1962 05  16.84 -99.99 -99.99 
1962 06  21.68 -99.99 -99.99 
1962 07  21.26   8.80  15.03 
1962 08  20.89   7.64  14.26 
1962 09  17.35   2.96  10.15 
1962 10  12.52  -1.98   5.27 
1963 05  16.44   0.93   8.68 
1963 06 -99.99   6.90 -99.99 
1963 07 -99.99   9.79 -99.99 
1963 08  24.23   7.77  16.00 
1963 09  21.13   5.55  13.34 
1963 10  15.39  -3.28   6.05 
1964 05  18.00   3.69  10.84 
1964 06  23.00   5.93  14.46 
1964 07  24.45  10.48  17.46 
1964 08  19.82   8.18  14.00 
1964 09  13.16   2.48   7.82 
1964 10  12.10  -1.04   5.53 
1965 05  15.73   2.04   8.88 
1965 06  19.42   7.59  13.50 
1965 07  24.13   9.68  16.90 
1965 08  22.29   8.93  15.61 
1965 09 -99.99  -1.37 -99.99 
1966 05  18.37   3.42  10.89 
1966 06  18.95   5.87  12.41 
1966 07  22.32   9.60  15.96 
1966 08  20.55   7.05  13.79 
1966 09  18.85   3.34  11.09 
1966 10   9.60  -3.66   2.97 
1967 05  16.54   0.67   8.60 
1967 06  19.20   4.42  11.81 
1967 07  23.02   9.10  16.06 
1967 08  24.06   6.79  15.42 
1967 09  21.28   3.39  12.33 
1967 10   7.49  -3.49   1.99 
1967 11   -.94 -10.80  -5.87 
1967 12  -9.82 -21.19 -15.50 
1968 01 -14.57 -28.95 -21.76 
1968 02  -5.69 -17.95 -11.82 
1968 03   3.31  -7.18  -1.93 
1968 05  17.16   1.15   9.15 
1968 06  20.62   6.42  13.52 
1968 07  22.94   7.63  15.28 
1968 08  19.33   6.66  12.99 
1968 09  14.85   3.11   8.98 
1968 10   7.97  -2.86   2.55 
1968 11   0.90  -9.09  -4.09 
1968 12 -13.38 -25.33 -19.35 
1969 01 -24.47 -37.04 -30.75 
1969 02 -10.16 -23.72 -16.93 
1969 03  -2.86 -19.17 -11.01 
1969 04  11.56  -1.15   5.20 
1969 05  16.21   2.01   9.11 
1969 06  20.67   4.42  12.55 
1969 07  21.71   8.13  14.92 
1969 08  22.26   7.28  14.77 
1969 09  13.94   3.80   8.87 
1969 10   4.80  -5.74   -.46 
1969 11   0.77 -12.29  -5.76 
1969 12  -5.61 -15.49 -10.55 
1970 01 -15.62 -26.03 -20.82 
1970 02  -4.86 -21.31 -13.08 
1970 03  -4.65 -19.45 -12.05 
1970 04   8.35  -5.32   1.51 
1970 05  16.96   2.24   9.60 
1970 06  22.05   9.72  15.88 
1970 07  22.11  10.30  16.20 
1970 08  21.71   7.79  14.75 
1970 09  15.35   1.41   8.38 
1970 10   7.92  -2.83   2.54 
1970 11  -7.19 -14.93 -11.06 
1970 12 -16.15 -29.22 -22.68 
1971 01 -19.44 -31.92 -25.68 
1971 02  -5.95 -99.99 -99.99 
1971 03  -3.12 -18.31 -10.71 
1971 04   8.67  -4.41   2.13 
1971 05  20.37   3.73  12.05 
1971 06  19.54   8.10  13.83 
1971 07  21.26   8.34  14.80 
1971 08  23.74   9.70  16.71 
1971 09  15.01   1.69   8.35 
1971 10   9.91  -3.81   3.05 
1971 11  -4.04 -14.55  -9.29 
1971 12 -14.19 -27.23 -20.71 
1972 01 -16.93 -31.58 -24.25 
1972 02 -15.10 -26.59 -20.84 
1972 03   -.58 -13.60  -7.09 
1972 04   6.65  -4.69   0.97 
1972 05  19.41   3.13  11.27 
1972 06  21.78   7.88  14.83 
1972 07  20.36   7.28  13.82 
1972 08  23.24   9.10  16.17 
1972 09   9.80  -1.13   4.33 
1972 10   6.81  -5.00   0.90 
1973 04   8.12  -3.01   2.55 
1973 05  17.76   4.08  10.92 
1973 06  20.33   7.32  13.82 
1973 07  23.14   9.10  16.11 
1973 08  20.83   8.75  14.79 
1973 09  15.26   2.62   8.94 
1973 10   8.46  -1.27   3.59 
1973 11  -9.53 -18.15 -13.84 
1974 04   8.81  -3.35   2.73 
1974 05  12.73   1.81   7.26 
1974 06  21.42   8.12  14.77 
1974 07  22.03   9.27  15.65 
1974 08  19.82   5.66  12.74 
1974 09  13.96   0.37   7.16 
1974 10  12.78  -3.78   4.50 
1974 11   0.61 -10.58  -4.98 
1974 12  -2.67 -14.06  -8.36 
1975 01  -9.85 -22.25 -16.05 
1975 02 -10.69 -25.62 -18.15 
1975 03  -4.56 -20.72 -12.64 
1975 05  16.27   2.10   9.19 
1975 06  20.14   6.13  13.13 
1975 07  24.41  10.79  17.60 
1975 08  18.12   6.89  12.50 
1975 09  17.62   1.41   9.51 
1975 10   8.67  -2.87   2.90 
1976 05  18.67   2.31  10.49 
