condition	mean	min	max
4 h after light	9.03834	7.98988	10.0868
8 h after light	6.6045750000000005	3.91665	9.2925
12 h after light	11.846	10.3641	13.3279
4 h after dark	15.8262	13.1195	17.5618
8 h after dark	8.632103333333333	7.01504	10.1635
12 h after dark	9.173113333333333	6.21214	10.8518