condition	mean	min	max
4 h after light	231.3	231.3	231.3
8 h after light	190.8	162.1	219.5
12 h after light	162.85	150.2	175.5
4 h after dark	182.05	144.0	220.1
8 h after dark	228.7	222.0	235.4
12 h after dark	229.95	224.0	235.9