condition	mean	min	max
4 h after light	2.6211	2.36497	2.87723
8 h after light	3.12566	2.99488	3.25644
12 h after light	2.686785	2.54532	2.82825
4 h after dark	3.068493333333333	2.67832	3.81098
8 h after dark	2.13243	1.84104	2.51781
12 h after dark	2.265893333333333	1.86891	2.89877