condition mean min max 4 h after light 3.3345149999999997 3.25312 3.41591 8 h after light 3.44359 3.1749 3.71228 12 h after light 3.9907500000000002 3.88625 4.09525 4 h after dark 6.6823250000000005 6.30836 7.05629 8 h after dark 5.311395 5.23464 5.38815 12 h after dark 5.047230000000001 4.50764 5.58682