condition	mean	min	max
4 h after light	17.860725	15.804514	19.916936
8 h after light	14.7194915	14.416271	15.022712
12 h after light	15.061148	13.640144	16.482152
4 h after dark	17.0423935	16.482152	17.602635
8 h after dark	17.377714500000003	16.00934	18.746089
12 h after dark	17.363964	17.363964	17.363964