condition	mean	min	max
4 h after light	9.0	9.0	9.0
8 h after light	38.65	24.3	53.0
12 h after light	59.05	57.5	60.6
4 h after dark	39.05	12.3	65.8
8 h after dark	42.8	41.9	43.7
12 h after dark	39.55	25.8	53.3