STP navigation bar go to Solar-Terrestrial Physics go to the Space Physics Interactive Data Resource (SPIDR) go to Solar and Interplanetary Phenomena, Flares, Cosmic Rays, Solar Publications go to the NOAA Polar Orbiting Environmental Satellite (POES) Space Environment Monitor go to Ionosphere data go to the Geospatial Operational Environmental Satellite (GOES) Solar X-ray Imager go to the Geospatial Operational Environmental Satellite (GOES) Space Environment Monitor go to Magnetism of the Earth and the Sun-Earth environment go to the Defense Meteorological Satellite Program (DMSP) data and imagery

Ionospheric Indices 1994 - 1957

                                   P  = Provisional Value
                                  ( ) = Predicted Value
        
        Year      Month            R12            IF2         IG        SSNe    
        --------+---------+-----------------+------------+----------+-------------
         1994   |  12     |       (28)      |            |          |(These Data |
         1994   |  11     |       (28)      |            |          |  Supplied  |
         1994   |  10     |       (28)      |            |          | on Request)|
         1994   |   9     |       (28)      |            |          |            |
         1994   |   8     |       (28)      |      14P   |    24P   |            |
         1994   |   7     |       (30)      |      24P   |    29P   |            |
         1994   |   6     |       (32)      |      13P   |    25P   |            |
         1994   |   5     |       (33)      |       7P   |    22P   |            |
         1994   |   4     |       (33)      |      19P   |    31P   |            |
         1994   |   3     |        33P      |      40P   |    37P   |            |
         1994   |   2     |        35P      |      26P   |    36P   |            |
         1994   |   1     |        37P      |      38P   |    50P   |            |
         1993   |  12     |        39       |      30P   |    39P   |            |
         1993   |  11     |        41       |      31P   |    33P   |            |
         1993   |  10     |        45       |      36P   |    43P   |            |
         1993   |   9     |        49       |      26P   |    38P   |            |
         1993   |   8     |        52       |      53P   |    56P   |            |
         1993   |   7     |        55       |      53P   |    59P   |            |
         1993   |   6     |        55       |      63P   |    64P   |            |
         1993   |   5     |        59       |      56P   |    58P   |            |
         1993   |   4     |        63       |      71P   |    71P   |            |
         1993   |   3     |        66       |      78P   |    93P   |            |
         1993   |   2     |        69       |      66P   |    82P   |            |
         1993   |   1     |        71       |      50P   |    69P   |            |
         1992   |  12     |        73       |      91P   |   101P   |            |
         1992   |  11     |        74       |      80P   |    87P   |            |
         1992   |  10     |        76       |      85P   |    81P   |            |
         1992   |   9     |        79       |      67P   |    77P   |            |
         1992   |   8     |        84       |      74P   |    81P   |            |
         1992   |   7     |        90       |      89P   |    99P   |            |
         1992   |   6     |        97       |      78P   |    75P   |            |
         1992   |   5     |       100       |     105P   |    98P   |            |
         1992   |   4     |       103       |     143P   |   129P   |            |
         1992   |   3     |       108       |     149P   |   166P   |            |
         1992   |   2     |       115       |     158P   |   169P   |            |
         1992   |   1     |       123       |     139P   |   167P   |            |
         1991   |  12     |       131.7     |     137P   |   137P   |            |
         1991   |  11     |       138.1     |     127P   |   125P   |            |
         1991   |  10     |       141.7     |     160P   |   141P   |            |
         1991   |   9     |       144.9     |     166P   |   144P   |            |
         1991   |   8     |       146.6     |     146P   |   139P   |            |
         1991   |   7     |       146.3     |     143P   |   156P   |            |
         1991   |   6     |       145.2     |     141P   |   139P   |            |
         1991   |   5     |       145.5     |     164P   |   149P   |            |
         1991   |   4     |       146.5     |     170P   |   148P   |            |
         1991   |   3     |       146.6     |     157P   |   160P   |            |
         1991   |   2     |       147.6     |     145P   |   160P   |            |
