condition	mean	min	max
4 h after light	6.1416900000000005	4.89044	7.39294
8 h after light	6.241070000000001	5.66772	6.81442
12 h after light	7.6121550000000004	6.88635	8.33796
4 h after dark	5.813485	5.37048	6.25649
8 h after dark	3.311445	3.00524	3.61765
12 h after dark	3.98789	3.76973	4.20605