condition	mean	min	max
0 h after light	7.5682	7.34767	7.78873
4 h after light	5.515015	5.04919	5.98084
8 h after light	5.00595	4.34854	5.66336
4 h after dark	7.357139999999999	7.13244	7.58184
8 h after dark	7.901674999999999	7.65727	8.14608
12 h after dark	6.63097	6.00946	7.25248