         1991   |   1     |       147.6     |     143P   |   154P   |            |
         1990   |  12     |       143.9     |     150P   |   145P   |            |
         1990   |  11     |       141.7     |     133P   |   128P   |            |
         1990   |  10     |       142.1     |     146P   |   137P   |            |
         1990   |   9     |       142.1     |     157P   |   142P   |            |
         1990   |   8     |       140.5     |     155P   |   152P   |            |
         1990   |   7     |       140.6     |     139P   |   143P   |            |
         1990   |   6     |       143.8     |     138P   |   141P   |            |
         1990   |   5     |       147.0     |     153P   |   136P   |            |
         1990   |   4     |       149.3     |     147P   |   130P   |            |
         1990   |   3     |       152.0     |     139P   |   145P   |            |
         1990   |   2     |       152.9     |     111P   |   121P   |            |
         1990   |   1     |       150.6     |     139P   |   156P   |            |
         1989   |  12     |       153.5     |     151P   |   148P   |            |
         1989   |  11     |       157.5     |     162P   |   151P   |            |
         1989   |  10     |       157.4     |     173P   |   156P   |            |
         1989   |   9     |       156.6     |     168P   |   154P   |            |
         1989   |   8     |       157.7     |     158P   |   152P   |            |
         1989   |   7     |       158.5     |     166P   |   184P   |            |
         1989   |   6     |       158.4     |     167P   |   161P   |            |
         1989   |   5     |       156.9     |     153P   |   145P   |            |
         1989   |   4     |       153.5     |     159P   |   131P   |            |
         1989   |   3     |       149.7     |     146P   |   155P   |            |
         1989   |   2     |       145.0     |     145P   |   138P   |            |
         1989   |   1     |       142.0     |     132P   |   145P   |            |
         1988   |  12     |       137.6     |     138P   |   129P   |            |
         1988   |  11     |       130.4     |     128P   |   124P   |            |
         1988   |  10     |       125.3     |     151P   |   131P   |            |
         1988   |   9     |       121.2     |     126P   |   117P   |            |
         1988   |   8     |       113.7     |     102P   |   105P   |            |
         1988   |   7     |       104.3     |      93P   |    93P   |            |
         1988   |   6     |        93.7     |      86P   |    86P   |            |
         1988   |   5     |        83.8     |      72P   |    69P   |            |
         1988   |   4     |        77.5     |      72P   |    73P   |            |
         1988   |   3     |        71.3     |      51P   |    62P   |            |
         1988   |   2     |        64.6     |      34P   |    44P   |            |
         1988   |   1     |        58.2     |      34P   |    43P   |            |
         1987   |  12     |        51.3     |      20P   |    31P   |            |
         1987   |  11     |        46.7     |      31P   |    34P   |            |
         1987   |  10     |        43.6     |      20P   |    27P   |            |
         1987   |   9     |        39.0     |      15    |     24   |            |
         1987   |   8     |        34.8     |      23    |     31   |            |
         1987   |   7     |        31.2     |       7    |     13   |            |
         1987   |   6     |        28.4     |      15    |     19   |            |
         1987   |   5     |        26.5     |      25    |     23   |            |
         1987   |   4     |        24.4     |      11    |     22   |            |
         1987   |   3     |        22.1     |      -1    |     10   |            |
         1987   |   2     |        19.6     |       3    |     11   |            |
         1987   |   1     |        17.6     |      -7    |     -2   |            |
         1986   |  12     |        16.3     |      -8    |      0   |            |
         1986   |  11     |        14.9     |      -1    |     10   |            |
         1986   |  10     |        13.2     |      -3    |     11   |            |
         1986   |   9     |        12.3     |      -5    |      8   |            |
         1986   |   8     |        13.2     |      -4    |      5   |            |
         1986   |   7     |        13.7     |       4    |      7   |            |
         1986   |   6     |        13.8     |      -8    |      3   |            |
         1986   |   5     |        14.3     |       2    |     10   |            |
         1986   |   4     |        13.7     |       1    |     17   |            |
         1986   |   3     |        13.0     |      10    |     18   |            |
