condition	mean	min	max
4 h after light	13.6222	10.0732	17.1712
8 h after light	12.9866	12.6605	13.3127
12 h after light	18.447850000000003	13.6734	23.2223
4 h after dark	11.41845	11.3928	11.4441
8 h after dark	9.005095	7.76719	10.243
12 h after dark	6.284319999999999	5.84582	6.72282