condition	mean	min	max
4 h after light	13.48365	11.8282	15.1391
8 h after light	17.0024	16.4273	17.5775
12 h after light	14.79055	13.5898	15.9913
4 h after dark	13.412099999999999	13.1082	13.716
8 h after dark	13.6723	12.5831	14.7615
12 h after dark	13.738150000000001	13.5154	13.9609