condition	mean	min	max
0 h after light	3.222845	1.4874	4.95829
4 h after light	4.9530449999999995	4.53854	5.36755
8 h after light	18.07715	14.61	21.5443
4 h after dark	14.84842	8.30974	21.3871
8 h after dark	9.291985	7.37307	11.2109
12 h after dark	3.663815	3.45975	3.86788