condition mean min max 0 h after light 7.17745 6.20843 8.14647 4 h after light 3.5724549999999997 2.78823 4.35668 8 h after light 4.286885 4.24939 4.32438 4 h after dark 4.44466 3.04258 5.84674 8 h after dark 6.986935 6.1977 7.77617 12 h after dark 4.121335 3.29262 4.95005