condition	mean	min	max
4 h after light	3.714575	3.3569	4.07225
8 h after light	4.376405	4.03302	4.71979
12 h after light	4.03726	3.75155	4.32297
4 h after dark	4.86686	4.48503	5.26882
8 h after dark	4.807036666666667	4.61164	5.12414
12 h after dark	4.927143333333333	4.24479	6.08552