         1986   |   2     |        13.1     |       4    |     13   |            |
         1986   |   1     |        13.8     |       6    |      4   |            |
         1985   |  12     |        15.3     |      -9    |      2   |            |
         1985   |  11     |        16.8     |      -8    |      6   |            |
         1985   |  10     |        17.3     |     -24    |     -3   |            |
         1985   |   9     |        17.3     |      -6    |     10   |            |
         1985   |   8     |        17.1     |       3    |     10   |            |
         1985   |   7     |        17.4     |      10    |     14   |            |
         1985   |   6     |        18.0     |       4    |     13   |            |
         1985   |   5     |        18.3     |       7    |     14   |            |
         1985   |   4     |        18.3     |       1    |     14   |            |
         1985   |   3     |        18.6     |       2    |      6   |            |
         1985   |   2     |        19.6     |       2    |     13   |            |
         1985   |   1     |        20.5     |       8    |      6   |            |
         1984   |  12     |        21.7     |      -6    |      0   |            |
         1984   |  11     |        24.7     |      -8    |      8   |            |
         1984   |  10     |        28.9     |      -1    |     11   |            |
         1984   |   9     |        33.9     |      18    |     33   |            |
         1984   |   8     |        39.6     |      24    |     30   |            |
         1984   |   7     |        44.2     |      44    |     42   |            |
         1984   |   6     |        46.5     |      57    |     56   |            |
         1984   |   5     |        47.5     |      62    |     61   |            |
         1984   |   4     |        49.8     |      71    |     65   |            |
         1984   |   3     |        53.0     |      76    |     81   |            |
         1984   |   2     |        56.4     |      49    |     59   |            |
         1984   |   1     |        60.2     |      33    |     45   |            |
         1983   |  12     |        64.0     |      40    |     42   |            |
         1983   |  11     |        66.8     |      24    |     45   |            |
         1983   |  10     |        68.2     |      72    |     68   |            |
         1983   |   9     |        67.9     |      64    |     64   |            |
         1983   |   8     |        65.8     |      91    |     87   |            |
         1983   |   7     |        65.5     |      80    |     81   |            |
         1983   |   6     |        70.5     |      88    |     84   |            |
         1983   |   5     |        77.1     |      77    |     80   |            |
         1983   |   4     |        81.5     |      74    |     70   |            |
         1983   |   3     |        85.9     |      71    |     78   |            |
         1983   |   2     |        90.3     |      80    |     88   |            |
         1983   |   1     |        92.8     |      94    |    102   |            |
         1982   |  12     |        94.6     |     134    |    128   |            |
         1982   |  11     |        94.7     |     127    |    115   |            |
         1982   |  10     |        95.7     |     144    |    121   |            |
         1982   |   9     |       101.0     |     130    |    116   |            |
         1982   |   8     |       109.4     |     113    |    108   |            |
         1982   |   7     |       115.2     |     102    |    102   |            |
         1982   |   6     |       117.3     |     108    |    110   |            |
         1982   |   5     |       119.9     |     113    |    110   |            |
         1982   |   4     |       124.3     |     134    |    123   |            |
         1982   |   3     |       129.2     |     151    |    168   |            |
         1982   |   2     |       133.3     |     120    |    131   |            |
         1982   |   1     |       137.0     |     136    |    158   |            |
         1981   |  12     |       137.8     |     165    |    154   |            |
         1981   |  11     |       138.9     |     172    |    157   |            |
         1981   |  10     |       142.2     |     181    |    165   |            |
         1981   |   9     |       142.8     |     190    |    178   |            |
         1981   |   8     |       141.1     |     156    |    143   |            |
         1981   |   7     |       140.3     |     134    |    130   |            |
         1981   |   6     |       141.5     |     148    |    146   |            |
         1981   |   5     |       142.9     |     168    |    149   |            |
