1950 05 40.25 -99.99 -99.99 
1950 06 40.79  15.14  27.96 
1950 07 36.95  17.87  27.41 
1950 08 34.86  18.49  26.67 
1950 09 36.91  18.18  27.54 
1950 10 40.11  17.94  29.02 
1950 11 37.29  15.50  26.39 
1950 12 35.38  11.46  23.42 
1951 01 34.78  10.79  22.78 
1951 02 36.41  12.63  24.52 
1951 03 42.55  18.67  30.61 
1951 04 43.07  18.62  30.84 
1951 05 45.09  22.20  33.64 
1951 06 43.84  20.88  32.36 
1951 07 39.36  20.75  30.05 
1951 08 34.06  20.96  27.51 
1951 09 36.36  20.64  28.50 
1951 10 41.51  18.00  29.75 
1951 11 37.68  14.79  26.23 
1951 12 32.21  11.14  21.67 
1952 01 34.24  14.33  24.28 
1952 02 36.90  15.86  26.38 
1952 03 39.18  15.42  27.30 
1952 04 43.75  19.01  31.38 
1952 05 42.59  27.01  34.80 
1952 06 41.07  24.53  32.80 
1952 07 37.36  23.72  30.54 
1952 08 32.18  22.15  27.16 
1952 09 34.93  22.09  28.51 
1952 10 38.09  21.96  30.03 
1952 11 38.40  19.18  28.79 
1952 12 32.36  16.54  24.45 
1953 01 32.54  15.75  24.14 
1953 02 36.98  19.00  27.99 
1953 03 39.78  22.69  31.23 
1953 04 41.58  22.65  32.11 
1953 05 42.44  25.69  34.06 
1953 06 40.98  24.87  32.92 
1953 07 37.00  23.30  30.15 
1953 08 34.03  23.28  28.65 
1953 09 37.50  23.79  30.64 
1953 10 40.25  23.68  31.97 
1953 12 30.80  14.13  22.46 
1954 01 33.05  14.97  24.01 
1954 02 36.95  19.68  28.31 
1954 03 39.86  23.19  31.52 
1954 04 42.42  25.50  33.96 
1954 05 41.89  25.15  33.52 
1954 06 40.00  25.05  32.53 
1954 07 34.36  23.28  28.82 
1954 08 31.54  22.39  26.96 
1954 09 37.09  23.39  30.24 
1954 10 37.98  23.10  30.54 
1954 11 35.59  20.83  28.21 
1954 12 31.16  15.47  23.31 
1955 01 31.02  16.24  23.63 
1955 02 33.99  17.43  25.71 
1955 03 37.89  22.50  30.19 
1955 04 40.30  25.17  32.73 
1955 05 39.66  25.12  32.39 
1955 06 38.11  24.91  31.51 
1955 07 35.93  24.28  30.11 
1955 08 33.34  22.45  27.90 
1955 09 34.98  22.75  28.86 
1955 10 37.57  23.25  30.41 
1955 11 33.96  19.16  26.56 
1955 12 30.05  14.80  22.42 
1956 01 30.15  14.04  22.09 
1956 02 37.22  19.94  28.58 
1956 03 39.18  23.89  31.53 
1956 04 40.45  24.10  32.27 
1956 05 40.96  26.00  33.48 
1956 06 40.09  24.92  32.50 
1956 07 34.91  23.80  29.35 
1956 08 31.21  22.27  26.74 
1956 09 35.22  22.33  28.77 
1956 10 36.96  21.96  29.46 
1956 11 36.14  20.63  28.38 
1956 12 30.30  15.80  23.05 
1957 01 30.09  14.25  22.17 
1957 02 30.17  14.08  22.12 
1957 04 40.29  25.53  32.91 
1957 05 40.61  27.00  33.80 
1957 06 38.43  24.78  31.60 
1957 07 35.43  23.95  29.69 
1957 08 34.13  23.20  28.66 
1957 09 35.98  23.32  29.65 
1957 10 38.37  23.73  31.05 
1957 11 38.23  22.57  30.40 
1957 12 32.88  16.65  24.76 
1958 01 32.25  16.31  24.28 
1958 02 31.97  15.89  23.93 
1958 03 37.62  21.34  29.48 
1958 04 41.91  25.62  33.76 
1958 05 40.25  26.50  33.37 
1958 06 39.61  25.36  32.48 
1958 07 33.91  23.56  28.73 
1958 08 32.97  22.31  27.64 
1958 09 37.07  23.82  30.44 
1958 10 38.53  23.54  31.03 
1958 11 37.31  21.71  29.51 
1958 12 33.84  18.17  26.00 
