1960 01 18.70 -99.99 -99.99 
1960 02 25.80   9.10  17.45 
1960 03 23.40  11.50  17.45 
1960 04 30.30  15.30  22.80 
1960 05 40.00  21.90  30.95 
1960 06 44.00  27.50  35.75 
1960 07 39.00  28.30  33.65 
1960 08 37.90  28.40  33.15 
1960 09 38.20  24.40  31.30 
1960 10 34.90  17.20  26.05 
1960 12 22.70   3.70  13.20 
1962 01 19.20   5.20  12.20 
1962 02 21.20 -99.99 -99.99 
1962 03 25.90 -99.99 -99.99 
1962 04 32.59 -99.99 -99.99 
1962 05 38.70 -99.99 -99.99 
1962 06 42.70  26.50  34.59 
1962 07 40.90 -99.99 -99.99 
1962 08 38.00  26.10  32.05 
1962 09 35.30 -99.99 -99.99 
1962 10 33.30 -99.99 -99.99 
1962 11 26.80 -99.99 -99.99 
1962 12 21.10 -99.99 -99.99 
1964 01 15.90   2.20   9.05 
1964 02 21.80   6.60  14.20 
1964 03 29.10  13.60  21.35 
1964 04 33.80  18.79  26.30 
1964 05 38.50  21.80  30.15 
1964 06 41.40  26.90  34.15 
1964 07 38.59  27.80  33.19 
1964 08 37.59  27.60  32.59 
1964 09 36.30  23.90  30.09 
1964 10 34.30  15.60  24.95 
1964 11 27.70   8.39  18.04 
1964 12 20.20   4.80  12.50 
1965 01 20.60   5.80  13.20 
1965 02 20.80   6.80  13.79 
1965 03 26.40  12.20  19.29 
1965 04 27.40  16.10  21.75 
1965 05 35.09  20.50  27.80 
1965 06 40.80  26.10  33.45 
1965 07 39.30  27.30  33.30 
1965 08 37.59  25.60  31.59 
1965 09 38.90  22.10  30.50 
1965 10 35.30  19.10  27.20 
1965 11 28.60  12.30  20.45 
1965 12 21.90   3.90  12.90 
1966 01 23.50   3.90  13.70 
1966 02 23.20  10.50  16.85 
1966 03 25.70  12.80  19.25 
1966 04 30.30  17.10  23.70 
1966 05 39.30  22.10  30.70 
1966 06 41.90  28.50  35.20 
1966 07 39.40  27.40  33.40 
1966 08 38.50  27.50  33.00 
1966 09 36.70  23.90  30.30 
1966 10 32.59  17.40  25.00 
1966 11 28.60   7.90  18.25 
1966 12 22.60   2.50  12.55 
1967 01 20.80   1.80  11.29 
1967 02 24.40   8.60  16.50 
1967 03 26.10  11.60  18.85 
1967 04 30.70  17.20  23.95 
1967 05 37.90  21.40  29.65 
1967 06 43.90  27.50  35.70 
1967 07 40.20  29.10  34.65 
1967 08 37.20  26.80  32.00 
1967 09 36.80  24.80  30.80 
1967 10 31.60  16.90  24.25 
1967 11 26.10  11.40  18.75 
1967 12 20.20   6.40  13.30 
1968 01 18.90   5.00  11.95 
1968 02 18.90   5.90  12.40 
1968 03 26.60  12.80  19.70 
1968 04 33.80  18.29  26.05 
1968 05 36.09  22.20  29.15 
1968 06 43.60  28.10  35.84 
1968 07 40.09  28.60  34.34 
1968 08 38.30  27.50  32.90 
1968 09 40.59  24.40  32.50 
1968 10 32.70  16.79  24.75 
1968 11 28.60  10.60  19.60 
1969 02 21.40   7.30  14.35 
1969 03 30.30  15.60  22.95 
1969 04 32.70  17.70  25.20 
1969 05 37.20  21.80  29.50 
1969 06 43.30  25.70  34.50 
1969 07 40.59  28.80  34.69 
1969 08 38.09  27.40  32.75 
1969 09 38.00  24.60  31.30 
1969 10 33.30  19.70  26.50 
1969 11 29.30  11.90  20.59 
1969 12 24.70   4.90  14.80 
1970 01 20.29   5.30  12.79 
1970 02 23.30   6.60  14.95 
1970 03 25.90  13.00  19.45 
1970 04 37.20  19.50  28.35 
1970 05 40.20  25.30  32.75 
