condition	mean	min	max
4 h after light	4.860013333333334	4.81489	4.90969
8 h after light	4.91356	4.84813	5.0372900000000005
12 h after light	4.80801	4.754980000000001	4.8373099999999996
4 h after dark	5.012196666666666	4.91889	5.1126
8 h after dark	4.950093333333333	4.89958	4.98181
12 h after dark	4.940383333333333	4.81911	5.0553099999999995