1951 01 -3.54 -10.44  -6.99 
1951 02 -1.16  -7.91  -4.53 
1951 03  1.95  -7.31  -2.67 
1951 04  7.14  -1.31   2.91 
1951 05 12.69   4.05   8.37 
1951 06 14.75   6.78  10.76 
1951 07 18.71  12.20  15.45 
1951 08 20.17  13.58  16.87 
1951 09 14.53   6.94  10.73 
1951 10 12.64   5.00   8.82 
1951 11  3.93  -2.91    .51 
1951 12   .98  -5.76  -2.39 
1952 01 -3.67 -10.14  -6.90 
1952 02 -3.66 -10.29  -6.97 
1952 03   .42  -6.42  -3.00 
1952 04  6.75   -.37   3.19 
1952 05 11.86   4.31   8.08 
1952 06 14.49   8.43  11.46 
1952 07 16.98  11.87  14.42 
1952 08 19.77  13.83  16.79 
1952 09 15.92  10.32  13.12 
1952 10 10.40   2.43   6.41 
1952 11  8.85   1.66   5.25 
1952 12  -.83  -7.76  -4.29 
1953 01 -5.16 -11.00  -8.08 
1953 02 -2.78 -10.40  -6.58 
1953 03  1.71  -6.20  -2.24 
1953 04  3.64  -3.66    . 0 
1953 05 10.22   3.13   6.68 
1953 06 14.83   9.45  12.14 
1953 07 17.73  13.07  15.40 
1953 08 18.79  13.83  16.31 
1953 09 15.67  10.54  13.10 
1953 10 10.52   3.97   7.24 
1953 11  5.07  -3.26    .90 
1953 12  3.21  -4.02   -.40 
1954 01 -1.38  -7.45  -4.41 
1954 02   .32  -7.89  -3.78 
1954 03  1.43  -7.12  -2.84 
1954 04  8.59    .31   4.45 
1954 05 11.60   3.98   7.79 
1954 06 12.94   6.69   9.81 
1954 07 16.24  11.73  13.98 
1954 08 19.04  13.74  16.39 
1954 09 16.02  10.63  13.32 
1954 10  8.56   2.85   5.70 
1954 11  6.57   -.40   3.08 
1954 12  -.43  -6.76  -3.59 
1955 01 -4.46 -12.30  -8.38 
1955 02  -.73  -8.67  -4.69 
1955 03  3.60  -3.69    .-4 
1955 04  8.70    .84   4.77 
1955 05 11.53   4.26   7.89 
1955 06 15.93  10.28  13.10 
1955 07 17.58  13.10  15.34 
1955 08 17.95  12.80  15.37 
1955 09 15.65   9.79  12.71 
1955 10 10.54   3.35   6.94 
1955 11  4.44  -3.24    .60 
1955 12  2.20  -5.72  -1.75 
1956 01 -4.26 -11.07  -7.66 
1956 02 -4.94 -11.90  -8.42 
1956 03  2.58  -4.91  -1.16 
1956 04  7.72   -.79   3.46 
1956 05 11.32   4.50   7.91 
1956 06 15.46   8.89  12.17 
1956 07 19.11  13.20  16.15 
1956 08 18.33  12.41  15.37 
1956 09 15.53  10.38  12.95 
1956 10 11.49   4.51   8.00 
1956 11  5.11  -2.39   1.36 
1956 12 -3.69 -10.16  -6.92 
1957 01 -1.22  -8.42  -4.82 
1957 02 -3.88 -11.45  -7.66 
1957 03 -2.05  -9.60  -5.82 
1957 04  8.29    .69   4.48 
1957 05 10.10   2.91   6.51 
1957 06 13.36   7.67  10.51 
1957 07 17.60  13.24  15.42 
1957 08 18.08  13.88  15.98 
1957 09 13.12   8.35  10.73 
1957 10 10.73   3.29   7.01 
1957 11  7.30   -.32   3.49 
1957 12   .58  -6.52  -2.97 
1958 01 -2.64 -10.16  -6.40 
1958 02 -1.47  -8.67  -5.07 
1958 03  1.69  -6.59  -2.45 
1958 04  7.46    .10   3.78 
1958 05 10.76   3.34   7.05 
1958 06 14.68   8.64  11.66 
1958 07 18.36  12.92  15.64 
1958 08 18.21  13.23  15.72 
1958 09 15.76  10.31  13.03 
1958 10  9.74   2.71   6.22 
