condition mean min max 4 h after light 3.0110099999999997 2.5608 3.46122 8 h after light 2.72443 2.64866 2.8002 12 h after light 3.50143 3.4974 3.50546 4 h after dark 4.157116666666666 4.03093 4.38463 8 h after dark 3.35991 3.0684 3.56414 12 h after dark 2.900776666666667 2.25261 3.37754