condition mean min max 4 h after light 3.3209 2.79981 3.84199 8 h after light 2.1738150000000003 2.08557 2.26206 12 h after light 1.81073 1.57682 2.04464 4 h after dark 4.06946 3.36092 5.00797 8 h after dark 3.2121380336666667 0.000124101 5.03711 12 h after dark 4.31588 3.23445 4.93898