condition mean min max 0 h after light 4.031145 3.87297 4.18932 4 h after light 3.41775 3.37343 3.46207 8 h after light 4.663304999999999 4.51343 4.81318 4 h after dark 5.366054999999999 5.31818 5.41393 8 h after dark 5.6749600000000004 5.64002 5.7099 12 h after dark 3.7753449999999997 3.51184 4.03885