condition mean min max 2 h after light 4.62033 2.65051 7.2011 6 h after light 3.078015 2.00002 4.03054 10 h after light 3.409615 2.67999 5.25003 14 h after light 3.192965 2.59016 4.97059 18 h after light 3.970041666666667 2.35714 5.50493 2 h after dark 5.390418333333333 2.38686 7.76835