condition	mean	min	max
4 h after light	85.4	85.4	85.4
8 h after light	83.3	82.1	84.5
12 h after light	71.35	27.9	114.8
4 h after dark	94.5	82.7	106.3
8 h after dark	52.2	33.2	71.2
12 h after dark	55.5	39.4	71.6