condition	mean	min	max
4 h after light	10.765053333333334	7.55236	12.5845
8 h after light	11.325493333333334	2.24958	18.8431
12 h after light	13.44441	9.55883	16.4204
4 h after dark	20.1105	16.493	22.5467
8 h after dark	14.422066666666666	11.3624	17.283
12 h after dark	12.6352	11.863	13.905