condition	mean	min	max
4 h after light	16.23245	14.9912	17.4737
8 h after light	18.60945	16.6588	20.5601
12 h after light	13.26605	13.0386	13.4935
4 h after dark	13.52275	12.4398	14.6057
8 h after dark	13.198599999999999	12.8028	13.5944
12 h after dark	15.08155	14.72	15.4431