condition	mean	min	max
4 h after light	30.4391	25.0619	35.8163
8 h after light	24.08495	21.4471	26.7228
12 h after light	50.102850000000004	48.0074	52.1983
4 h after dark	84.97473333333333	83.2847	86.0222
8 h after dark	79.4272	74.9825	82.2343
12 h after dark	47.67936666666667	42.4409	51.1888