1955 06  21.19   6.76  13.97 
1955 07  21.06   8.56  14.81 
1955 08  21.74   6.17  13.95 
1955 09  14.30   1.90   8.10 
1955 10 -99.99  -2.55 -99.99 
1955 11 -12.12 -22.31 -17.21 
1955 12 -16.11 -24.11 -20.11 
1956 01 -17.02 -24.81 -20.91 
1956 02 -10.29 -22.38 -16.33 
1956 03  -3.79 -15.79  -9.79 
1956 04   5.53  -6.04   -.25 
1956 05  18.52   2.74  10.63 
1956 06  19.75   6.92  13.33 
1956 07  21.61   9.10  15.35 
1956 08  21.46   7.78  14.62 
1956 09  14.35   2.22   8.28 
1956 10   7.76  -4.13   1.81 
1956 11   3.70  -8.04  -2.17 
1956 12  -7.85 -18.52 -13.18 
1957 01 -13.18 -23.84 -18.51 
1957 02  -9.89 -21.85 -15.87 
1957 03  -2.00 -13.84  -7.92 
1957 04   8.68  -3.37   2.66 
1957 05  16.29   3.91  10.10 
1957 06  19.54   4.61  12.07 
1957 07  22.50   8.21  15.35 
1957 08  19.81   6.55  13.18 
1957 09  17.81   4.09  10.95 
1957 11 -99.99  -8.22 -99.99 
1957 12  -5.46 -16.33 -10.89 
1958 01  -4.48 -14.16  -9.32 
1958 02 -10.65 -20.04 -15.35 
1958 03  -2.39 -11.29  -6.84 
1958 04   9.43  -1.56   3.93 
1958 05  19.65   3.37  11.51 
1958 06  19.84   5.05  12.44 
1958 07  23.60   6.90  15.25 
1958 08  23.76   7.00  15.38 
1958 09  14.40   2.13   8.26 
1958 10  11.53  -1.97   4.77 
1958 11  -1.84 -12.59  -7.21 
1958 12  -7.31 -18.26 -12.78 
1959 01 -18.16 -28.17 -23.16 
1959 02  -7.12 -22.04 -14.58 
1959 03   4.07  -7.75  -1.83 
1959 04   9.37  -2.70   3.33 
1959 05  14.27   -.46   6.90 
1959 06  18.68   5.36  12.02 
1959 07  23.82   7.58  15.70 
1959 08  18.14   5.40  11.77 
1959 09  14.42   2.06   8.24 
1959 10   5.85  -3.11   1.37 
1959 11  -1.63 -12.13  -6.88 
1959 12 -99.99 -11.09 -99.99 
1960 01 -10.26 -22.67 -16.46 
1960 02  -9.34 -18.10 -13.72 
1960 03  -1.33 -15.18  -8.25 
1960 04  10.38  -2.43   3.97 
1960 08  20.78   7.53  14.15 
1960 09  16.78   2.17   9.47 
1960 10   9.75  -2.01   3.87 
1960 11  -1.96 -12.33  -7.14 
1960 12  -3.93 -16.11 -10.02 
1961 01  -6.08 -17.73 -11.90 
1961 02 -99.99 -16.36 -99.99 
1961 03   -.22 -10.07  -5.14 
1961 04   7.61  -4.28   1.66 
1961 05  17.87   3.07  10.47 
1961 06  24.50   9.02  16.76 
1961 08 -99.99   7.13 -99.99 
1961 10   9.47  -4.44   2.51 
1961 12 -17.09 -26.90 -21.99 
1962 01 -99.99 -22.20 -99.99 
1962 02 -13.41 -24.21 -18.81 
1962 03  -4.87 -17.53 -11.20 
1962 04   8.28  -3.78   2.25 
1962 05  15.35   1.11   8.23 
1962 06  20.20   7.32  13.76 
1962 07  20.00   8.70  14.35 
1962 08  20.57   8.53  14.54 
1962 09  17.01   2.79   9.89 
1962 10  11.99   -.73   5.63 
1962 11   1.42  -7.72  -3.15 
1962 12  -5.81 -15.64 -10.72 
1963 01 -10.60 -24.13 -17.36 
1963 02  -6.54 -15.22 -10.88 
