condition	mean	min	max
0 h after light	1.94282	1.55259	2.33305
4 h after light	1.59605	1.4062	1.7859
8 h after light	1.301005	1.10937	1.49264
4 h after dark	2.07883	1.70097	2.45669
8 h after dark	1.875	1.45633	2.29367
12 h after dark	2.16841	1.80893	2.52789