condition	mean	min	max
4 h after light	20.485	16.9661	24.0039
8 h after light	4.72187	4.4137	5.03004
12 h after light	9.16162	7.99684	10.3264
4 h after dark	16.4004	14.9796	17.8212
8 h after dark	24.2131	21.8428	26.5834
12 h after dark	22.266350000000003	22.1519	22.3808