condition mean min max 0 h after light 3.812105 3.79928 3.82493 2 h after light 1.5934599999999999 1.40964 1.77728 4 h after light 1.8833 1.58622 2.18038 8 h after light 2.0487849999999996 2.02676 2.07081 12 h after light 4.545285 4.49745 4.59312 2 h after dark 4.836385 4.67197 5.0008 4 h after dark 4.72804 4.19258 5.2635 8 h after dark 5.03874 4.39202 5.68546 12 h after dark 4.296395 3.93644 4.65635