1958 11  5.97  -1.73   2.11 
1958 12  1.40  -5.90  -2.25 
1959 01 -3.47 -11.36  -7.41 
1959 02  1.90  -5.19  -1.64 
1959 03  2.59  -5.35  -1.38 
1959 04  7.17   -.69   3.24 
1959 05 11.31   4.62   7.96 
1959 06 14.27   7.77  11.02 
1959 07 18.64  13.57  16.10 
1959 08 19.54  13.63  16.58 
1959 09 16.82  10.93  13.87 
1959 10 11.21   4.32   7.76 
1959 11  7.47   -.42   3.52 
1959 12  1.28  -6.40  -2.56 
1960 01 -2.96 -11.02  -6.99 
1960 02   . 7  -8.02  -3.97 
1960 03  3.52  -5.14   -.80 
1960 04  5.92  -1.67   2.12 
1960 05 11.65   4.55   8.10 
1960 06 14.62   8.54  11.58 
1960 07 18.83  13.60  16.21 
1960 08 17.93  13.68  15.80 
1960 09 16.46  10.67  13.57 
1960 10  9.91   3.14   6.52 
1960 11  5.78   -.58   2.59 
1960 12 -1.13  -8.02  -4.57 
1961 01 -4.59 -12.43  -8.51 
1961 02 -5.00 -11.79  -8.39 
1961 03  1.83  -4.92  -1.54 
1961 04  8.18   -.41   3.88 
1961 05 12.65   5.46   9.05 
1961 06 14.35   9.04  11.69 
1961 07 18.79  13.99  16.39 
1961 08 18.91  14.26  16.58 
1961 09 17.11  11.61  14.36 
1961 10 12.33   6.58   9.45 
1961 11  6.23   -.64   2.79 
1961 12  -.29  -6.99  -3.64 
1962 01 -5.33 -10.62  -7.97 
1962 02 -2.46 -10.07  -6.26 
1962 03   .12  -7.78  -3.83 
1962 04  6.05  -1.48   2.28 
1962 05 11.97   4.44   8.20 
1962 06 14.39   8.49  11.44 
1962 07 17.70  13.03  15.36 
1962 08 18.06  13.49  15.77 
1962 09 16.03   9.84  12.93 
1962 10  9.78   2.74   6.26 
1962 11  5.69  -1.20   2.24 
1962 12   .30  -6.56  -3.13 
1963 01 -8.53 -13.88 -11.20 
1963 02 -5.81 -12.12  -8.96 
1963 03  1.02  -6.66  -2.82 
1963 04  7.98   1.12   4.55 
1963 05 12.52   7.95  10.23 
1963 06 15.44  10.89  13.16 
1963 07 18.78  13.25  16.01 
1963 08 17.85  13.40  15.62 
1963 09 14.22   8.42  11.32 
1963 10  8.72   2.28   5.50 
1963 11  5.85  -1.93   1.96 
1963 12  1.70  -6.52  -2.40 
1964 01 -1.17  -8.31  -4.74 
1964 02 -4.29 -10.10  -7.20 
1964 03 -1.16  -7.90  -4.53 
1964 04 11.38   6.05   8.71 
1964 05 11.41   4.28   7.84 
1964 06 13.06   7.21  10.13 
1964 07 19.90  13.97  16.93 
1964 08 18.87  13.85  16.36 
1964 09 15.88  10.89  13.38 
1964 10 10.57   3.46   7.01 
1964 11  3.87  -2.96    .45 
1964 12  -.49  -7.07  -3.78 
1965 01 -3.98 -10.98  -7.47 
1965 02 -4.32 -11.19  -7.75 
1965 03 -3.02 -10.52  -6.77 
1965 04  4.55  -3.05    .75 
1965 05 11.23   3.75   7.49 
1965 06 14.03   8.32  11.17 
1965 07 18.15  12.96  15.55 
1965 08 18.51  11.95  15.23 
1965 09 13.76   7.13  10.44 
1965 10  9.13   1.53   5.33 
1965 11  6.85  -1.16   2.84 
1965 12  -.95  -8.07  -4.50 
1966 01 -4.10 -10.75  -7.42 
1966 02   .61  -7.49  -3.43 
1966 03  3.84  -4.36   -.26 
1966 04  6.77   -.41   3.18 
1966 05 10.77   3.28   7.02 
1966 06 14.05   7.88  10.96 
1966 07 18.35  12.50  15.42 
