condition	mean	min	max
4 h after light	6.155025	5.91347	6.39658
8 h after light	5.009255	4.98888	5.02963
12 h after light	6.9707349999999995	6.25321	7.68826
4 h after dark	7.62668	6.3754	8.56668
8 h after dark	8.11707	7.87123	8.28023
12 h after dark	6.77613	6.59912	7.09103