condition	mean	min	max
4 h after light	55.5	55.5	55.5
8 h after light	54.3	52.4	56.2
12 h after light	47.05	39.4	54.7
4 h after dark	47.15	43.4	50.9
8 h after dark	38.650000000000006	35.2	42.1
12 h after dark	47.3	47.0	47.6