condition	mean	min	max
4 h after light	3.329365	3.24244	3.41629
8 h after light	2.919925	2.85813	2.98172
12 h after light	3.664545	3.52743	3.80166
4 h after dark	4.716105	3.8119	5.62031
8 h after dark	4.80645	4.69952	4.91338
12 h after dark	4.181755	3.96118	4.40233