condition	mean	min	max
4 h after light	2.26269	2.20077	2.32461
8 h after light	2.89184	2.85025	2.93343
12 h after light	3.6778649999999997	3.44215	3.91358
4 h after dark	2.52983	1.74406	3.3156
8 h after dark	2.436135	2.25688	2.61539
12 h after dark	3.260055	2.84747	3.67264