condition	mean	min	max
0 h after light	0.974596	0.599012	1.35018
4 h after light	3.607765	3.24826	3.96727
8 h after light	3.46543	2.81499	4.11587
4 h after dark	3.242075	3.23568	3.24847
8 h after dark	6.883675	6.09797	7.66938
12 h after dark	2.94543	1.79462	4.09624