         1981   |   4     |       143.4     |     172    |    153   |            |
         1981   |   3     |       143.0     |     163    |    170   |            |
         1981   |   2     |       141.5     |     141    |    153   |            |
         1981   |   1     |       140.3     |     130    |    148   |            |
         1980   |  12     |       142.7     |     167    |    158   |            |
         1980   |  11     |       147.7     |     162    |    141   |            |
         1980   |  10     |       150.2     |     180    |    153   |            |
         1980   |   9     |       150.1     |     156    |    147   |            |
         1980   |   8     |       150.3     |     148    |    147   |            |
         1980   |   7     |       152.8     |     155    |    155   |            |
         1980   |   6     |       154.7     |     167    |    162   |            |
         1980   |   5     |       156.3     |     178    |    161   |            |
         1980   |   4     |       158.7     |     154    |    148   |            |
         1980   |   3     |       160.9     |     161    |    178   |            |
         1980   |   2     |       162.6     |     146    |    157   |            |
         1980   |   1     |       163.9     |     148    |    160   |            |
         1979   |  12     |       164.5     |     179    |    165   |            |
         1979   |  11     |       162.3     |     182    |    163   |            |
         1979   |  10     |       157.8     |     186    |    168   |            |
         1979   |   9     |       155.7     |     164    |    153   |            |
         1979   |   8     |       155.4     |     143    |    139   |            |
         1979   |   7     |       155.0     |     137    |    146   |            |
         1979   |   6     |       153.0     |     145    |    147   |            |
         1979   |   5     |       147.2     |     155    |    142   |            |
         1979   |   4     |       141.1     |     156    |    140   |            |
         1979   |   3     |       136.5     |     170    |    182   |            |
         1979   |   2     |       130.9     |     152    |    150   |            |
         1979   |   1     |       123.7     |     136    |    148   |            |
         1978   |  12     |       117.7     |     127    |    130   |            |
         1978   |  11     |       113.3     |     129    |    115   |            |
         1978   |  10     |       111.1     |     145    |    128   |            |
         1978   |   9     |       108.4     |     111    |    109   |            |
         1978   |   8     |       104.0     |      86    |     92   |            |
         1978   |   7     |        97.4     |     114    |    112   |            |
         1978   |   6     |        89.3     |     106    |    104   |            |
         1978   |   5     |        83.2     |     100    |    100   |            |
         1978   |   4     |        76.9     |      99    |     95   |            |
         1978   |   3     |        69.6     |      94    |    101   |            |
         1978   |   2     |        64.5     |      72    |     85   |            |
         1978   |   1     |        61.3     |      54    |     69   |            |
         1977   |  12     |        56.9     |      36    |     40   |            |
         1977   |  11     |        51.9     |      40    |     43   |            |
         1977   |  10     |        45.6     |      44    |     46   |            |
         1977   |   9     |        39.1     |      28    |     37   |            |
         1977   |   8     |        33.4     |      24    |     33   |            |
         1977   |   7     |        29.0     |      29    |     32   |            |
         1977   |   6     |        26.3     |      32    |     34   |            |
         1977   |   5     |        24.2     |      23    |     28   |            |
         1977   |   4     |        22.2     |      14    |     25   |            |
         1977   |   3     |        20.0     |      15    |     21   |            |
         1977   |   2     |        18.1     |      12    |     24   |            |
         1977   |   1     |        16.7     |      10    |     10   |            |
         1976   |  12     |        14.8     |      -3    |      1   |            |
         1976   |  11     |        13.5     |     -15    |      3   |            |
         1976   |  10     |        13.4     |       0    |     12   |            |
         1976   |   9     |        14.3     |       0    |     13   |            |
         1976   |   8     |        14.0     |       5    |     16   |            |
         1976   |   7     |        12.9     |      -1    |      7   |            |