1959 01 30.07  15.69  22.88 
1959 02 31.13  16.52  23.82 
1959 03 37.53  21.27  29.40 
1959 04 40.83  25.82  33.32 
1960 05 41.21  26.30  33.75 
1960 06 40.03  25.54  32.78 
1960 07 34.55  23.81  29.18 
1960 08 35.28  23.80  29.54 
1960 09 36.59  23.50  30.04 
1960 10 38.72  23.66  31.19 
1960 11 33.41  19.54  26.48 
1960 12 34.18  19.75  26.97 
1961 01 30.49  16.48  23.48 
1961 02 28.61  14.89  21.75 
1961 03 33.91  19.39  26.65 
1961 04 39.57  26.08  32.82 
1961 05 41.38  26.96  34.16 
1961 06 38.87  26.23  32.55 
1961 07 34.40  23.56  28.98 
1961 08 31.01  22.66  26.83 
1961 09 35.84  23.11  29.47 
1961 10 36.91  22.47  29.68 
1961 11 32.43  17.92  25.18 
1961 12 28.94  13.71  21.32 
1962 01 28.12  13.21  20.66 
1962 02 31.80  16.37  24.09 
1962 03 38.72  23.98  31.35 
1962 04 39.41  25.84  32.62 
1962 05 40.61  26.15  33.38 
1962 06 37.83  25.26  31.54 
1962 07 35.55  24.60  30.07 
1962 08 31.37  22.97  27.17 
1962 09 34.97  23.30  29.13 
1962 10 38.31  23.69  31.00 
1962 11 37.41  23.32  30.37 
1962 12 31.86  18.12  24.99 
1963 01 31.74  16.09  23.91 
1963 02 37.00  21.30  29.15 
1963 03 34.99  21.56  28.27 
1963 04 39.96  25.47  32.71 
1963 05 40.37  27.31  33.84 
1963 06 38.82  26.80  32.80 
1963 07 34.98  24.86  29.92 
1963 08 33.18  23.55  28.36 
1963 09 36.66  23.94  30.30 
1963 10 37.15  24.33  30.74 
1963 11 32.66  20.07  26.37 
1963 12 32.81  17.08  24.94 
1964 01 30.09  16.29  23.19 
1964 02 30.91  16.51  23.71 
1964 03 38.39  23.55  30.97 
1964 04 41.32  26.98  34.15 
1964 05 40.58  27.15  33.86 
1964 06 38.09  25.31  31.70 
1964 07 34.77  24.38  29.57 
1964 08 30.89  22.86  26.87 
1964 09 35.46  23.85  29.65 
1964 10 37.05  22.98  30.01 
1964 11 33.13  19.65  26.39 
1965 04 39.52  25.39  32.45 
1965 05 40.90  26.26  33.58 
1965 06 38.09  25.27  31.68 
1965 07 36.09  24.65  30.37 
1965 08 32.68  23.27  27.97 
1965 09 36.14  23.93  30.03 
1965 10 37.50  23.67  30.59 
1965 11 31.45  18.26  24.85 
1965 12 29.56  15.11  22.33 
1967 01 32.09  12.60  22.34 
1967 02 36.70  16.70  26.70 
1967 03 38.20  20.00  29.10 
1967 04 42.00  23.20  32.59 
1967 05 42.00  25.40  33.70 
1967 06 38.00  24.50  31.25 
1967 07 33.40  23.00  28.20 
1967 08 30.40  21.90  26.15 
1967 09 32.20  22.20  27.20 
1967 10 36.70  20.60  28.65 
1967 11 35.59  16.20  25.90 
1967 12 36.00  15.20  25.60 
1968 01 32.70  13.30  23.00 
1968 02 36.40  15.40  25.90 
1968 03 39.70  20.20  29.95 
1968 04 39.90  23.20  31.55 
1968 05 39.09  24.30  31.70 
1968 06 34.40  22.90  28.65 
1968 07 31.80  22.10  26.95 
1968 08 32.20  22.00  27.10 
1968 09 34.30  22.50  28.40 
1968 10 37.59  21.00  29.30 
1968 11 36.90  17.90  27.40 
1968 12 35.20  14.60  24.90 
1969 01 31.80  12.80  22.30 
1969 02 38.20  16.70  27.45 
1969 03 41.20  23.20  32.20 
1969 04 41.30  26.00  33.65 
1969 05 39.70  25.80  32.75 
1969 06 38.09  24.50  31.30 
1969 07 34.40  23.30  28.85 
1969 08 32.00  22.40  27.20 
1969 09 33.30  22.60  27.95 
