condition	mean	min	max
4 h after light	2.80082	2.46535	3.13629
8 h after light	1.973535	1.91401	2.03306
12 h after light	2.41198	2.40574	2.41822
4 h after dark	2.697395	2.5716	2.82319
8 h after dark	3.89189	3.65426	4.12952
12 h after dark	3.98144	3.68746	4.27542