condition	mean	min	max
4 h after light	6.4764800000000005	4.91332	8.03964
8 h after light	7.764775	7.74295	7.7866
12 h after light	13.0475	11.8992	14.1958
4 h after dark	13.2485	12.6352	13.7478
8 h after dark	13.582166666666668	13.1361	14.138
12 h after dark	9.27384	8.94756	9.72683