1950 01 99.99  -9.14 -99.99 
1950 02  8.37  -5.13   1.61 
1950 03 10.64  -2.08   4.28 
1950 04 16.52    .89   8.70 
1950 05 18.99   3.65  11.32 
1950 06 26.84   8.18  17.51 
1950 07 30.11  13.05  21.58 
1950 08 30.28  11.51  20.89 
1950 09 24.84   8.52  16.68 
1950 10 22.13   3.84  12.98 
1950 11 11.42  -1.80   4.81 
1950 12  5.19   -.67   2.26 
1951 01  3.22  -6.91  -1.84 
1951 02  7.98  -4.64   1.67 
1951 03  8.83  -4.86   1.98 
1951 04 17.70   2.50  10.10 
1951 05 20.77   6.02  13.39 
1951 06 24.74   8.17  16.45 
1951 07 31.95  13.60  22.77 
1951 08 30.08  13.82  21.95 
1951 10 17.93   2.65  10.29 
1951 12  1.04  -9.26  -4.10 
1952 01  1.65  -8.93  -3.64 
1952 02  3.26  -8.82  -2.77 
1952 03  4.94  -4.36    .29 
1952 04 16.82   2.76   9.79 
1952 05 23.03   7.32  15.17 
1952 06 27.00  10.81  18.90 
1952 07 30.79  13.52  22.15 
1952 08 31.67  14.88  23.27 
1952 09 28.34   8.59  18.46 
1952 10 23.55   2.05  12.79 
1952 11  9.00  -5.73   1.63 
1952 12  4.42  -6.02   -.79 
1953 01  8.72  -2.01   3.35 
1953 02  7.71  -3.93   1.89 
1953 03 13.24  -1.17   6.03 
1953 04 14.59   1.11   7.85 
1953 05 17.94   3.53  10.73 
1953 06 27.06   8.97  18.02 
1953 07 33.34  15.20  24.27 
1953 08 31.46  14.00  22.73 
1953 09 28.77   8.55  18.66 
1953 10 20.26   3.23  11.74 
1953 11 13.82    .43   7.12 
1953 12  3.63  -7.28  -1.82 
1954 01  5.57  -5.62    .-2 
1954 02  6.98  -3.37   1.80 
1954 03  9.51  -2.49   3.51 
1954 04 19.20   2.36  10.78 
1954 05 99.99   6.60 -99.99 
1954 06 25.43   9.35  17.39 
1954 07 33.68  15.74  24.71 
1954 08 30.89  12.65  21.77 
1954 09 26.22   8.74  17.48 
1954 10 18.84   2.18  10.51 
1954 11 14.04  -2.05   5.99 
1954 12  3.53  -7.71  -2.09 
1955 01  -.74 -12.65  -6.69 
1955 02   .34 -12.04  -5.85 
1955 03  8.17  -4.14   2.01 
1955 04 13.90   -.24   6.83 
1955 05 22.54   5.12  13.83 
1955 06 26.00   9.63  17.81 
1955 07 32.24  13.21  22.72 
1955 08 32.02  15.23  23.62 
1955 09 26.70   8.18  17.44 
1955 10 20.06   2.62  11.34 
1955 11  8.28  -4.98   1.64 
1955 12  7.66  -2.40   2.63 
1956 01  7.55  -3.76   1.89 
1956 02   .80 -10.74  -4.96 
1956 03 13.10  -2.34   5.37 
1956 04 17.74   1.62   9.68 
1956 05 22.84   7.89  15.36 
1956 06 29.15  10.59  19.86 
1956 07 32.38  13.67  23.02 
1956 08 30.81  11.47  21.14 
1956 09 28.38   7.43  17.90 
1956 10 19.62   2.15  10.88 
1961 03 11.83  -1.67   5.08 
1961 04 16.60    .98   8.79 
1961 05 23.15   4.61  13.88 
1961 06 31.30  11.66  21.48 
1961 07 99.99  14.62 -99.99 
1961 08 31.88  14.73  23.30 
1961 09 23.29   6.69  14.99 
1962 04 19.57   2.09  10.83 
1962 05 21.39   5.90  13.64 
1962 06 27.37   8.93  18.15 
1962 08 31.34  11.07  21.20 
1962 10 20.98   3.46  12.21 
1963 01   .36 -13.42  -6.53 
1963 02 11.17  -2.86   4.15 
1963 03 11.80  -3.29   4.25 
1963 04 13.65    .55   7.10 
1963 06 24.86   9.03  16.94 
1963 09 99.99  10.40 -99.99 
1963 10 22.36   7.54  14.95 
1964 01   .46 -99.99 -99.99 
1964 02  1.34  -9.97  -4.31 
1964 03  5.34  -5.73   -.19 
1964 04 14.28   2.24   8.26 
1964 05 20.49   5.48  12.98 
1965 04 17.60   3.92  10.76 
1965 05 19.86   4.46  12.16 
1965 06 25.74   9.30  17.52 
1965 07 30.87  13.06  21.96 
1965 08 28.77  12.45  20.61 
1965 09 21.52   6.20  13.86 
1965 10 21.69   2.02  11.85 
1965 11 14.34   1.14   7.74 
1965 12  3.95  -5.45   -.74 
1966 01  4.91  -6.42   -.75 
1966 02  4.79  -5.94   -.57 
1966 03 13.61 -99.99 -99.99 
1966 04 17.49    .40   8.94 
