condition	mean	min	max
4 h after light	8.897836	8.897836	8.897836
8 h after light	9.597798000000001	8.681379	10.514217
12 h after light	8.3251955	8.030383	8.620008
4 h after dark	8.672291	8.446746	8.897836
8 h after dark	9.117978	8.773585	9.462371
12 h after dark	8.05703	8.05703	8.05703