condition	mean	min	max
0 h after light	9.330770000000001	8.77361	9.88793
4 h after light	10.47115	8.6503	12.292
8 h after light	6.6041799999999995	6.51011	6.69825
4 h after dark	9.176655	7.53971	10.8136
8 h after dark	11.395815	9.72103	13.0706
12 h after dark	9.77355	7.4996	12.0475