condition mean min max 0 h after light 3.36968 2.89449 3.84487 2 h after light 2.557405 2.48202 2.63279 4 h after light 5.2623750000000005 4.91013 5.61462 8 h after light 4.641495000000001 4.19882 5.08417 12 h after light 8.778765 8.12174 9.43579 2 h after dark 6.033110000000001 5.50389 6.56233 4 h after dark 6.10468 5.98028 6.22908 8 h after dark 5.3884799999999995 5.00252 5.77444 12 h after dark 3.81699 3.6446 3.98938