condition	mean	min	max
0 h after light	9.215135	8.98217	9.4481
4 h after light	11.50135	10.0233	12.9794
8 h after light	8.89741	8.46321	9.33161
4 h after dark	10.950545	9.82409	12.077
8 h after dark	13.3675	12.9076	13.8274
12 h after dark	10.34859	9.01088	11.6863