condition	mean	min	max
4 h after light	2.979425	2.33233	3.62652
8 h after light	3.32945	3.17732	3.48158
12 h after light	3.33962	3.20938	3.46986
4 h after dark	5.778673333333333	5.52739	6.15075
8 h after dark	4.854583333333333	4.78869	4.94054
12 h after dark	4.56355	4.25872	4.92836