1957 05 26.70  14.90  20.80 
1957 06 32.80  19.90  26.34 
1957 08 31.20  20.10  25.65 
1957 09 31.20  17.70  24.45 
1957 10 26.10  11.30  18.70 
1958 09 30.80  17.70  24.25 
1958 10 27.30  11.80  19.54 
1958 11 21.70   6.50  14.10 
1958 12 15.90   3.70   9.80 
1959 03 20.40   9.10  14.75 
1959 04 25.80  12.90  19.34 
1959 05 28.10  17.10  22.60 
1959 06 35.59  23.60  29.59 
1959 07 30.50  20.40  25.45 
1959 08 31.10  21.80  26.45 
1959 09 30.00  19.40  24.70 
1959 10 27.60  14.40  21.00 
1959 11 19.70   6.90  13.30 
1959 12 16.29   3.10   9.70 
1961 07 32.09  22.50  27.30 
1961 08 31.60  21.90  26.75 
1961 09 30.80  20.00  25.40 
1961 10 26.80  11.80  19.29 
1961 11 19.20   5.20  12.20 
1961 12 15.50   1.90   8.70 
1962 01 15.00   2.20   8.60 
1962 02 16.10   4.10  10.10 
1962 03 21.10   8.39  14.75 
1962 04 24.40  13.10  18.75 
1962 05 30.80  17.79  24.30 
1962 06 35.59  22.10  28.84 
1962 07 33.20  21.60  27.40 
1962 08 31.70  20.90  26.30 
1962 09 29.60  17.00  23.30 
1962 10 27.40  11.00  19.20 
1962 11 20.60   5.70  13.15 
1962 12 15.30   1.90   8.60 
1963 01 15.60  -1.10   7.25 
1963 02 19.60 -99.99 -99.99 
1963 03 19.20 -99.99 -99.99 
1963 04 23.30 -99.99 -99.99 
1963 05 28.60  15.70  22.15 
1963 06 36.09  22.80  29.45 
1963 07 34.09  22.10  28.09 
1963 08 31.70  20.60  26.15 
1963 09 30.60  16.40  23.50 
1963 10 28.90  12.90  20.90 
1963 11 20.20   6.50  13.35 
1963 12 17.60   2.09   9.85 
1964 01 10.80 -99.99 -99.99 
1964 02 15.20 -99.99 -99.99 
1964 03 22.30 -99.99 -99.99 
1964 04 24.30 -99.99 -99.99 
1964 05 29.80  16.29  23.05 
1964 06 33.80 -99.99 -99.99 
1964 07 31.80 -99.99 -99.99 
1964 08 31.90 -99.99 -99.99 
1964 09 30.40 -99.99 -99.99 
1964 10 28.60 -99.99 -99.99 
1964 11 23.30 -99.99 -99.99 
1964 12 14.80 -99.99 -99.99 
1965 01 14.50   2.30   8.39 
1965 02 12.20   2.70   7.45 
1965 03 19.20   6.80  13.00 
1965 04 20.70  10.10  15.40 
1965 05 28.60  16.60  22.60 
1965 06 33.09  21.90  27.50 
1965 07 32.70  21.10  26.90 
1965 08 30.60  18.70  24.65 
1965 09 31.70  16.20  23.95 
1965 10 27.60  12.80  20.20 
1965 11 21.90   7.80  14.85 
1965 12 17.40   1.20   9.30 
1966 02 19.00   6.10  12.55 
1967 03 18.70   6.90  12.80 
1967 04 24.50  12.60  18.54 
1971 01 15.80   1.80   8.80 
1971 02 16.10   3.90  10.00 
1971 03 23.70   9.20  16.45 
1971 04 28.40  13.90  21.15 
1971 05 32.40  18.10  25.25 
1971 06 35.90  21.30  28.60 
1971 07 30.90  21.00  25.95 
1971 08 31.20  20.60  25.90 
1971 09 31.40  17.20  24.30 
