condition	mean	min	max
4 h after light	3.193905	2.96542	3.42239
8 h after light	2.93567	2.88998	2.98136
12 h after light	5.17937	4.49201	5.86673
4 h after dark	5.602615	5.20194	6.00329
8 h after dark	4.66849	4.44994	4.88704
12 h after dark	3.35225	3.29023	3.41427