1963 03   -.34  -9.72  -5.03 
1963 04   9.14  -3.06   3.04 
1963 05  14.83   1.63   8.22 
1963 06  21.20   5.86  13.53 
1963 08 -99.99   7.10 -99.99 
1963 09  20.06   5.55  12.80 
1963 10  14.28  -1.83   6.22 
1963 11  -4.27 -14.54  -9.40 
1963 12  -6.09 -18.43 -12.26 
1964 01  -8.22 -17.06 -12.64 
1964 02   1.38 -10.59  -4.60 
1964 03  -5.26 -18.66 -11.96 
1964 04  10.27  -3.50   3.38 
1964 05  16.89   3.00   9.94 
1964 06  21.15   5.95  13.54 
1964 07  23.48   9.39  16.43 
1964 08  20.01   7.20  13.60 
1964 09  12.71   1.35   7.03 
1964 10  12.87  -1.80   5.53 
1964 11  -2.84 -12.63  -7.73 
1964 12 -17.70 -27.14 -22.42 
1965 01 -13.73 -25.43 -19.58 
1965 02 -10.37 -23.73 -17.04 
1965 03  -4.48 -19.66 -12.07 
1965 04   6.88  -3.52   1.68 
1965 05  14.88   1.81   8.34 
1965 06  19.76   6.74  13.25 
1965 07  23.08   8.91  15.99 
1965 08  22.11   8.78  15.44 
1965 09  10.39  -1.29   4.55 
1965 10  13.78  -2.34   5.71 
1965 11  -5.34 -14.84 -10.09 
1965 12  -8.03 -20.16 -14.09 
1966 01 -20.61 -30.63 -25.62 
1966 02  -8.71 -21.00 -14.85 
1966 03   -.36 -13.24  -6.80 
1966 04   4.37  -7.10  -1.36 
1966 05  18.12   2.74  10.43 
1966 06  18.65   3.96  11.30 
1966 07 -99.99   7.98 -99.99 
1966 08  20.33   6.53  13.43 
1966 09  18.08   3.31  10.69 
1966 10   9.38  -3.42   2.98 
1966 11  -7.15 -17.00 -12.07 
1966 12  -7.75 -16.94 -12.34 
1967 01 -13.44 -22.72 -18.08 
1967 02  -6.90 -20.12 -13.51 
1967 03  -5.93 -18.26 -12.09 
1967 04   3.54  -8.35  -2.40 
1967 05 -99.99   1.81 -99.99 
1967 06 -99.99   4.29 -99.99 
1967 07  23.21   7.83  15.52 
1967 08  24.35   7.42  15.88 
1967 09  21.94   3.65  12.79 
1967 10   8.62  -1.26   3.67 
1967 11   0.30  -9.97  -4.83 
1967 12  -8.47 -19.53 -14.00 
1968 01 -12.47 -25.09 -18.78 
1968 02  -3.60 -15.61  -9.60 
1968 03   3.32  -6.92  -1.80 
1968 04   9.64  -4.03   2.80 
1968 05  16.61   1.04   8.83 
1968 06  20.37   4.96  12.66 
1968 07  22.69   6.69  14.69 
1968 08  19.17   4.88  12.02 
1968 09  14.34   3.08   8.71 
1968 10   8.20  -1.90   3.15 
1968 11   1.50  -9.53  -4.01 
1968 12 -14.46 -22.41 -18.43 
1969 01 -23.63 -34.91 -29.27 
1969 02  -9.85 -20.01 -14.93 
1969 03  -2.24 -16.12  -9.18 
1969 04  11.44   -.63   5.40 
1969 05  16.51   1.90   9.20 
1969 06  20.48   4.38  12.43 
1969 07  21.61   7.03  14.32 
1969 08  21.51   6.84  14.17 
1969 09  13.55   3.50   8.52 
1969 10   5.98  -5.07   0.45 
1969 11   1.41 -10.17  -4.38 
1969 12  -4.92 -14.87  -9.89 
1970 01 -15.23 -25.26 -20.24 
1970 02  -3.45 -15.24  -9.34 
1970 03   0.06  -9.29  -4.61 
1970 04   6.42  -4.58   0.92 
