condition	mean	min	max
0 h after light	12.09865	11.8767	12.3206
4 h after light	7.32775	6.051	8.6045
8 h after light	6.6679949999999995	6.20587	7.13012
4 h after dark	8.794595000000001	8.39639	9.1928
8 h after dark	9.465505	9.38685	9.54416
12 h after dark	9.936150000000001	8.628	11.2443