98              h.Gotze Deltchev                                        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    89      99      101     70      22      41      32      42      37     1000     51      308
1970    86      86      95      78      95      57      100     10      17      102     25      41
1971    111     61      103     45      65      38      82      42      103     29      31      69
1972    70      41      36      132     69      38      78      92      153     205     23     1000
1973    21      86      51      59      41      40      75      64      66      28      56      62
1974    14      82      44      54      150     87      27      32      46      211     18      25
1975    4       26      3       130     99      169     84      75      20      96      65      18
1976    14      26      38      14      189     137     150     46      6       25      117     126
1977    35      37      26      40      98      97      46      12      54      5       67      20
1978    40      119     20      49      119     14      34      45      89      45      39      69
1979    70      30      2       84      72      14      17      39      8       26      14      32
1980   1000     14      72      33      97      7     1000    1000    1000      78    1000    1000
1981   1000     60      14      26      14      51    1000    1000    1000    1000    1000    1000
1982   1000    1000   1000    1000      41      15      12      6       12      5       33      83
1983    20      47      21      42      44      169     111     53      24      3       107     106
1984    81      116     139     24      34      16      9       57      21      2       26      63
1985    43      18      25      29      38      21      28      32      24      4       73      13
1986    124     100     30      44      116     89      50      12      9       44      22      57
1987    78      46      0       38      27      0       14    1000    1000    1000      43      19
1988    13      85      38      30      20      58      0       5       10      27      71      78
1989    10      27      60      47      68      110     80      6       10      44      6       27
1990    0       0       7       24      32      30      22      28      18      59      19      244