condition	mean	min	max
4 h after light	4.408173333333333	1.56813	6.1041
8 h after light	4.36676	1.79789	6.6881
12 h after light	5.005413333333333	2.89658	7.52944
4 h after dark	6.99008	5.8429	7.62703
8 h after dark	6.906513333333333	5.50198	7.73548
12 h after dark	6.2561	4.30447	8.49516