condition	mean	min	max
4 h after light	8.855725	8.49651	9.21494
8 h after light	12.113949999999999	12.0067	12.2212
12 h after light	9.981275	8.81785	11.1447
4 h after dark	9.59282	9.18833	9.99731
8 h after dark	9.210265	8.74323	9.6773
12 h after dark	8.15304	7.50379	8.80229