condition mean min max 4 h after light 5.285220000000001 4.18993 6.38051 8 h after light 4.1373050000000005 3.48009 4.79452 12 h after light 3.021885 2.93673 3.10704 4 h after dark 4.634123333333333 4.07955 4.97343 8 h after dark 4.09647 3.80037 4.50775 12 h after dark 4.57215 3.24459 5.62144