condition	mean	min	max
4 h after light	2.59176	1.87852	3.305
8 h after light	3.167875	2.87106	3.46469
12 h after light	3.28952	3.23004	3.349
4 h after dark	3.9126433333333335	3.71504	4.05197
8 h after dark	3.645966666666667	3.2427	3.93878
12 h after dark	2.9599800000000003	2.73077	3.28682