condition	mean	min	max
2 h after light	21.427983333333334	19.1709	23.5727
6 h after light	19.445866666666667	14.7814	22.9462
10 h after light	14.879150000000001	12.3663	17.9111
14 h after light	15.978366666666666	11.5155	20.5016
18 h after light	17.91285	12.6167	21.3566
2 h after dark	17.348399999999998	13.7728	20.3206