condition	mean	min	max
4 h after light	30.478125	3.68405	57.2722
8 h after light	6.00826	6.00028	6.01624
12 h after light	5.67505	1.97002	9.38008
4 h after dark	1.40801	1.03965	1.77637
8 h after dark	3.50964	3.21838	3.8009
12 h after dark	3.65053	2.02244	5.27862