condition	mean	min	max
0 h after light	7.04103	7.03475	7.04731
4 h after light	4.431505	4.34418	4.51883
8 h after light	4.54417	4.44847	4.63987
4 h after dark	6.004535	5.83282	6.17625
8 h after dark	5.848235	5.29299	6.40348
12 h after dark	5.93241	4.94596	6.91886