condition	mean	min	max
4 h after light	21.9	21.9	21.9
8 h after light	45.05	41.6	48.5
12 h after light	48.4	35.5	61.3
4 h after dark	57.05	53.0	61.1
8 h after dark	61.45	50.9	72.0
12 h after dark	65.1	54.3	75.9