condition	mean	min	max
4 h after light	4.7724166666666665	4.67357	4.9130400000000005
8 h after light	4.849349999999999	4.66977	5.07032
12 h after light	4.737123333333333	4.6778699999999995	4.81731
4 h after dark	4.601563333333333	4.41332	4.82413
8 h after dark	4.59717	4.44027	4.67715
12 h after dark	4.72982	4.510190000000001	4.85126