condition	mean	min	max
4 h after light	4.3063	4.26056	4.37518
8 h after light	6.544036666666666	6.35047	6.851839999999999
12 h after light	6.287036666666666	6.12351	6.456230000000001
4 h after dark	6.15054	5.8798900000000005	6.4307099999999995
8 h after dark	5.671596666666667	5.44687	5.80165
12 h after dark	4.46699	4.39328	4.51615