condition mean min max 4 h after light 10.557476666666666 10.03559 10.89912 8 h after light 10.535236666666666 9.86063 11.0739 12 h after light 10.52998 10.05317 10.87191 4 h after dark 10.08349 9.512839999999999 10.56992 8 h after dark 10.148446666666667 9.69782 10.41131 12 h after dark 10.059800000000001 9.5242 10.38855