condition	mean	min	max
4 h after light	6.502525	5.49712	7.50793
8 h after light	7.122294999999999	6.65482	7.58977
12 h after light	14.0718	13.5604	14.5832
4 h after dark	23.0509	22.7178	23.384
8 h after dark	24.0549	23.5978	24.512
12 h after dark	16.99305	16.3526	17.6335