1948 01 10.27 -23.19 -16.73 
1948 02 -9.56 -21.70 -15.63 
1948 03 -2.45 -15.72  -9.08 
1948 04  8.35  -2.58   2.89 
1948 05 13.55   2.24   7.89 
1948 06 19.95   8.29  14.12 
1948 07 23.54  12.61  18.07 
1948 08 22.83  13.13  17.98 
1948 09 20.98   9.12  15.04 
1948 10 11.96 -99.99 -99.99 
1948 11  2.51 -99.99 -99.99 
1948 12 -4.67 -99.99 -99.99 
1949 01 -9.10 -19.93 -14.52 
1949 02 -9.78 -23.15 -16.46 
1949 03 -2.70 -15.75  -9.22 
1949 04  8.26  -2.36   2.94 
1949 05 13.12   3.60   8.35 
1949 06 19.86  11.19  15.52 
1949 07 23.10  13.92  18.51 
1949 08 24.22  14.07  19.14 
1949 09 13.69   6.72  10.20 
1949 10 10.83   4.30   7.56 
1953 05 12.59   3.03   7.81 
1953 06 17.84   9.50  13.67 
1953 07 21.64  12.82  17.23 
1953 08 22.04  13.98  18.01 
1953 09 13.63   7.09  10.36 
1953 10 11.35   2.35   6.85 
1954 05  9.26   -.12   4.57 
1954 06 20.26   9.45  14.85 
1954 07 22.51  12.25  17.38 
1954 08 20.54  11.64  16.09 
1954 09 14.36   6.71  10.53 
1954 10  8.43   1.53   4.98 
1955 05 15.29   4.48   9.88 
1955 06 21.68  11.56  16.62 
1955 07 24.45  14.86  19.65 
1955 08 23.53  14.19  18.86 
1955 09 15.54   7.32  11.43 
1956 05  9.22    .-6   4.58 
1956 06 21.91  10.18  16.04 
1956 07 21.27  11.94  16.60 
1956 08 20.61  10.40  15.50 
1956 09 11.88   5.33   8.60 
1957 05 14.54   3.62   9.08 
1957 06 17.62   8.20  12.91 
1957 07 23.21  12.57  17.89 
1957 08 20.86  10.84  15.85 
1957 10  9.97   1.75   5.86 
1958 05 10.81   1.75   6.28 
1958 06 15.96   6.20  11.08 
1958 07 20.74  12.23  16.48 
1959 05 12.85   4.23   8.54 
1959 06 20.20   9.64  14.92 
1959 07 22.90  13.71  18.30 
1959 08 22.40 -99.99 -99.99 
1959 09 16.28 -99.99 -99.99 
1959 10  6.90   -.42   3.24 
1960 05 12.93   3.64   8.28 
1960 06 17.86   7.84  12.85 
1960 07 20.58  11.11  15.84 
1960 08 20.63  12.34  16.48 
1960 09 99.99   6.84 -99.99 
1961 10  8.97   1.25   5.11 
1962 07 21.92  10.77  16.34 
1962 08 20.29  10.62  15.45 
1962 09 14.63   7.55  11.09 
1962 10 11.98   3.91   7.94 
1963 05 99.99   1.97 -99.99 
1963 06 20.85 -99.99 -99.99 
1963 08 99.99  11.12 -99.99 
1963 10 15.43 -99.99 -99.99 
1964 05 15.52   5.15  10.33 
1964 06 17.98   7.93  12.95 
1964 07 24.05  13.55  18.79 
1964 08 17.98  10.14  14.06 
1964 09 14.26   5.45   9.85 
1964 10  8.47   -.23   4.12 
1964 11   .67  -6.11  -2.72 
1964 12 -9.96 -18.93 -14.44 
1965 05 14.38   3.01   8.69 
1965 06 19.26   8.45  13.85 
1965 07 18.67   9.35  14.01 
1965 08 19.78  10.06  14.92 
1965 09 12.28   5.11   8.69 
1965 12 -2.96 -99.99 -99.99 
1966 05 10.96    .58   5.77 
1966 06 19.35   9.31  14.33 
1966 07 24.25  13.28  18.76 
1966 08 19.95   9.89  14.92 
1966 09 16.62   5.65  11.13 
1966 10  7.92    .60   4.26 
1967 05  8.89  -2.72   3.08 
1967 06 19.12   7.22  13.17 
1967 07 19.79   9.71  14.75 
1967 08 19.64   8.60  14.12 
1967 09 17.24   6.18  11.71 
1967 10  8.04  -1.53   3.25 
1967 11 -2.10 -99.99 -99.99 
1968 01 -8.68 -99.99 -99.99 
1968 05 12.26    .75   6.50 
1968 06 17.26   5.91  11.58 
1968 07 20.00  10.08  15.04 
1968 08 19.45   8.57  14.01 
1968 09 17.12   7.23  12.17 
1968 10 11.06   1.27   6.16 
1969 01 12.14 -99.99 -99.99 
1969 05 11.83   -.63   5.60 
1969 06 15.35   3.61   9.48 
1969 07 21.81   8.95  15.37 
1969 08 22.93  11.51  17.22 
1969 09 15.41   3.82   9.61 
1969 10  6.45  -2.80   1.82 
