condition mean min max 4 h after light 1.6449259999999999 0.295152 2.9947 8 h after light 2.7464199999999996 2.68959 2.80325 12 h after light 1.188438 0.681366 1.69551 4 h after dark 0.2817136666666667 0.192357 0.329689 8 h after dark 0.456174 0.39933 0.512767 12 h after dark 1.1887366666666668 0.0 2.3713