condition	mean	min	max
4 h after light	2.50018	1.31536	3.57334
8 h after light	2.325544	0.918652	3.17555
12 h after light	3.46318	2.44667	4.28925
4 h after dark	7.432063333333334	6.98377	8.28621
8 h after dark	6.692846666666667	5.24058	7.80672
12 h after dark	4.85497	3.14864	5.96362