condition	mean	min	max
4 h after light	44.7	44.7	44.7
8 h after light	13.85	5.0	22.7
12 h after light	34.5	28.0	41.0
4 h after dark	61.3	58.1	64.5
8 h after dark	46.15	35.8	56.5
12 h after dark	41.05	38.9	43.2