         1976   |   6     |        12.2     |       5    |     10   |            |
         1976   |   5     |        12.5     |       8    |     12   |            |
         1976   |   4     |        12.6     |       5    |     18   |            |
         1976   |   3     |        12.2     |       3    |      7   |            |
         1976   |   2     |        13.2     |      -4    |      1   |            |
         1976   |   1     |        15.2     |      -2    |     -5   |            |
         1975   |  12     |        16.2     |       4    |      6   |            |
         1975   |  11     |        16.1     |       3    |      7   |            |
         1975   |  10     |        15.4     |      -4    |     19   |            |
         1975   |   9     |        14.4     |      24    |     32   |            |
         1975   |   8     |        14.2     |      22    |     31   |            |
         1975   |   7     |        15.0     |      14    |     16   |            |
         1975   |   6     |        16.0     |       6    |     13   |            |
         1975   |   5     |        16.8     |      -2    |      7   |            |
         1975   |   4     |        18.6     |      -2    |     13   |            |
         1975   |   3     |        21.3     |       0    |      4   |            |
         1975   |   2     |        22.1     |      -1    |      8   |            |
         1975   |   1     |        23.0     |      13    |     13   |            |
         1974   |  12     |        25.2     |       8    |     22   |            |
         1974   |  11     |        27.6     |      21    |     30   |            |
         1974   |  10     |        30.3     |      28    |     32   |            |
         1974   |   9     |        32.1     |      25    |     30   |            |
         1974   |   8     |        33.1     |      24    |     26   |            |
         1974   |   7     |        34.0     |      29    |     35   |            |
         1974   |   6     |        34.5     |      22    |     31   |            |
         1974   |   5     |        34.6     |      23    |     29   |            |
         1974   |   4     |        33.9     |      19    |     25   |            |
         1974   |   3     |        34.0     |      27    |     29   |            |
         1974   |   2     |        34.4     |      17    |     19   |            |
         1974   |   1     |        32.7     |      10    |     16   |            |
         1973   |  12     |        31.5     |       8    |     13   |            |
         1973   |  11     |        31.8     |       8    |     17   |            |
         1973   |  10     |        32.6     |      26    |     36   |            |
         1973   |   9     |        34.4     |      40    |     52   |            |
         1973   |   8     |        36.1     |      25    |     34   |            |
         1973   |   7     |        37.5     |      32    |     35   |            |
         1973   |   6     |        39.1     |      37    |     42   |            |
         1973   |   5     |        40.7     |      43    |     45   |            |
         1973   |   4     |        42.7     |      30    |     43   |            |
         1973   |   3     |        44.2     |      41    |     43   |            |
         1973   |   2     |        46.5     |      46    |     60   |            |
         1973   |   1     |        50.9     |      41    |     44   |            |
         1972   |  12     |        55.1     |      49    |     51   |            |
         1972   |  11     |        58.7     |      56    |     55   |            |
         1972   |  10     |        60.6     |      80    |     75   |            |
         1972   |   9     |        62.2     |      83    |     88   |            |
         1972   |   8     |        65.5     |      96    |     98   |            |
         1972   |   7     |        68.2     |      94    |     91   |            |
         1972   |   6     |        70.5     |      82    |     80   |            |
         1972   |   5     |        72.9     |      90    |     75   |            |
         1972   |   4     |        73.4     |      90    |     85   |            |
         1972   |   3     |        72.4     |     100    |    111   |            |
         1972   |   2     |        71.2     |      78    |     83   |            |
         1972   |   1     |        70.8     |      58    |     65   |            |
         1971   |  12     |        69.4     |      76    |     70   |            |
         1971   |  11     |        66.8     |      59    |     63   |            |
         1971   |  10     |        66.2     |      50    |     48   |            |
         1971   |   9     |        65.8     |      54    |     55   |            |
         1971   |   8     |        64.6     |      55    |     59   |            |
