condition mean min max 0 h after light 1.3554599999999999 1.26954 1.44138 4 h after light 2.0362150000000003 2.00272 2.06971 8 h after light 3.98997 3.87695 4.10299 4 h after dark 4.662965 4.08915 5.23678 8 h after dark 3.347945 3.27829 3.4176 12 h after dark 2.66882 2.11306 3.22458