condition	mean	min	max
4 h after light	2.64839	2.49911	2.79767
8 h after light	1.89453	1.73832	2.05074
12 h after light	2.22988	2.01857	2.44119
4 h after dark	2.74812	2.61434	2.8819
8 h after dark	1.9097399999999998	1.48654	2.33294
12 h after dark	2.7059550000000003	2.48626	2.92565