condition mean min max 2 h after light 0.4704965 0.173269 0.893501 6 h after light 0.8836686666666667 0.240813 1.862 10 h after light 1.5547615000000001 0.796319 3.56943 14 h after light 1.4163736666666666 0.251548 4.07547 18 h after light 0.7963298333333333 0.162932 2.44179 2 h after dark 0.6456615 0.252194 1.7261