1960 01 99.99   -.62 -99.99 
1960 02  7.78    .84   4.31 
1960 03  9.21   1.75   5.48 
1960 04 13.28   4.89   9.08 
1960 05 15.13   7.42  11.27 
1960 06 18.69   9.87  14.28 
1960 07 23.36  11.37  17.36 
1960 08 20.16  11.67  15.91 
1960 09 17.37   7.80  12.58 
1960 10 13.72   7.15  10.43 
1960 11  9.06   2.69   5.87 
1960 12  6.89    .41   3.65 
1961 01  7.49   2.04   4.76 
1961 02  8.84   3.74   6.29 
1961 03 10.67   3.75   7.21 
1961 04 12.08   5.42   8.75 
1961 05 16.06   7.64  11.85 
1961 06 20.87  10.57  15.72 
1961 07 22.87  12.49  17.68 
1961 08 23.41  12.17  17.79 
1961 09 17.78   8.07  12.92 
1961 10 12.52   4.50   8.51 
1961 11  8.09 -99.99 -99.99 
1961 12  6.01   1.19   3.60 
1962 01  5.35   -.29   2.53 
1962 02  8.02   1.96   4.99 
1962 03  8.20    .49   4.34 
1962 04 12.95   5.48   9.21 
1962 07 20.70  11.04  15.87 
1962 08 19.45  11.52  15.49 
1962 09 18.45   8.47  13.46 
1962 10 13.93   7.11  10.52 
1962 11 10.24   4.69   7.47 
1962 12  7.63   2.75   5.19 
1963 01  2.95  -2.72    .11 
1963 02 10.13   2.28   6.20 
1963 03  9.82   2.17   5.99 
1963 04 12.54   4.76   8.64 
1963 05 17.50   6.34  11.92 
1963 06 18.70  10.22  14.46 
1963 07 20.02  10.91  15.46 
1963 08 21.52  11.09  16.30 
1963 09 20.11 -99.99 -99.99 
1963 10 14.59   7.36  10.97 
1963 11  9.57   3.81   6.68 
1963 12  7.06   1.86   4.46 
1964 01  7.16   2.60   4.88 
1964 02  7.79    .99   4.39 
1964 03  9.18   2.75   5.96 
1964 04 11.57   3.45   7.51 
1964 05 15.18   5.81  10.49 
1964 06 17.79  10.03  13.91 
1964 07 19.78  11.42  15.60 
1964 08 20.32  11.07  15.69 
1964 09 17.09   8.30  12.69 
1964 10 13.88   5.05   9.46 
1964 11  7.89   1.45   4.67 
1964 12  4.03  -2.69    .67 
1965 01  5.00    .10   2.55 
1965 02  6.75   2.09   4.42 
1965 03  9.41   -.14   4.63 
1965 04 12.75   5.01   8.88 
1965 05 14.60   5.67  10.13 
1965 06 19.25   8.63  13.94 
1965 07 22.26  10.55  16.40 
1965 08 20.76  12.04  16.40 
1965 09 17.35   7.46  12.40 
1965 10 14.48   6.88  10.68 
1965 11 10.16   4.40   7.28 
1965 12  6.03 -99.99 -99.99 
1966 01  6.21 -99.99 -99.99 
1966 02  8.20 -99.99 -99.99 
1966 03 10.05   2.31   6.18 
1966 04 12.47   3.42   7.94 
1966 05 15.71   6.38  11.04 
1966 06 17.66   8.89  13.28 
1966 08 21.16 -99.99 -99.99 
1966 09 18.85   9.67  14.26 
1966 10 13.27 -99.99 -99.99 
1966 11  9.35   2.77   6.06 
1966 12  8.28   3.14   5.71 
1967 01  6.84 -99.99 -99.99 
1967 02  8.58 -99.99 -99.99 
1967 03  8.92   1.65   5.28 
1967 04 11.39 -99.99 -99.99 
1967 05 15.74   7.14  11.44 
1967 06 20.99  11.01  16.00 
1967 07 21.47 -99.99 -99.99 
1967 08 24.50 -99.99 -99.99 
1967 09 20.60 -99.99 -99.99 
1967 10 14.00 -99.99 -99.99 
1967 11  9.80 -99.99 -99.99 
1968 01  6.20 -99.99 -99.99 
1968 02 10.10 -99.99 -99.99 
1968 03 10.64 -99.99 -99.99 
1968 04 12.24 -99.99 -99.99 
1968 05 17.04 -99.99 -99.99 
1968 06 18.76   9.54  14.15 
1968 07 22.60 -99.99 -99.99 
1968 08 20.25 -99.99 -99.99 
1968 09 17.20   8.63  12.92 
1968 10 12.72 -99.99 -99.99 
1968 12  4.50 -99.99 -99.99 
1969 01   .-5 -99.99 -99.99 
1969 02  6.32 -99.99 -99.99 
1969 03 10.52 -99.99 -99.99 
1969 04 11.72 -99.99 -99.99 
1969 05 18.45   7.60  13.02 
1969 06 21.09  11.83  16.45 
1969 07 21.66 -99.99 -99.99 
1969 09 17.48 -99.99 -99.99 
1969 10 13.37   4.21   8.79 
1969 11  9.14   3.52   6.33 
1969 12  7.47   2.05   4.75 
1970 02  9.12   1.26   5.19 
1970 04 11.65   4.48   8.07 
1970 05 15.65   5.32  10.48 
1970 06 20.45  10.33  15.39 
1970 07 21.11 -99.99 -99.99 
1970 08 21.22   9.47  15.34 
1970 09 17.26   6.97  12.11 
1970 10 12.67   3.84   8.25 
1970 11  8.00   1.39   4.69 
1970 12  5.38    .28   2.83 
1971 01  4.91   -.80   2.05 
1971 02  7.04   1.21   4.12 
1971 03  7.95   1.11   4.52 
