condition	mean	min	max
4 h after light	44.7	44.7	44.7
8 h after light	56.25	54.4	58.1
12 h after light	62.35	57.8	66.9
4 h after dark	70.3	69.1	71.5
8 h after dark	54.35	49.1	59.6
12 h after dark	68.15	45.3	91.0