109                     Rila monastery                          precipitation
        jan     feb     mar     apr     may     june    july    aug     sep     oct     nov     dec
1961   1000   1000    1000    1000    1000     1000   1000    1000     1000   1000     1000    1000
1962   1000   1000    1000    1000    1000     1000   1000    1000     1000   1000     1000    1000
1963   1000   1000    1000    1000    1000     1000   1000    1000     1000   1000     1000    1000
1964   1000   1000    1000    1000    1000     1000   1000    1000     1000   1000     1000    1000
1965   1000   1000    1000    1000    1000     1000   1000    1000     1000   1000     1000    1000
1966   1000   1000    1000    1000    1000     1000   1000    1000     1000   1000     1000    1000
1967   1000   1000    1000    1000    1000     1000   1000    1000     1000   1000     1000    1000
1968   1000   1000    1000    1000    1000     1000   1000    1000     1000   1000     1000    1000
1969   1000   1000    1000    1000    1000     1000   1000    1000     1000   1000     1000    1000
1970   1000   1000    1000    1000    1000     1000   1000    1000     1000   1000     1000    1000
1971    64      23      100     48      115     76      58      38      89      28      44      21
1972    44      25      3       71      92      30      81      116     170     179     53     1000
1973    46      60      26      127     80      54      76      56      76      46      43      76
1974    53      42      22      60      223     140     79      58      60      130     90      44
1975    21      11      43      55      92      155     80      51      46      80      66      29
1976    50      29      35      105     143     183     166     65      45      76      126     114
1977    57      76      48      48      126     158     98      20      52      12      79      29
1978    56      69      87      77      145     89      30      14      119     8       17      76
1979    80    1000    1000      59      51      50    1000    1000     1000   1000     1000    1000
1980   1000   1000    1000    1000    1000     1000   1000    1000     1000   1000     1000    1000
1981   1000   1000    1000    1000    1000     1000     50      97      12      46      81      133
1982    38      27      37      54      54      62      62      77      30      34      108     129
1983    39      50      27      69      74      150     119     25      35      26      55      30
1984    65      60      97      46      92      15      22      62      64      15      35      31
1985    97      62      70      74      71      78      41      96      27      17      170     24
1986    90      121     52      40      80      56      73      54      13      13      5       40
1987    140     41      52      93      121     57      53      48      43      60      73      96
1988    18      114     114     71      42      203     3       10      66      30      69      49
1989    7       35      28      65      83      109     48      64      88      45      92      45
1990    14      33      22      98      32      43      25      39      22      63      33      131