1959 11 12.85 -99.99 -99.99 
1959 12  9.96  -5.99   1.98 
1960 01  3.66 -10.83  -3.58 
1960 02  5.73  -7.71   -.99 
1960 03 15.40  -2.34   6.52 
1960 04 19.18  -1.72   8.73 
1960 05 23.36   3.25  13.30 
1960 06 31.20   9.26  20.23 
1960 07 34.48  12.33  23.40 
1960 08 33.45  12.05  22.75 
1960 09 29.72   8.81  19.26 
1960 10 18.76    .86   9.81 
1960 11 13.11  -4.63   4.23 
1960 12  3.99 -11.68  -3.84 
1961 01  5.56 -11.23  -2.83 
1961 02 10.61  -6.25   2.17 
1961 03 13.34  -4.32   4.51 
1961 04 18.93 -99.99 -99.99 
1961 05 24.12    .76  12.44 
1961 10 19.39    .-6   9.66 
1961 11  9.63  -4.50   2.56 
1961 12  3.44 -13.12  -4.84 
1962 01  3.47 -13.63  -5.08 
1962 02  6.39  -6.26    . 6 
1962 03  9.26  -7.10   1.08 
1962 04 20.02   -.29   9.86 
1962 05 21.14    .71  10.92 
1962 06 28.27   4.50  16.38 
1962 08 99.99  10.44 -99.99 
1962 09 26.20   7.54  16.87 
1962 10 20.19   2.10  11.15 
1962 11 14.30  -2.24   6.03 
1962 12  9.12  -8.51    .30 
1963 01  3.05 -12.82  -4.88 
1963 02 12.05  -4.54   3.75 
1963 03 11.86  -4.59   3.63 
1963 04 15.82  -2.19   6.81 
1963 05 25.10   2.21  13.65 
1963 06 27.12   4.78  15.95 
1963 11 14.30  -3.56   5.37 
1964 03  8.64 -10.21   -.78 
1964 04 16.57  -2.96   6.80 
1964 05 23.85   1.79  12.82 
1964 06 28.84   1.75  15.29 
1964 07 31.88 -99.99 -99.99 
1964 08 29.13  15.88  22.50 
1964 09 25.61   8.84  17.22 
1964 10 24.17   4.31  14.24 
1964 11 11.20  -7.22   1.99 
1965 01  7.73  -7.11    .30 
1965 02  7.04 -10.76  -1.86 
1965 03 12.15  -6.15   2.99 
1965 04 16.33  -3.44   6.44 
1965 06 27.51   5.39  16.45 
1965 07 31.18   6.53  18.85 
1965 08 30.42  11.35  20.88 
1965 09 25.71   6.16  15.93 
1966 10 20.15    .38  10.26 
1966 11 15.22  -3.69   5.76 
1966 12  7.47  -9.37   -.95 
1967 01  5.76 -12.28  -3.25 
1967 02 12.24  -7.39   2.42 
1967 03 15.64  -6.47   4.58 
1967 04 16.58  -4.69   5.94 
1967 05 25.04   -.86  12.09 
1967 09 26.24   6.34  16.29 
1967 10 23.10  -1.33  10.88 
1967 11 15.28  -3.91   5.68 
1967 12  3.17 -12.41  -4.62 
1968 01  3.85 -14.37  -5.26 
1968 02 10.18  -3.44   3.37 
1968 03 13.17  -3.66   4.75 
1968 04 15.08  -1.69   6.69 
1968 05 22.26   2.32  12.29 
1968 06 31.07   5.81  18.44 
1968 07 31.62  27.91  29.76 
1968 08 28.04 -99.99 -99.99 
1968 09 26.75   4.46  15.61 
1968 10 20.53    .80  10.66 
1968 11 10.97  -4.50   3.23 
1968 12  4.54 -12.09  -3.77 
1969 01  7.28  -6.45    .41 
1969 02  7.46  -6.65    .40 
1969 03 11.52  -7.48   2.02 
1969 04 19.95  -2.49   8.73 
1969 05 23.78   4.52  14.15 
1969 06 27.44   7.02  17.23 
1969 07 32.09  12.07  22.08 
1969 08 32.00  13.66  22.83 
1969 09 27.28   8.50  17.89 
1969 10 17.07    .-9   8.49 
1969 11 11.56 -99.99 -99.99 
1969 12  9.26 -99.99 -99.99 
1970 02 12.35 -99.99 -99.99 
1970 03 10.39  -7.68   1.35 
1970 04 14.09  -7.25   3.42 
1970 05 24.25   1.25  12.75 
1971 12  2.98 -10.82  -3.91 
1972 01  8.28 -10.05   -.88 
1972 03 17.70  -3.73   6.99 
1972 05 22.55   1.90  12.22 
1972 06 27.55   8.72  18.13 
1972 07 32.00  11.31  21.65 
1972 09 25.73   6.41  16.07 
1972 10 16.20   5.04  10.62 
1973 05 22.42 -99.99 -99.99 
1974 01  3.57 -13.08  -4.75 
