condition	mean	min	max
4 h after light	20.0	20.0	20.0
8 h after light	11.549999999999999	2.2	20.9
12 h after light	14.2	9.0	19.4
4 h after dark	11.200000000000001	1.6	20.8
8 h after dark	13.45	5.0	21.9
12 h after dark	3.8	3.3	4.3