1969 10 36.40  23.00  29.70 
1969 11 36.70  17.70  27.20 
1969 12 36.09  15.10  25.59 
1970 01 34.00  14.30  24.15 
1970 02 35.70  15.50  25.60 
1970 03 38.70  19.60  29.15 
1970 04 41.60  24.50  33.05 
1970 05 40.70  25.50  33.09 
1970 06 39.00  24.70  31.85 
1970 07 34.00  23.20  28.60 
1970 08 30.60  22.10  26.35 
1970 09 32.00  22.90  27.45 
1970 10 36.80  19.79  28.30 
1970 11 35.90  16.00  25.95 
1970 12 33.30  12.80  23.05 
1971 01 31.60  12.50  22.05 
1971 02 36.59  16.00  26.30 
1971 03 41.50  22.00  31.75 
1971 04 41.10  23.50  32.30 
1971 05 40.80  24.50  32.65 
1971 06 38.80  25.40  32.09 
1971 07 34.09  22.90  28.50 
1971 08 30.20  21.90  26.05 
1971 09 33.00  21.80  27.40 
1971 10 37.40  20.40  28.90 
1971 11 36.59  16.29  26.45 
1971 12 33.09  14.30  23.70 
1972 01 32.59  13.40  23.00 
1972 02 36.09  16.90  26.50 
1972 03 40.00  21.70  30.85 
1972 04 41.00  24.90  32.95 
1972 05 39.40  25.50  32.45 
1972 06 37.59  24.10  30.84 
1972 07 35.09  23.40  29.25 
1972 08 32.40  22.50  27.45 
1972 09 35.09  23.00  29.05 
1972 10 36.70  21.60  29.15 
1972 11 34.90  16.60  25.75 
1972 12 35.00  15.60  25.30 
1973 01 34.80  16.20  25.50 
1973 02 37.70  18.50  28.10 
1973 03 39.50  21.70  30.60 
1973 04 42.10  26.40  34.25 
1973 05 41.10  26.20  33.65 
1973 06 39.70  26.00  32.84 
1973 07 36.20  24.60  30.40 
1973 08 32.00  22.30  27.15 
1973 09 34.80  22.90  28.84 
1973 10 38.20  22.10  30.15 
1973 11 34.80  16.90  25.84 
1973 12 35.70  16.10  25.90 
1974 01 30.90  14.50  22.70 
1974 02 35.30  16.70  26.00 
1974 03 38.50  21.00  29.75 
1974 04 41.70  25.90  33.80 
1974 05 39.59  24.70  32.15 
1974 06 38.20  25.40  31.80 
1974 07 31.60  22.90  27.25 
1974 08 31.00  22.90  26.95 
1974 09 33.20  22.40  27.80 
1974 10 37.70  21.50  29.60 
1974 11 36.30  17.70  27.00 
1974 12 31.40  13.10  22.25 
1975 01 29.30  12.20  20.75 
1975 02 34.59  16.90  25.75 
1975 03 39.20  21.10  30.15 
1975 04 41.50  24.50  33.00 
1975 05 40.59  26.00  33.30 
1975 06 38.30  24.70  31.50 
1975 07 31.90  22.30  27.09 
1975 08 30.70  22.20  26.45 
1975 09 31.40  22.00  26.70 
1975 10 36.00  20.70  28.35 
1975 11 36.90  17.79  27.35 
1975 12 32.40  14.00  23.20 
1976 01 32.80  13.90  23.34 
1976 02 37.09  19.00  28.05 
1976 03 37.70  19.90  28.80 
1976 04 40.40  25.10  32.75 
1976 05 39.90  25.60  32.75 
1976 06 36.50  23.70  30.10 
1976 07 32.40  22.30  27.35 
1976 08 31.70  21.90  26.80 
1976 09 33.40  22.00  27.70 
1976 10 36.20  22.60  29.40 
1976 11 35.90  17.20  26.55 
1976 12 34.40  14.90  24.65 
1977 01 29.58  14.81  22.19 
1977 02 31.09  15.83  23.46 
1977 03 33.08  19.68  26.38 
1977 04 38.68  23.78  31.23 
1977 05 40.95  26.88  33.91 
1977 06 40.31  26.27  33.29 
1977 07 37.27  24.43  30.85 
1977 08 32.50  22.91  27.70 
1977 09 36.97  23.88  30.42 
1977 10 36.72  23.03  29.87 
1977 11 32.91  18.19  25.55 
1977 12 28.06  14.57  21.31 
1978 01 29.36  13.88  21.62 
1978 02 33.02  17.69  25.35 
1978 03 36.97  21.63  29.30 
