condition	mean	min	max
4 h after light	1.328142	0.880844	1.77544
8 h after light	2.07181	1.80612	2.3375
12 h after light	2.60937	2.30582	2.91292
4 h after dark	3.48341	2.97511	3.99171
8 h after dark	2.58352	2.11613	3.05091
12 h after dark	2.3697150000000002	1.99323	2.7462