condition	mean	min	max
4 h after light	1.84046	1.68025	2.00067
8 h after light	2.883115	2.7713	2.99493
12 h after light	5.47222	5.38688	5.55756
4 h after dark	6.70275	6.60449	6.80101
8 h after dark	5.391705	4.83553	5.94788
12 h after dark	2.70001	2.69574	2.70428