1958 02 21.60  10.00  15.80 
1958 03 23.59  11.07  17.33 
1958 04 31.08  16.26  23.67 
1958 05 31.59  19.14  25.36 
1958 06 35.93  22.04  28.98 
1958 07 35.65  22.53  29.09 
1958 08 37.74  21.39  29.56 
1958 09 33.25  23.03  28.14 
1958 10 27.27  18.62  22.95 
1959 07 35.15  22.01  28.58 
1959 08 35.89 -99.99 -99.99 
1959 09 35.09  21.16  28.12 
1959 10 30.66  18.33  24.49 
1959 11 99.99   8.18 -99.99 
1959 12 23.86   6.96  15.41 
1960 01 21.89   9.85  15.87 
1960 02 22.38   5.47  13.92 
1960 03 23.68  11.36  17.52 
1960 04 30.39  16.20  23.30 
1960 05 32.41  19.43  25.92 
1960 06 36.07  21.87  28.97 
1960 07 36.71  22.93  29.82 
1961 03 28.98  14.36  21.67 
1961 04 30.55  16.26  23.40 
1961 06 33.90  22.88  28.39 
1962 09 35.73  21.15  28.43 
1962 10 32.38  18.37  25.37 
1962 11 26.99 -99.99 -99.99 
1962 12 20.29   7.58  13.93 
1963 02 22.77   5.00  13.88 
1963 03 28.43  11.70  20.06 
1963 04 33.22  19.19  26.20 
1963 05 33.34  19.67  26.50 
1963 06 36.16  22.35  29.25 
1963 07 36.11  22.48  29.29 
1963 08 36.66  22.09  29.37 
1963 09 34.73  20.98  27.85 
1963 10 30.37  16.32  23.34 
1963 11 27.81  13.20  20.50 
1963 12 16.99   3.58  10.28 
1964 01 21.96   6.59  14.27 
1964 02 22.48   6.11  14.29 
1964 03 27.29  11.04  19.16 
1964 04 32.18  19.07  25.62 
1964 05 34.15  21.50  27.82 
1964 06 35.05  21.45  28.25 
1964 07 36.90  22.73  29.81 
1964 08 38.54  22.07  30.30 
1964 09 34.88  20.88  27.88 
1964 10 29.55  11.01  20.27 
1964 11 28.37  13.76  21.06 
1964 12 23.23   8.22  15.72 
1965 01 24.83   8.82  16.82 
1965 02 21.55   6.74  14.14 
1965 03 25.25   8.70  16.97 
1965 04 32.18  16.44  24.31 
1965 05 33.29  21.33  27.31 
1965 06 34.72  21.23  27.97 
1965 07 36.39  21.22  28.80 
1965 08 35.34  21.14  28.24 
1965 09 35.32  21.09  28.20 
1965 10 28.90  14.98  21.93 
1965 11 28.45  16.28  22.36 
1965 12 25.82  13.45  19.63 
1966 01 17.24 -99.99 -99.99 
1966 02 21.18   6.75  13.96 
1966 03 26.67 -99.99 -99.99 
1966 04 31.45  17.61  24.53 
1966 05 30.20 -99.99 -99.99 
1966 06 32.80  21.84  27.32 
1966 07 34.83  22.79  28.81 
1966 08 36.29  24.24  30.26 
1966 09 34.28  20.62  27.45 
1966 10 30.00  14.83  22.41 
1966 11 27.99  11.50  19.74 
1966 12 23.50   6.60  15.05 
1967 01 21.45   6.61  14.03 
1967 02 22.78   7.58  15.18 
1967 03 29.06  14.69  21.87 
1967 04 32.55  20.33  26.43 
1967 05 34.46  19.25  26.85 
1967 06 35.40  21.18  28.29 
1967 07 36.64  22.24  29.43 
1967 12 22.14   9.96  16.04 
1968 01 17.77   7.64  12.70 
1968 02 19.40   7.20  13.29 
1968 03 23.64  11.66  17.65 
1968 04 29.29  17.10  23.19 
1968 05 31.96  20.63  26.29 
1968 06 33.71  21.96  27.83 
1968 07 33.41  22.36  27.89 
1968 08 34.41  21.43  27.92 
1968 09 32.78  19.73  26.25 
1968 10 30.95  17.20  24.07 
1968 11 26.34  11.92  19.13 
1968 12 24.85 -99.99 -99.99 
1969 01 22.96   9.57  16.26 
1969 02 24.46  10.00  17.23 
1969 03 23.85 -99.99 -99.99 
1969 04 30.61  15.75  23.18 
1969 05 31.89  18.67  25.28 
