condition	mean	min	max
4 h after light	4.852086666666667	4.79488	4.8907099999999994
8 h after light	4.77699	4.75024	4.79818
12 h after light	4.74882	4.70759	4.7781
4 h after dark	4.7364500000000005	4.65718	4.83943
8 h after dark	4.81878	4.78199	4.8387
12 h after dark	4.94068	4.77701	5.18918