condition	mean	min	max
4 h after light	905.7	905.7	905.7
8 h after light	965.0	917.8	1012.2
12 h after light	911.85	830.7	993.0
4 h after dark	839.55	760.0	919.1
8 h after dark	931.05	850.5	1011.6
12 h after dark	869.0999999999999	828.4	909.8