condition	mean	min	max
4 h after light	70.9	70.9	70.9
8 h after light	66.2	46.9	85.5
12 h after light	102.5	94.4	110.6
4 h after dark	68.0	42.4	93.6
8 h after dark	71.6	70.1	73.1
12 h after dark	88.4	85.3	91.5