1971 10 29.20  12.20  20.70 
1971 11 23.40   6.60  15.00 
1971 12 18.79   2.90  10.85 
1972 01 14.40   3.30   8.84 
1972 02 12.60   2.30   7.45 
1972 03 20.29   8.30  14.29 
1972 04 23.90  11.20  17.54 
1972 05 30.00  16.90  23.45 
1972 06 35.20  20.20  27.70 
1972 07 33.59  20.40  27.00 
1972 08 31.30  19.79  25.55 
1972 09 29.30  16.60  22.95 
1972 10 25.70  10.60  18.15 
1972 11 22.60   6.80  14.70 
1972 12 14.80   4.19   9.50 
1973 01 11.80   2.30   7.05 
1973 02 16.40   5.50  10.95 
1973 03 19.20   7.50  13.35 
1973 04 27.40  13.90  20.65 
1973 05 32.50  19.20  25.85 
1973 06 35.70  21.30  28.50 
1973 08 30.80  21.30  26.05 
1973 09 31.00  18.79  24.90 
1973 10 26.50  10.80  18.65 
1973 11 22.90   5.60  14.25 
1973 12 15.70   2.20   8.95 
1974 01 12.20   1.30   6.75 
1974 02 12.80   2.50   7.65 
1974 03 21.50   8.70  15.10 
1974 04 28.20  15.20  21.70 
1974 05 30.50  17.00  23.75 
1974 06 33.59  19.79  26.70 
1974 07 32.70  21.60  27.15 
1974 08 31.90  20.70  26.30 
1974 09 31.80  17.00  24.40 
1974 10 28.50  10.90  19.70 
1974 11 23.10   5.50  14.30 
1974 12 13.00   2.60   7.80 
1975 01 12.90   2.50   7.70 
1975 02 14.00   2.70   8.35 
1975 03 19.10   7.70  13.40 
1975 04 25.40  13.00  19.20 
1975 05 30.70  17.10  23.90 
1975 06 34.09  19.50  26.80 
1975 07 30.80  20.10  25.45 
1975 08 30.20  20.70  25.45 
1975 09 30.50  17.60  24.05 
1975 10 29.60  12.20  20.90 
1975 11 22.20   4.80  13.50 
1975 12 16.79   3.20  10.00 
1976 01 14.30   2.80   8.55 
1976 02 16.40   3.60  10.00 
1976 03 17.40   3.70  10.55 
1976 04 24.80  12.40  18.59 
1976 05 32.09  17.90  25.00 
1976 06 33.50  20.40  26.95 
1976 07 32.30  21.80  27.05 
1976 08 29.60  19.90  24.75 
1976 09 30.50  16.40  23.45 
1976 10 27.00  11.30  19.15 
1976 11 23.10   5.40  14.25 
1976 12 16.50   2.20   9.35 
1977 01 12.10   3.20   7.65 
1977 02 17.90   3.80  10.85 
1977 03 25.30  10.70  18.00 
1977 04 25.20  13.50  19.35 
1977 05 27.80  15.50  21.65 
1977 06 33.59  20.60  27.09 
1977 07 30.70  21.40  26.05 
1977 08 31.10  20.80  25.95 
1977 09 30.40  16.70  23.55 
1977 10 24.10  12.70  18.40 
1977 11 22.80   8.10  15.45 
1977 12 15.80   3.60   9.70 
1979 01 14.90   2.70   8.80 
1979 02 15.10   3.90   9.50 
1979 03 17.70   6.10  11.90 
1979 04 26.90  13.60  20.25 
1979 05 27.30  14.90  21.09 
1979 06 36.40  21.50  28.95 
1979 07 33.70  21.80  27.75 
1979 08 31.10  19.40  25.25 
1979 09 30.40  14.80  22.60 
1979 10 25.40  12.30  18.85 
1979 11 22.20   7.30  14.75 
1979 12 16.40  10.30  13.35 
