condition mean min max 4 h after light 278.1988225 271.780973 284.616672 8 h after light 337.764459 308.30898 367.219938 12 h after light 398.924612 310.014572 487.834652 4 h after dark 419.26436349999994 372.291798 466.236929 8 h after dark 364.573006 340.670358 388.475654 12 h after dark 432.017851 432.017851 432.017851