condition	mean	min	max
4 h after light	97.2	97.2	97.2
8 h after light	57.400000000000006	46.6	68.2
12 h after light	66.1	63.5	68.7
4 h after dark	64.80000000000001	64.7	64.9
8 h after dark	79.3	75.6	83.0
12 h after dark	60.05	52.9	67.2