condition	mean	min	max
4 h after light	45.4	45.4	45.4
8 h after light	43.25	30.1	56.4
12 h after light	56.7	54.7	58.7
4 h after dark	39.1	36.6	41.6
8 h after dark	20.55	15.1	26.0
12 h after dark	30.5	18.6	42.4