condition	mean	min	max
4 h after light	12.028279999999999	7.54714	15.9446
8 h after light	10.824503333333334	2.63221	18.9356
12 h after light	15.1365	9.4737	20.8842
4 h after dark	20.252266666666667	17.6631	22.925
8 h after dark	18.4696	15.5668	20.2126
12 h after dark	14.8942	12.6041	16.7291