condition	mean	min	max
4 h after light	1.81263	1.04772	2.63822
8 h after light	1.5511033333333335	0.36301	2.74406
12 h after light	1.655915	0.867335	2.72427
4 h after dark	2.16102	1.77265	2.51541
8 h after dark	1.44501	1.05791	1.97282
12 h after dark	1.303368	0.886594	1.68666