condition	mean	min	max
4 h after light	6.106529999999999	4.86025	7.35281
8 h after light	6.692095	6.32656	7.05763
12 h after light	9.144359999999999	8.47503	9.81369
4 h after dark	11.138133333333334	10.5044	11.5069
8 h after dark	10.796833333333334	10.2634	11.7446
12 h after dark	8.171636666666668	7.56557	8.59486