condition mean min max 0 h after light 0.650998 0.458998 0.842998 4 h after light 0.6122259999999999 0.545632 0.67882 8 h after light 3.5668300000000004 2.11917 5.01449 4 h after dark 1.019913 0.531236 1.50859 8 h after dark 0.454596 0.301371 0.607821 12 h after dark 0.455885 0.224198 0.687572