condition	mean	min	max
4 h after light	14.484300000000001	14.0797	14.8889
8 h after light	16.350099999999998	15.4286	17.2716
12 h after light	16.4087	15.4394	17.378
4 h after dark	17.67455	16.043	19.3061
8 h after dark	19.0169	18.8707	19.1631
12 h after dark	16.681849999999997	16.1649	17.1988