condition	mean	min	max
4 h after light	3.81294	3.58433	4.04155
8 h after light	3.252595	3.10202	3.40317
12 h after light	3.29575	3.06308	3.52842
4 h after dark	3.95357	3.6094	4.29774
8 h after dark	5.01257	4.19951	5.82563
12 h after dark	4.359095	3.68451	5.03368