condition mean min max 3 h after light 2.5984233333333333 2.44813 2.87685 6 h after light 3.03415 1.85512 3.8419 9 h after light 6.976546666666667 4.75903 10.3337 12 h after light 8.449695 2.31281 11.6256 3 h after dark 12.913699999999999 12.2313 13.4119 6 h after dark 6.262286666666666 5.50048 7.01355 9 h after dark 2.6577633333333335 2.02899 3.57839 12 h after dark 0.8135924999999999 0.375185 1.252