condition	mean	min	max
4 h after light	1.85039	1.21655	2.4966
8 h after light	1.48315	0.32092	2.87697
12 h after light	2.4718766666666667	1.27213	3.49626
4 h after dark	2.90352	2.65354	3.12939
8 h after dark	3.0587	1.8568	4.1809
12 h after dark	3.440166666666667	2.20586	4.94972