condition	mean	min	max
4 h after light	3.83984	3.83544	3.8441
8 h after light	3.8424533333333333	3.82869	3.86268
12 h after light	3.8442266666666667	3.73306	3.94109
4 h after dark	3.81935	3.7383800000000003	3.88421
8 h after dark	3.802433333333333	3.76399	3.8608
12 h after dark	3.80117	3.7853800000000004	3.82542