1966 08 18.54  13.76  16.15 
1966 09 15.62   9.47  12.54 
1966 10  9.38   2.78   6.08 
1966 11  5.76  -2.48   1.64 
1966 12 -2.31  -8.10  -5.21 
1967 01 -4.09 -10.27  -7.18 
1967 02 -2.78  -9.34  -6.06 
1967 03  2.17  -5.36  -1.59 
1967 04  7.14    . 6   3.60 
1967 05 12.47   5.66   9.06 
1967 06 14.76   7.96  11.36 
1967 07 17.87  12.96  15.41 
1967 08 18.82  13.71  16.26 
1967 09 14.61   8.81  11.71 
1967 10  8.88   2.32   5.60 
1967 11  6.72  -1.29   2.71 
1967 12 -3.79 -10.16  -6.97 
1968 01 -4.86 -11.29  -8.07 
1968 02 -6.14 -12.99  -9.56 
1968 03  1.47  -6.04  -2.28 
1968 04  5.88   -.40   2.74 
1968 05 10.10   3.25   6.68 
1968 06 13.87   7.65  10.76 
1968 07 17.56  12.26  14.91 
1968 08 17.61  13.49  15.55 
1968 09 14.05   9.70  11.87 
1968 10  8.17   2.56   5.36 
1968 11  5.93  -1.08   2.42 
1968 12  2.05  -3.55   -.75 
1969 01 -1.45  -7.05  -4.25 
1969 02  -.11  -7.51  -3.81 
1969 03   .62  -6.55  -2.96 
1969 04  8.14   1.00   4.57 
1969 05 11.95   4.98   8.46 
1969 06 13.51   7.15  10.33 
1969 07 17.99  12.71  15.35 
1969 08 18.37  12.95  15.66 
1969 09 16.31  11.05  13.68 
1969 10  8.83   2.90   5.86 
1969 11  4.46  -2.36   1.04 
1969 12 -1.87  -8.50  -5.18 
1970 01 -3.95 -11.13  -7.54 
1970 02 -1.15  -8.10  -4.62 
1970 03 -3.33 -10.10  -6.72 
1970 04  5.56   -.50   2.53 
1970 05 11.40   4.91   8.15 
1970 06 13.37   8.27  10.82 
1970 07 17.96  13.13  15.54 
1970 08 17.59  13.31  15.45 
1970 09 16.09  11.78  13.93 
1970 10  9.79   3.97   6.88 
1970 11  3.81  -2.65    .57 
1970 12  -.78  -7.42  -4.10 
1971 01 -3.99 -10.22  -7.10 
1971 02 -2.64  -9.22  -5.93 
1971 03   .71  -7.25  -3.27 
1971 04  7.43    .-2   3.70 
1971 05 11.35   4.16   7.75 
1971 06 15.08   9.84  12.46 
1971 07 18.27  13.94  16.10 
1971 08 16.74  12.55  14.64 
1971 09 14.28   9.79  12.03 
1971 10  8.39   2.31   5.35 
1971 11  4.88  -1.61   1.63 
1971 12   .65  -6.44  -2.89 
1972 01   .25  -5.89  -2.82 
1972 02 -1.89  -8.31  -5.10 
1972 03   .22  -6.23  -3.00 
1972 04  6.26   -.42   2.92 
1972 05 10.93   3.77   7.35 
1972 06 14.11   8.14  11.12 
1972 07 16.24  12.93  14.58 
1972 08 17.84  12.68  15.26 
1972 09 13.96   8.17  11.06 
1972 10 10.09   3.78   6.93 
1972 11  4.42  -2.30   1.06 
1972 12   .85  -6.42  -2.78 
1973 01 -1.14  -7.51  -4.32 
1973 02  -.30  -7.19  -3.74 
1973 03  -.85  -7.75  -4.30 
1973 04  9.05   1.76   5.40 
1973 05 10.20   3.00   6.60 
1973 06 13.21   7.81  10.51 
1973 07 17.92  13.58  15.75 
1973 08 18.41  14.29  16.35 
1973 09 13.87   8.93  11.40 
1973 10  9.52   3.19   6.35 
1973 11  2.79  -3.65   -.43 
1973 12 -4.07 -10.47  -7.27 
1974 01 -5.51 -11.25  -8.38 
1974 02 -3.98 -10.32  -7.14 
1974 03  -.98  -7.66  -4.31 
1974 04  7.94    .28   4.11 
1974 05 11.24   4.42   7.83 
