condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.175095 0.0 1.05057 10 h after light 0.6435983333333334 0.0 3.86159 14 h after light 1.4048116666666668 0.0 4.36505 18 h after light 0.845955 0.0 5.07573 2 h after dark 0.0 0.0 0.0