condition mean min max 3 h after light 0.68130775 0.412044 1.19174 7 h after light 0.7306201666666666 0.405495 1.1909 11 h after light 0.9078495833333333 0.343835 1.43086 2 h after dark 0.5586249166666667 0.206256 1.06186 6 h after dark 0.71260125 0.406302 1.25525 10 h after dark 0.519067 0.136949 0.974939