condition mean min max 3 h after light 1.8174058333333334 1.08301 2.49722 7 h after light 1.6932488333333333 0.986846 2.8216 11 h after light 1.885554 0.801988 3.15764 2 h after dark 2.3986 1.83673 3.74585 6 h after dark 2.571905833333333 1.53415 4.04579 10 h after dark 2.1750058333333335 1.23144 3.27362