condition	mean	min	max
4 h after light	1.258535	1.0408	1.47627
8 h after light	0.6466565	0.632326	0.660987
12 h after light	0.626822	0.407928	0.845716
4 h after dark	3.064388	0.954396	5.17438
8 h after dark	2.044575	1.91951	2.16964
12 h after dark	1.466413	0.895146	2.03768