condition	mean	min	max
4 h after light	4.497013333333333	4.16784	4.7687800000000005
8 h after light	4.47122	4.29105	4.6931
12 h after light	4.503316666666667	4.27304	4.79524
4 h after dark	4.36148	3.90648	4.68317
8 h after dark	4.29468	3.97569	4.4962
12 h after dark	4.595126666666666	4.37903	4.799519999999999