         1971   |   7     |        65.4     |      68    |     69   |            |
         1971   |   6     |        66.7     |      68    |     69   |            |
         1971   |   5     |        68.1     |      70    |     69   |            |
         1971   |   4     |        70.9     |      77    |     75   |            |
         1971   |   3     |        74.4     |      84    |     91   |            |
         1971   |   2     |        77.8     |      85    |     97   |            |
         1971   |   1     |        80.4     |      95    |    101   |            |
         1970   |  12     |        84.1     |     104    |    106   |            |
         1970   |  11     |        89.4     |     130    |    118   |            |
         1970   |  10     |        93.9     |     119    |    110   |            |
         1970   |   9     |        97.2     |     133    |    120   |            |
         1970   |   8     |       101.0     |     117    |    109   |            |
         1970   |   7     |       103.8     |     122    |    127   |            |
         1970   |   6     |       105.3     |     122    |    120   |            |
         1970   |   5     |       105.8     |     144    |    131   |            |
         1970   |   4     |       106.1     |     130    |    118   |            |
         1970   |   3     |       106.2     |     126    |    130   |            |
         1970   |   2     |       106.0     |     114    |    129   |            |
         1970   |   1     |       105.6     |     109    |    129   |            |
         1969   |  12     |       104.9     |     108    |    114   |            |
         1969   |  11     |       104.6     |     106    |    100   |            |
         1969   |  10     |       104.1     |     110    |    100   |            |
         1969   |   9     |       105.4     |     115    |    106   |            |
         1969   |   8     |       106.4     |     122    |    121   |            |
         1969   |   7     |       105.8     |     114    |    109   |            |
         1969   |   6     |       106.1     |     119    |    111   |            |
         1969   |   5     |       106.2     |     118    |    106   |            |
         1969   |   4     |       106.4     |     122    |    109   |            |
         1969   |   3     |       108.0     |     127    |    136   |            |
         1969   |   2     |       109.6     |     104    |    114   |            |
         1969   |   1     |       110.0     |      95    |    110   |            |
         1968   |  12     |       110.1     |     112    |    113   |            |
         1968   |  11     |       110.6     |     106    |     99   |            |
         1968   |  10     |       109.9     |     133    |    116   |            |
         1968   |   9     |       107.0     |     121    |    114   |            |
         1968   |   8     |       104.8     |     104    |    102   |            |
         1968   |   7     |       105.2     |      96    |     98   |            |
         1968   |   6     |       106.6     |     111    |    106   |            |
         1968   |   5     |       107.6     |     113    |    104   |            |
         1968   |   4     |       107.2     |     109    |     98   |            |
         1968   |   3     |       104.7     |     109    |    114   |            |
         1968   |   2     |       102.9     |     109    |    121   |            |
         1968   |   1     |       102.6     |     121    |    126   |            |
         1967   |  12     |       100.6     |     115    |    110   |            |
         1967   |  11     |        97.1     |     106    |     99   |            |
         1967   |  10     |        95.0     |     125    |    115   |            |
         1967   |   9     |        95.3     |     124    |    112   |            |
         1967   |   8     |        95.3     |     108    |    110   |            |
         1967   |   7     |        94.1     |      89    |     87   |            |
         1967   |   6     |        91.3     |      92    |     84   |            |
         1967   |   5     |        87.4     |     115    |    100   |            |
         1967   |   4     |        84.6     |     114    |    106   |            |
         1967   |   3     |        82.2     |     113    |    128   |            |
         1967   |   2     |        78.8     |      95    |    106   |            |
         1967   |   1     |        75.0     |      79    |     92   |            |
         1966   |  12     |        72.7     |      66    |     73   |            |
         1966   |  11     |        70.2     |      64    |     63   |            |
         1966   |  10     |        67.6     |      47    |     57   |            |
