condition	mean	min	max
0 h after light	9.126425000000001	9.01145	9.2414
4 h after light	5.41628	5.29613	5.53643
8 h after light	3.321445	3.14428	3.49861
4 h after dark	6.963785	5.20182	8.72575
8 h after dark	6.331325	4.89241	7.77024
12 h after dark	6.6931	5.94627	7.43993