condition	mean	min	max
4 h after light	4.369485	4.09039	4.64858
8 h after light	3.142215	2.97414	3.31029
12 h after light	3.396845	3.24258	3.55111
4 h after dark	4.724215	4.28379	5.16464
8 h after dark	4.7504349999999995	4.55856	4.94231
12 h after dark	4.65749	4.60952	4.70546