condition	mean	min	max
2 h after light	19.903666666666666	15.5621	25.1738
6 h after light	12.98427	7.89362	18.175
10 h after light	12.80832	8.98764	19.5977
14 h after light	12.438416666666667	10.4268	14.5492
18 h after light	15.01725	12.1244	18.4747
2 h after dark	17.2748	12.4225	20.2745