condition	mean	min	max
0 h after light	3.311395	3.26429	3.3585
4 h after light	1.319309	0.898938	1.73968
8 h after light	1.19347	1.07768	1.30926
4 h after dark	4.210095	3.91453	4.50566
8 h after dark	3.403345	3.30181	3.50488
12 h after dark	2.8806149999999997	2.41322	3.34801