condition	mean	min	max
4 h after light	2.063812	0.874374	3.25325
8 h after light	1.359495	1.29069	1.4283
12 h after light	1.31522	1.2221	1.40834
4 h after dark	1.59862	1.20819	1.94689
8 h after dark	2.668773333333333	2.56922	2.73091
12 h after dark	3.6846566666666667	2.2644	5.73739