1974 06 14.61   7.89  11.25 
1974 07 16.40  12.37  14.38 
1974 08 17.67  12.93  15.30 
1974 09 13.49   8.45  10.96 
1974 10 11.27   4.31   7.79 
1974 11  3.78  -3.15    .31 
1974 12  -.22  -6.94  -3.58 
1975 01 -4.62 -10.54  -7.58 
1975 02 -4.46 -10.17  -7.32 
1975 03  -.41  -7.48  -3.94 
1975 04  6.53    .28   3.40 
1975 05  9.24   3.45   6.34 
1975 06 14.12   8.83  11.47 
1975 07 17.44  13.32  15.38 
1975 08 17.62  12.84  15.23 
1975 09 16.37  10.92  13.64 
1975 10 10.28   4.26   7.27 
1975 11  4.03  -2.03   1.00 
1975 12 -2.03  -7.87  -4.94 
1976 01 -5.48 -11.49  -8.48 
1976 02  -.18  -7.04  -3.61 
1976 03   .58  -7.26  -3.34 
1976 04  7.05   -.15   3.45 
1976 05 11.12   4.44   7.78 
1976 06 13.90   8.58  11.24 
1976 07 15.76  10.91  13.33 
1976 08 18.11  12.68  15.39 
1976 09 12.89   7.21  10.05 
1976 10  9.35   2.64   5.99 
1976 11  3.57  -3.68    .-5 
1976 12 -1.59  -8.01  -4.80 
1977 01 -6.63 -12.50  -9.56 
1977 02 -6.34 -12.52  -9.43 
1977 03  2.66  -5.76  -1.55 
1977 04  9.06    .65   4.85 
1977 05 10.55   4.35   7.45 
1977 06 14.71   9.46  12.08 
1977 07 18.76  13.11  15.93 
1977 08 18.21  13.03  15.62 
1977 09 16.26  10.59  13.42 
1977 10 11.31   4.44   7.87 
1977 11  5.78   -.41   2.68 
1977 12   .96  -5.89  -2.46 
1978 01 -4.31 -10.12  -7.21 
1978 02 -5.28 -11.55  -8.41 
1978 03  -.54  -7.65  -4.09 
1978 04  6.74  -1.61   2.56 
1978 05 11.44   4.53   7.98 
1978 06 15.01   9.43  12.22 
1978 07 18.53  13.28  15.90 
1978 08 18.71  13.15  15.93 
1978 09 15.99  10.33  13.16 
1978 10 10.42   3.60   7.01 
1978 11  5.11  -1.60   1.75 
1978 12  1.05  -5.59  -2.26 
1979 01 -1.04  -7.70  -4.37 
1979 02   .23  -7.49  -3.63 
1979 03   .55  -6.63  -3.04 
1979 04  7.28  -1.04   3.12 
1979 05 10.13   2.38   6.25 
1979 06 14.44   9.55  11.99 
1979 07 17.64  11.93  14.78 
1979 08 19.16  13.52  16.34 
1979 09 15.55  10.05  12.80 
1979 10 11.05   4.50   7.77 
1979 11  5.70  -1.57   2.06 
1979 12  1.08  -5.61  -2.26 
1980 01 -4.16 -10.40  -7.28 
1980 02 -5.95 -12.80  -9.37 
1980 03  1.20  -6.44  -2.62 
1980 04  6.32  -2.26   2.03 
1980 05 11.91   3.95   7.93 
1980 06 15.24   9.80  12.52 
1980 07 17.60  12.41  15.00 
1980 08 16.52  12.85  14.68 
1980 09 14.94   9.04  11.99 
1980 10  9.93   2.75   6.34 
1980 11  7.45    . 4   3.74 
1980 12 -4.75 -10.28  -7.51 
1981 01 -7.23 -13.23 -10.22 
1981 02 -2.78 -10.44  -6.60 
1981 03  1.95  -5.75  -1.90 
1981 04  7.21  -1.17   3.01 
1981 05 11.25   3.33   7.29 
1981 06 14.87   9.37  12.12 
1981 07 18.20  13.30  15.75 
1981 08 17.40  11.96  14.68 
1981 09 14.14   7.91  11.02 
1981 10  9.67   2.41   6.04 
1981 11  2.67  -3.66   -.49 
1981 12 -1.37  -7.51  -4.44 
1982 01 -4.01 -11.14  -7.57 
1982 02 -3.54 -10.29  -6.91 