         1966   |   9     |        63.1     |      42    |     46   |            |
         1966   |   8     |        56.6     |      53    |     62   |            |
         1966   |   7     |        50.3     |      55    |     53   |            |
         1966   |   6     |        44.6     |      55    |     45   |            |
         1966   |   5     |        40.7     |      46    |     46   |            |
         1966   |   4     |        37.4     |      37    |     39   |            |
         1966   |   3     |        34.5     |      33    |     35   |            |
         1966   |   2     |        31.3     |      21    |     29   |            |
         1966   |   1     |        27.7     |      15    |     20   |            |
         1965   |  12     |        24.5     |      -1    |      5   |            |
         1965   |  11     |        22.3     |       5    |     19   |            |
         1965   |  10     |        19.7     |       6    |     24   |            |
         1965   |   9     |        17.4     |       9    |     19   |            |
         1965   |   8     |        16.4     |      11    |     17   |            |
         1965   |   7     |        15.5     |      15    |     18   |            |
         1965   |   6     |        15.0     |      16    |     18   |            |
         1965   |   5     |        14.6     |      10    |     17   |            |
         1965   |   4     |        13.6     |      18    |     21   |            |
         1965   |   3     |        12.5     |      20    |     23   |            |
         1965   |   2     |        12.0     |       5    |     18   |            |
         1965   |   1     |        11.7     |       6    |      7   |            |
         1964   |  12     |        11.0     |      -4    |      6   |            |
         1964   |  11     |        10.2     |      -2    |     10   |            |
         1964   |  10     |         9.6     |       3    |      8   |            |
         1964   |   9     |         9.9     |       4    |     14   |            |
         1964   |   8     |        10.2     |      -4    |      5   |            |
         1964   |   7     |        10.3     |       0    |      7   |            |
         1964   |   6     |        10.2     |      -3    |      6   |            |
         1964   |   5     |        10.9     |       2    |     11   |            |
         1964   |   4     |        12.7     |      13    |     20   |            |
         1964   |   3     |        15.4     |      20    |     20   |            |
         1964   |   2     |        17.8     |       6    |     10   |            |
         1964   |   1     |        19.5     |       0    |      3   |            |
         1963   |  12     |        21.3     |       2    |      4   |            |
         1963   |  11     |        23.8     |      15    |     26   |            |
         1963   |  10     |        26.0     |       8    |     20   |            |
         1963   |   9     |        26.9     |      16    |     21   |            |
         1963   |   8     |        27.2     |      18    |     23   |            |
         1963   |   7     |        27.7     |      14    |     22   |            |
         1963   |   6     |        28.2     |      10    |     24   |            |
         1963   |   5     |        28.7     |      23    |     29   |            |
         1963   |   4     |        29.0     |      16    |     26   |            |
         1963   |   3     |        29.7     |      18    |     23   |            |
         1963   |   2     |        29.8     |      14    |     24   |            |
         1963   |   1     |        29.4     |      14    |     16   |            |
         1962   |  12     |        29.8     |      10    |     16   |            |
         1962   |  11     |        30.0     |      22    |     33   |            |
         1962   |  10     |        30.8     |      30    |     36   |            |
         1962   |   9     |        32.7     |      28    |     37   |            |
         1962   |   8     |        34.9     |      22    |     30   |            |
         1962   |   7     |        36.8     |      32    |     41   |            |
         1962   |   6     |        38.3     |      44    |     45   |            |
         1962   |   5     |        39.2     |      54    |     47   |            |
         1962   |   4     |        39.4     |      46    |     47   |            |
         1962   |   3     |        39.8     |      58    |     60   |            |
         1962   |   2     |        41.8     |      32    |     45   |            |
         1962   |   1     |        45.2     |      24    |     33   |            |
         1961   |  12     |        48.7     |      24    |     29   |            |
         1961   |  11     |        50.5     |      36    |     39   |            |
