condition	mean	min	max
0 h after light	10.23581	9.65812	10.8135
4 h after light	6.988175	6.80794	7.16841
8 h after light	7.18234	6.63099	7.73369
4 h after dark	9.871690000000001	9.76295	9.98043
8 h after dark	8.380845	7.05717	9.70452
12 h after dark	7.40751	6.61823	8.19679