condition	mean	min	max
4 h after light	7.594149999999999	6.62062	8.56768
8 h after light	10.022314999999999	9.38013	10.6645
12 h after light	11.43795	11.2489	11.627
4 h after dark	18.5745	17.3973	19.3941
8 h after dark	17.706733333333332	17.4049	18.2016
12 h after dark	11.5747	11.0216	12.6387