condition	mean	min	max
4 h after light	3.72651	3.55721	3.89581
8 h after light	3.3293850000000003	3.10602	3.55275
12 h after light	3.646425	3.32181	3.97104
4 h after dark	8.002825	7.1331	8.87255
8 h after dark	10.73015	10.7006	10.7597
12 h after dark	9.489090000000001	9.21643	9.76175