condition mean min max 0 h after light 8.274610000000001 6.26522 10.284 2 h after light 6.55715 5.59279 7.52151 4 h after light 4.35572 3.9078 4.80364 8 h after light 2.366545 1.9784 2.75469 12 h after light 5.93055 4.92186 6.93924 2 h after dark 3.9474799999999997 3.68001 4.21495 4 h after dark 4.2535050000000005 4.11383 4.39318 8 h after dark 7.789765000000001 6.99762 8.58191 12 h after dark 9.09155 8.97911 9.20399