condition mean min max 0 h after light 0.238096 0.176261 0.299931 4 h after light 0.233855 0.210851 0.256859 8 h after light 0.6490134999999999 0.518017 0.78001 4 h after dark 0.24451299999999998 0.226228 0.262798 8 h after dark 0.501035 0.280215 0.721855 12 h after dark 0.1414634 0.0435668 0.23936