condition	mean	min	max
4 h after light	54.519	51.3255	57.7125
8 h after light	33.890299999999996	32.5764	35.2042
12 h after light	24.21485	22.6246	25.8051
4 h after dark	18.7513	18.638	18.9633
8 h after dark	22.824066666666667	21.624	25.0609
12 h after dark	39.79136666666667	37.278	42.9122