condition mean min max 4 h after light 2.7331856666666665 2.6824779999999997 2.795362 8 h after light 2.433374 2.318108 2.519368 12 h after light 2.5045416666666664 1.9642099999999998 3.3506370000000003 16 h after light 2.7369316666666665 2.299618 3.2887519999999997 4 h after dark 4.384448 2.021532 6.888338 8 h after dark 5.217621666666667 4.1825470000000005 5.760153