condition	mean	min	max
4 h after light	5.84866	5.6937	6.00362
8 h after light	3.906025	3.42474	4.38731
12 h after light	4.79289	3.64515	5.94063
4 h after dark	6.3468	5.85871	6.83489
8 h after dark	6.545705	6.28388	6.80753
12 h after dark	7.793545	7.73743	7.84966