MON YEAR UVI CLD  UVI CLR  OZONE  CLD_MAX CLR_MAX  OZ_MAX CLD_MIN CLR_MIN  OZ_MIN
  1 1999    7.15    7.15   256.8    8.06    8.06   274.5    6.31    6.31   240.8
  2 1999    9.13    9.13   260.7   11.39   11.39   279.3    7.31    7.31   228.1
  3 1999   11.21   11.21   259.6   12.81   12.81   289.4    9.78    9.78   237.7
  4 1999   11.90   11.90   273.6   13.33   13.33   297.5   10.92   10.92   247.2
  5 1999   12.65   12.65   264.9   15.00   15.00   301.5   10.66   10.66   227.8
  6 1999   11.06   11.24   287.8   12.46   12.46   325.2    7.84    9.70   265.1
  7 1999   11.53   11.53   282.2   12.48   12.48   302.7   10.52   10.52   263.4
  8 1999   11.76   11.76   276.8   12.84   12.84   297.6   10.85   10.85   254.1
  9 1999   11.16   11.16   270.0   12.64   12.64   284.6    9.76    9.76   243.0
 10 1999    9.68    9.68   256.7   11.42   11.42   280.3    8.48    8.48   221.9
 11 1999    7.71    7.71   251.3    8.57    8.57   269.9    6.59    6.59   228.2
 12 1999    6.57    6.57   256.9    7.50    7.50   279.2    5.91    5.91   232.9