condition	mean	min	max
0 h after light	12.7103	12.2181	13.2025
4 h after light	12.16825	10.545	13.7915
8 h after light	16.7526	15.8751	17.6301
4 h after dark	19.802799999999998	19.7914	19.8142
8 h after dark	16.0592	15.4223	16.6961
12 h after dark	10.965475	9.95895	11.972