h after light 0.692255 0.0 1.38451 4 h after dark 1.7207249999999998 1.37984 2.06161 8 h after dark 0.3474665 0.0 0.694933 12 h after dark 2.74941 1.39754 4.10128