1982 03  2.55  -5.99  -1.71 
1982 04  5.19  -2.05   1.57 
1982 05 13.59   5.57   9.58 
1982 06 13.78   7.40  10.59 
1982 07 16.20  10.83  13.52 
1982 08 18.00  12.94  15.46 
1982 09 14.60   8.72  11.66 
1982 10 10.14   3.46   6.80 
1982 11  7.67    .43   4.05 
1982 12   .11  -7.35  -3.62 
1983 01 -2.38  -9.71  -6.04 
1983 02 -3.65 -11.06  -7.35 
1983 03   .64  -6.04  -2.70 
1983 04  9.72   1.99   5.85 
1983 05 12.75   4.58   8.66 
1983 06 14.37   7.25  10.81 
1983 07 17.93  12.40  15.16 
1983 08 18.59  13.80  16.19 
1983 09 16.51  10.77  13.64 
1983 10 10.59   3.38   6.98 
1983 11  2.80  -3.83   -.51 
1983 12 -3.54  -9.22  -6.38 
1984 01 -7.91 -13.01 -10.46 
1984 02 -6.49 -12.85  -9.67 
1984 03 -3.51 -10.02  -6.76 
1984 04  5.43  -1.12   2.15 
1984 05 11.13   3.75   7.44 
1984 06 15.44   9.88  12.66 
1984 07 18.60  13.23  15.91 
1984 08 19.17  13.79  16.48 
1984 09 15.06   8.91  11.98 
1984 10  7.92   2.01   4.96 
1984 11  6.85   -.68   3.08 
1984 12 -1.65  -7.75  -4.69 
1985 01 -5.89 -11.85  -8.87 
1985 02 -2.46  -8.64  -5.55 
1985 03  3.03  -4.69   -.83 
1985 04  7.97    .31   4.14 
1985 05 12.38   5.41   8.89 
1985 06 13.14   8.53  10.83 
1985 07 18.65  13.10  15.87 
1985 08 18.07  13.04  15.55 
1985 09 16.62  11.17  13.89 
1985 10 11.15   3.84   7.49 
1985 11  2.89  -3.62   -.36 
1985 12 -2.51  -8.97  -5.74 
1986 01 -6.95 -12.54  -9.74 
1986 02 -6.49 -13.09  -9.79 
1986 03   .20  -7.30  -3.55 
1986 04  7.38    . 3   3.70 
1986 05 11.43   4.13   7.78 
1986 06 15.17   8.91  12.04 
1986 07 18.06  13.05  15.55 
1986 08 17.77  12.30  15.03 
1986 09 15.98   9.93  12.95 
1986 10  7.40    .75   4.07 
1986 11  5.67  -1.82   1.92 
1986 12  1.89  -5.22  -1.66 
1987 01 -2.63  -9.93  -6.28 
1987 02 -1.70  -8.80  -5.25 
1987 03  2.25  -6.92  -2.33 
1987 04  7.59  -1.29   3.15 
1987 05 11.66   4.08   7.87 
1987 06 14.18   7.61  10.89 
1987 07 17.60  13.25  15.42 
1987 08 18.85  13.33  16.09 
1987 09 14.19   8.39  11.29 
1987 10 12.43   5.43   8.93 
1987 11  6.40   -.24   3.08 
1987 12   .63  -6.09  -2.73 
1988 01 -1.71  -8.14  -4.92 
1988 02 -4.79 -11.62  -8.20 
1988 03   .54  -7.82  -3.64 
1988 04  5.83  -2.15   1.83 
1988 05 11.23   3.55   7.39 
1988 06 15.37   9.22  12.29 
1988 07 18.39  13.39  15.89 
1988 08 18.12  12.69  15.40 
1988 09 15.21  10.25  12.73 
1988 10  9.32   2.60   5.96 
1988 11  1.32  -5.16  -1.91 
1988 12 -1.62  -8.64  -5.13 
1989 01   .19  -6.88  -3.34 
1989 02  -.30  -7.59  -3.94 
1989 03   . 3  -7.42  -3.69 
1989 04  7.51   -.46   3.52 
1989 05 11.25   4.29   7.77 
1989 06 14.22   7.73  10.97 
1989 07 16.51  11.98  14.24 
1989 08 17.71  12.51  15.11 
1989 09 15.48  10.32  12.90 
1989 10 10.29   2.20   6.24 
1989 11  4.96  -1.73   1.61 
1989 12  -.35  -6.49  -3.41 
