condition	mean	min	max
0 h after light	3.032905	2.88105	3.18476
4 h after light	3.83645	3.70591	3.96699
8 h after light	1.622035	1.47432	1.76975
4 h after dark	2.2977350000000003	2.14656	2.44891
8 h after dark	3.8073300000000003	3.79874	3.81592
12 h after dark	4.019655	3.72049	4.31882