condition mean min max 3 h after light 4.1516 2.188 5.58789 6 h after light 14.092099999999999 11.5848 18.0266 9 h after light 33.597766666666665 25.9071 45.9179 12 h after light 56.40133333333333 48.1868 65.7978 3 h after dark 39.53843333333334 36.494 44.6514 6 h after dark 14.475466666666666 14.019 15.0648 9 h after dark 5.05157 4.46009 5.76336 12 h after dark 1.55721 1.07195 1.96011