condition	mean	min	max
0 h after light	14.55565	14.34	14.7713
4 h after light	4.134175	3.30311	4.96524
8 h after light	5.344925	5.11545	5.5744
4 h after dark	8.01712	7.958	8.07624
8 h after dark	9.63844	9.52828	9.7486
12 h after dark	8.96081	7.88452	10.0371