condition	mean	min	max
4 h after light	17.9955	17.4849	18.5061
8 h after light	5.752140000000001	5.6665	5.83778
12 h after light	2.24069	1.77451	2.70687
4 h after dark	0.936768	0.865386	1.00815
8 h after dark	0.69679	0.616327	0.777253
12 h after dark	5.210935	5.20338	5.21849