condition	mean	min	max
0 h after light	9.1475	8.67424	9.62076
4 h after light	11.582	10.5377	12.6263
8 h after light	8.852450000000001	8.35683	9.34807
4 h after dark	6.55657	5.47664	7.6365
8 h after dark	7.7380700000000004	7.32261	8.15353
12 h after dark	6.505215	6.20411	6.80632