condition mean min max 3 h after light 1.2743733333333334 0.95792 1.84798 6 h after light 1.9459 1.22044 2.85782 9 h after light 2.730383333333333 2.59697 2.82087 12 h after light 3.451605 2.63469 3.94392 3 h after dark 11.981033333333333 11.1092 13.2624 6 h after dark 8.40247 7.37917 10.1748 9 h after dark 5.595113333333333 4.73067 6.53637 12 h after dark 4.447850000000001 4.17644 4.71926