condition	mean	min	max
4 h after light	8.795402	8.134965	9.455839
8 h after light	7.7001085	7.579762	7.820455
12 h after light	8.000871	7.468185	8.533557
4 h after dark	8.206109	8.206109	8.206109
8 h after dark	8.408660000000001	8.206109	8.611211
12 h after dark	8.206109	8.206109	8.206109