condition	mean	min	max
4 h after light	2.003645	1.74387	2.26342
8 h after light	2.770585	2.45603	3.08514
12 h after light	3.342485	3.18053	3.50444
4 h after dark	4.566625	4.15868	4.97457
8 h after dark	3.522945	3.24884	3.79705
12 h after dark	2.8295500000000002	2.65946	2.99964