condition	mean	min	max
4 h after light	3.2	3.2	3.2
8 h after light	12.35	11.0	13.7
12 h after light	3.05	2.3	3.8
4 h after dark	13.85	13.2	14.5
8 h after dark	11.55	6.5	16.6
12 h after dark	12.85	7.8	17.9