condition mean min max 0 h after light 6.692159999999999 6.44553 6.93879 2 h after light 7.743155 7.24306 8.24325 4 h after light 8.476105 8.29595 8.65626 8 h after light 10.3966 9.0876 11.7056 12 h after light 7.227745 6.58618 7.86931 2 h after dark 7.4193750000000005 6.58731 8.25144 4 h after dark 6.56475 6.14112 6.98838 8 h after dark 8.462444999999999 7.72087 9.20402 12 h after dark 7.849855 7.29906 8.40065