condition mean min max 4 h after light 2.5712200000000003 1.53311 3.30898 8 h after light 1.178794 0.486192 1.83754 12 h after light 1.2201333333333333 0.9304 1.53854 4 h after dark 2.052286666666667 1.89445 2.14972 8 h after dark 2.3266999999999998 1.64793 3.21457 12 h after dark 5.509986666666666 4.8385 6.05566