condition	mean	min	max
4 h after light	2.1170600000000004	2.10639	2.12773
8 h after light	6.7730049999999995	6.44201	7.104
12 h after light	15.26175	14.9195	15.604
4 h after dark	26.4422	26.1285	26.7559
8 h after dark	3.7231300000000003	3.37504	4.07122
12 h after dark	1.8715549999999999	1.79979	1.94332