condition	mean	min	max
4 h after light	8.90441	8.70785	9.10097
8 h after light	7.539854999999999	7.4338	7.64591
12 h after light	7.725524999999999	7.42612	8.02493
4 h after dark	10.238150000000001	10.0017	10.4746
8 h after dark	9.569849999999999	8.7555	10.3842
12 h after dark	9.211165000000001	9.14802	9.27431