1968    -999    -999      25      23      67      85      86      85      86      83      70      15
1969      18      22      27      39      59    -999    -999      87      87      87      83      54
1970       9      13      25      34      74      69    -999      64      81      79      70      12
1971    -999    -999      26      52      77      74      82      86      87      86      83      23
1972      12      15      19      54      53    -999    -999      86      88      84      84    -999
1973      13      13      15      56    -999    -999    -999      78      81      83      71      40
1974      14      22      20      43      44      75      67      72      74      76      73      23
1975      15      15      19      32      60      79      83      82      83      82      74      32
1976      13      14    -999      26      72      67    -999      90      88      85      80      31
1977      15      13      12      43      75    -999      86      86      83      84      81      66
2002    -999    -999    -999    -999    -999    -999    -999    -999    -999    -999    -999    65.4
2003    17.6    17.8    24.7    -999    -999    -999    -999    -999    -999    -999    -999    -999