1970 06 42.90 -99.99 -99.99 
1970 07 40.70  28.90  34.80 
1970 08 38.59  28.70  33.65 
1970 09 35.70  25.50  30.60 
1970 10 35.59  19.20  27.40 
1970 11 29.20   9.30  19.25 
1970 12 24.00   4.80  14.40 
1971 04 35.80  20.60  28.20 
1971 05 39.30  24.80  32.05 
1971 06 41.90  30.20  36.05 
1971 07 39.30  27.70  33.50 
1971 08 38.59  27.60  33.09 
1971 09 37.80  22.10  29.95 
1971 10 34.70  15.30  25.00 
1971 11 28.40  10.00  19.20 
1971 12 22.90   4.50  13.70 
1972 01 19.60   3.40  11.50 
1972 02 18.70   5.00  11.85 
1972 03 27.70  12.80  20.25 
1972 04 32.80  16.00  24.40 
1972 05 38.50  22.60  30.55 
1972 06 43.20  27.00  35.09 
1972 07 40.40  26.40  33.40 
1972 08 37.70  25.70  31.70 
1972 09 36.80  22.00  29.40 
1972 10 33.00  15.20  24.10 
1972 11 28.10  10.20  19.15 
1972 12 20.10   6.70  13.40 
1973 01 18.40   3.30  10.85 
1973 02 22.40   8.60  15.50 
1973 03 25.60  11.80  18.70 
1973 04 35.40  19.79  27.60 
1973 05 40.09  24.70  32.40 
1973 06 43.80  29.40  36.59 
1973 07 38.20  28.40  33.30 
1973 08 35.40  26.40  30.90 
1973 09 36.90  24.70  30.80 
1973 10 33.40  14.80  24.10 
1973 11 28.20   7.50  17.85 
1973 12 20.60   2.70  11.65 
1974 01 19.70   3.20  11.45 
1974 02 19.60   4.90  12.25 
1974 03 29.50  13.30  21.40 
1974 04 35.70  18.79  27.25 
1974 05 39.40  22.40  30.90 
1974 06 41.70  25.80  33.75 
1974 07 40.50  27.80  34.15 
1974 08 39.59  27.20  33.40 
1974 09 38.70  23.50  31.10 
1974 10 34.20  12.40  23.30 
1974 11 28.70   7.00  17.85 
1974 12 19.00   4.60  11.80 
1975 01 19.60   3.30  11.45 
1975 02 20.10   5.00  12.55 
1975 03 26.40  10.60  18.50 
1975 04 33.59  17.90  25.75 
1975 05 39.80  23.10  31.45 
1975 06 41.60  24.50  33.05 
1975 07 37.70  26.00  31.85 
1975 08 37.20  26.60  31.90 
1975 09 36.00  24.00  30.00 
1975 10 36.20  15.20  25.70 
1975 11 28.20   6.20  17.20 
1975 12 22.80   4.50  13.65 
1976 01 20.50   3.30  11.90 
1976 02 21.10   7.30  14.20 
1976 03 25.70  10.80  18.25 
1976 04 32.80  16.60  24.70 
1976 05 40.00  22.20  31.10 
1976 06 41.60  25.10  33.34 
1976 07 40.00  28.30  34.15 
1976 08 34.40  25.00  29.70 
1976 09 35.59  23.20  29.40 
1976 10 33.70  16.60  25.15 
1976 11 28.80   7.60  18.19 
1976 12 21.80   3.30  12.54 
1977 01 18.70   3.00  10.85 
1977 02 24.10   4.90  14.50 
1977 03 31.60  11.50  21.55 
1977 04 33.40  18.60  26.00 
1977 05 37.09  21.50  29.30 
1977 06 41.20  26.40  33.80 
1977 07 38.40  27.60  33.00 
1977 08 37.30  27.10  32.20 
1977 09 36.40  23.10  29.75 
1977 10 34.00  18.70  26.35 
1977 11 28.70  12.10  20.40 
1977 12 22.10   6.00  14.05 
1978 01 19.60   2.50  11.05 
1978 02 21.50   5.40  13.45 
1978 03 25.00  11.30  18.15 
1978 04 34.50  18.20  26.35 
1978 05 43.50  24.80  34.15 
1978 06 43.30  28.10  35.70 
1978 07 35.09  26.40  30.75 
1978 08 37.40  27.20  32.30 
1978 10 34.59  16.29  25.45 
1978 11 26.40  10.20  18.29 
1978 12 23.60   3.60  13.60 