1970 05  18.44   3.44  10.94 
1970 06  20.36   7.09  13.72 
1970 07  19.45   6.45  12.95 
1970 08  22.88   8.37  15.62 
1970 09  10.77   -.63   5.07 
1970 10   6.50  -4.62   0.94 
1970 11 -99.99  -8.75 -99.99 
1970 12 -12.93 -23.20 -18.06 
1973 01  -8.75 -19.78 -14.26 
1973 02  -6.52 -17.85 -12.18 
1973 03   3.06  -9.50  -3.22 
1973 04   8.28  -3.35   2.46 
1973 05  17.66   4.17  10.91 
1973 06  19.62   6.62  13.12 
1973 07  21.65   8.64  15.14 
1973 08  19.79   7.92  13.86 
1973 09  15.00   3.20   9.10 
1973 10   8.05   -.97   3.54 
1973 11 -10.79 -18.62 -14.70 
1973 12 -10.21 -18.75 -14.48 
1974 01 -16.41 -27.35 -21.88 
1974 02  -5.63 -18.46 -12.04 
1974 03  -6.55 -19.29 -12.92 
1974 04   8.25  -2.85   2.70 
1974 05  13.53   0.72   7.12 
1974 06  21.28   6.42  13.85 
1974 07  20.66   7.20  13.93 
1974 08  18.28   5.29  11.78 
1974 09  14.01   0.90   7.45 
1974 10  12.55  -1.45   5.55 
1974 11   1.47  -9.53  -4.02 
1974 12  -1.81 -12.99  -7.39 
1975 01  -8.70 -20.53 -14.61 
1975 02 -10.84 -23.31 -17.07 
1975 03  -5.05 -16.43 -10.74 
1975 04   5.23  -5.95   -.35 
1975 05  15.80   2.61   9.20 
1975 06  18.31   5.53  11.92 
1975 07  23.44  10.84  17.14 
1975 08  17.95   6.57  12.26 
1975 09  17.52   2.60  10.06 
1975 10   8.14  -1.92   3.11 
1975 11   -.30 -10.39  -5.34 
1975 12  -9.26 -20.09 -14.67 
1976 01  -7.53 -20.01 -13.77 
1976 02  -4.42 -16.11 -10.27 
1976 03   -.58 -12.15  -6.37 
1976 04  12.81   -.75   6.03 
1976 05  17.67   3.31  10.49 
1976 06  18.16   5.65  11.90 
1976 07  21.77   9.59  15.68 
1976 08  22.30   9.99  16.14 
1976 09  18.61   3.75  11.18 
1976 10   8.27  -2.84   2.71 
1976 11   2.92  -9.05  -3.06 
1976 12  -5.79 -16.54 -11.17 
1977 01  -9.83 -21.21 -15.52 
1977 02   3.10 -10.28  -3.59 
1977 03   0.52 -11.70  -5.58 
1977 04  14.11  -1.70   6.20 
1977 05  17.12   4.56  10.84 
1977 06  21.24   7.54  14.39 
1977 07  19.95   7.98  13.96 
1977 08  17.69   5.14  11.41 
1977 09  13.50   3.65   8.57 
1977 10  10.44  -1.88   4.27 
1977 11  -2.17 -11.50  -6.83 
1978 01 -15.67 -24.71 -20.18 
1978 02  -8.02 -20.11 -14.06 
1978 06  21.56   7.79  14.67 
1978 07  22.09   8.45  15.27 
1978 08  19.83   6.26  13.04 
1978 09  14.34   4.38   9.36 
1978 10  12.03   -.11   5.96 
1978 11  -3.47 -12.20  -7.83 
1978 12  -8.10 -20.69 -14.39 
1979 01 -12.82 -25.68 -19.25 
1979 02 -19.73 -30.05 -24.89 
1979 03   1.84 -12.50  -5.33 
1979 04   3.92  -6.50  -1.29 
1979 05  14.05   1.74   7.89 
1979 06  20.32   5.80  13.06 
1979 07  23.77  10.31  17.04 
1979 08  21.73   7.75  14.74 
1979 09  17.83   3.67  10.75 
1979 10  11.35  -2.17   4.59 
