condition	mean	min	max
4 h after light	74.1	74.1	74.1
8 h after light	47.05	40.7	53.4
12 h after light	65.35	64.5	66.2
4 h after dark	64.3	59.4	69.2
8 h after dark	84.75	79.6	89.9
12 h after dark	67.3	62.6	72.0