         1961   |  10     |        51.4     |      54    |     51   |            |
         1961   |   9     |        52.3     |      60    |     64   |            |
         1961   |   8     |        52.5     |      84    |     77   |            |
         1961   |   7     |        53.1     |      60    |     68   |            |
         1961   |   6     |        55.8     |      64    |     64   |            |
         1961   |   5     |        60.1     |      58    |     58   |            |
         1961   |   4     |        64.3     |      61    |     64   |            |
         1961   |   3     |        68.9     |      66    |     68   |            |
         1961   |   2     |        74.8     |      61    |     66   |            |
         1961   |   1     |        80.2     |      67    |     82   |            |
         1960   |  12     |        82.9     |      96    |     95   |            |
         1960   |  11     |        87.2     |     109    |     95   |            |
         1960   |  10     |        92.6     |     118    |    103   |            |
         1960   |   9     |        97.2     |     155    |    141   |            |
         1960   |   8     |       101.9     |     117    |    124   |            |
         1960   |   7     |       108.4     |     113    |    118   |            |
         1960   |   6     |       113.9     |     124    |    123   |            |
         1960   |   5     |       117.0     |     126    |    115   |            |
         1960   |   4     |       119.6     |     121    |    110   |            |
         1960   |   3     |       121.6     |     111    |    124   |            |
         1960   |   2     |       125.0     |     135    |    138   |            |
         1960   |   1     |       128.9     |     142    |    163   |            |
         1959   |  12     |       132.5     |     151    |    133   |            |
         1959   |  11     |       137.2     |     133    |    127   |            |
         1959   |  10     |       141.1     |     143    |    121   |            |
         1959   |   9     |       146.3     |     166    |    144   |            |
         1959   |   8     |       151.3     |     161    |    144   |            |
         1959   |   7     |       155.8     |     145    |    145   |            |
         1959   |   6     |       161.4     |     166    |    159   |            |
         1959   |   5     |       165.1     |     167    |    146   |            |
         1959   |   4     |       169.2     |     154    |    133   |            |
         1959   |   3     |       174.5     |     151    |    166   |            |
         1959   |   2     |       176.9     |     162    |    142   |            |
         1959   |   1     |       178.6     |     159    |    175   |            |
         1958   |  12     |       180.5     |     182    |    171   |            |
         1958   |  11     |       180.7     |     189    |    170   |            |
         1958   |  10     |       182.2     |     206    |    166   |            |
         1958   |   9     |       183.8     |     208    |    178   |            |
         1958   |   8     |       184.9     |     191    |    174   |            |
         1958   |   7     |       185.2     |     151    |    151   |            |
         1958   |   6     |       186.8     |     168    |    168   |            |
         1958   |   5     |       191.4     |     184    |    164   |            |
         1958   |   4     |       196.8     |     176    |    158   |            |
         1958   |   3     |       201.3     |     161    |    171   |            |
         1958   |   2     |       200.9     |     162    |    163   |            |
         1958   |   1     |       199.0     |     172    |    181   |            |
         1957   |  12     |       200.1     |     178    |    169   |            |
         1957   |  11     |       200.8     |     184    |    160   |            |
         1957   |  10     |       199.5     |     195    |    162   |            |
         1957   |   9     |       197.3     |     182    |    160   |            |
         1957   |   8     |       194.4     |     166    |    160   |            |
         1957   |   7     |       191.4     |     168    |    172   |            |
         1957   |   6     |       187.9     |     166    |    172   |            |
         1957   |   5     |       185.5     |     168    |    152   |            |
         1957   |   4     |       181.0     |     154    |    133   |            |
         1957   |   3     |       174.3     |     151    |    166   |            |
         1957   |   2     |       172.2     |     150    |    162   |            |
         1957   |   1     |       170.2     |     154    |    168   |            |