condition	mean	min	max
4 h after light	36.4	36.4	36.4
8 h after light	50.7	46.4	55.0
12 h after light	8.05	6.3	9.8
4 h after dark	13.0	2.8	23.2
8 h after dark	6.35	4.0	8.7
12 h after dark	13.85	11.3	16.4