condition	mean	min	max
4 h after light	17.78625	17.11	18.4625
8 h after light	64.5125	64.0232	65.0018
12 h after light	59.412549999999996	54.8594	63.9657
4 h after dark	33.06353333333333	30.3553	34.8582
8 h after dark	17.016866666666665	13.9645	20.3672
12 h after dark	13.5579	11.4554	15.8776