condition	mean	min	max
4 h after light	4.086695000000001	3.71776	4.45563
8 h after light	4.08001	3.80139	4.35863
12 h after light	8.39525	8.37353	8.41697
4 h after dark	10.188199999999998	10.1878	10.1886
8 h after dark	9.46584	9.12901	9.80267
12 h after dark	6.7642500000000005	6.49983	7.02867