1969 06 35.39  21.52  28.45 
1969 07 37.53  22.72  30.12 
1969 08 35.75  21.54  28.64 
1969 09 33.48  19.87  26.67 
1969 10 29.83  16.29  23.06 
1969 11 24.84   9.30  17.07 
1969 12 24.31   8.22  16.26 
1970 01 17.67   4.73  11.20 
1970 02 23.96   7.52  15.74 
1970 03 25.46   9.00  17.23 
1970 04 31.26  17.03  24.14 
1970 05 29.71  16.46  23.09 
1970 06 32.75  19.98  26.36 
1970 07 34.43  20.59  27.51 
1970 08 36.54  20.65  28.59 
1970 09 32.83  19.86  26.34 
1970 10 29.60  14.91  22.25 
1970 11 26.64   8.04  17.34 
1970 12 26.73  12.74  19.73 
1971 01 24.60  10.12  17.36 
1971 02 26.04   9.57  17.80 
1971 03 30.27  12.30  21.28 
1971 04 29.65  15.16  22.40 
1971 05 32.91  19.75  26.33 
1971 06 34.36  21.47  27.91 
1971 07 36.05  21.74  28.89 
1971 08 33.98  20.95  27.46 
1971 09 31.34  20.58  25.96 
1971 10 29.86  18.83  24.34 
1971 11 26.52  11.89  19.20 
1971 12 24.02  11.36  17.69 
1972 01 24.03 -99.99 -99.99 
1972 02 23.97   9.45  16.70 
1972 03 28.04  15.26  21.65 
1972 04 30.93  17.43  24.18 
1972 05 30.51  18.28  24.39 
1972 06 32.62  21.24  26.93 
1972 07 33.74  21.75  27.74 
1972 08 35.03  21.54  28.28 
1972 09 34.86  21.14  28.00 
1972 10 31.25  16.59  23.92 
1972 11 22.71 -99.99 -99.99 
1972 12 20.74   5.75  13.24 
1973 01 18.00   3.91  10.95 
1973 02 20.53   6.49  13.51 
1973 03 28.19  14.63  21.41 
1973 04 28.34  14.25  21.29 
1973 05 32.96  17.49  25.22 
1973 06 32.77  21.15  26.96 
1973 07 34.73  21.53  28.13 
1973 08 33.14  20.28  26.71 
1973 09 33.33  20.28  26.80 
1973 10 30.09  17.98  24.03 
1973 11 28.43  15.67  22.05 
1973 12 23.68   6.79  15.23 
1974 01 21.95   8.28  15.11 
1974 02 26.32   7.46  16.89 
1974 03 28.98  14.82  21.90 
1974 04 30.04  15.69  22.86 
1974 05 32.75  19.54  26.15 
1974 06 34.28 -99.99 -99.99 
1974 07 35.25  19.33  27.29 
1974 08 36.93  20.55  28.74 
1974 09 32.53  17.81  25.16 
1974 10 29.16  14.25  21.70 
1974 11 24.23 -99.99 -99.99 
1974 12 21.78   6.99  14.38 
1975 01 23.67   6.56  15.11 
1975 02 23.33   7.70  15.51 
1975 03 28.25  13.21  20.73 
1975 04 29.96  17.31  23.63 
1975 06 33.49  22.01  27.75 
1975 07 34.50  21.71  28.10 
1975 08 33.58  21.80  27.69 
1975 09 31.47  19.59  25.53 
1975 10 29.82  16.04  22.93 
1975 11 26.37  10.80  18.58 
1975 12 22.98   7.56  15.27 
1976 01 22.33   8.14  15.23 
1976 02 26.71   9.35  18.03 
1976 03 27.94  15.39  21.66 
1976 04 28.48  17.42  22.95 
1976 05 30.34  17.79  24.06 
1976 06 33.57  20.68  27.12 
1976 07 32.18  21.83  27.00 
1976 08 33.93 -99.99 -99.99 
1976 09 32.81  21.40  27.10 
1976 10 25.40 -99.99 -99.99 
1976 12 18.32 -99.99 -99.99 
1977 01 16.51 -99.99 -99.99 
1977 02 21.16 -99.99 -99.99 
1977 03 99.99  14.14 -99.99 
1977 04 26.67  18.32  22.49 
1977 07 34.30  22.07  28.18 
1977 08 99.99  22.39 -99.99 
1977 09 33.87  28.42  31.14 
1977 10 99.99  18.34 -99.99 
1978 05 32.84  21.20  27.02 
1978 06 35.64  23.39  29.51 
1978 07 35.72 -99.99 -99.99 
1978 08 35.43 -99.99 -99.99 
1978 09 33.59 -99.99 -99.99 
