condition	mean	min	max
4 h after light	499.92150000000004	432.752	567.091
8 h after light	363.297	361.213	365.381
12 h after light	567.9425000000001	514.493	621.392
4 h after dark	882.969	865.243	904.5
8 h after dark	817.6890000000001	777.138	879.633
12 h after dark	728.146	727.462	729.047