1959 06 27.69 -99.99 -99.99 
1959 07 31.30 -99.99 -99.99 
1959 11   .89  -9.79  -4.44 
1959 12  2.71  -5.95  -1.61 
1960 01 -4.37 -15.15  -9.76 
1960 02 -5.24 -14.37  -9.80 
1960 03 -2.33 -12.12  -7.22 
1960 04 14.24    .82   7.53 
1960 05 20.62   5.81  13.21 
1960 06 24.06  11.33  17.69 
1960 07 32.80  15.88  24.34 
1960 08 30.48  14.28  22.38 
1960 09 24.78   9.04  16.91 
1960 10 17.44   1.80   9.62 
1960 11  6.38  -6.68   -.14 
1960 12 -3.26 -12.41  -7.83 
1961 01 -2.97 -12.65  -7.81 
1961 02   .96  -9.97  -4.50 
1961 03  8.00  -3.24   2.38 
1961 04 11.21  -2.30   4.45 
1961 05 17.85   5.12  11.48 
1961 06 28.22  13.46  20.84 
1961 07 29.72  14.08  21.90 
1961 08 32.55  15.62  24.08 
1961 09 20.04   6.07  13.05 
1961 10 16.60   3.20   9.90 
1961 11  6.59  -6.17    .21 
1961 12 -2.99 -15.44  -9.21 
1962 01 -5.14 -16.31 -10.72 
1962 02 -4.89 -13.70  -9.29 
1962 03 -1.00  -9.64  -5.32 
1962 04 15.00    .46   7.73 
1962 05 19.39   8.03  13.70 
1962 06 22.43  12.05  17.24 
1962 07 25.33  13.00  19.16 
1962 08 28.15  13.04  20.59 
1962 09 21.03   6.45  13.74 
1962 10 17.65   3.53  10.59 
1962 11  8.70  -2.54   3.08 
1962 12   .84 -10.38  -4.77 
1963 01 -7.61 -19.27 -13.44 
1963 02  1.52 -11.20  -4.84 
1963 03 10.31  -3.44   3.43 
1963 04 12.59   1.08   6.83 
1963 05 19.43   6.59  13.01 
1963 06 26.93  14.04  20.48 
1963 07 30.19  16.29  23.24 
1963 08 29.92  14.55  22.23 
1963 09 23.65  11.20  17.42 
1963 10 21.11   7.77  14.44 
1963 11  9.24  -3.69   2.77 
1963 12 -3.90 -14.38  -9.14 
1964 01   .99 -10.86  -4.93 
1964 02  2.30  -9.89  -3.79 
1964 03  3.66 -10.50  -3.42 
1964 04 13.04   1.20   7.12 
1964 05 21.04   8.39  14.71 
1964 06 24.28  11.85  18.06 
1964 07 30.34  16.67  23.50 
1964 08 27.91  12.92  20.41 
1964 09 22.21   7.00  14.60 
1964 10 17.12   1.67   9.39 
1964 11  5.41  -8.17  -1.38 
1964 12 -6.85 -15.97 -11.41 
1965 03 -2.11 -13.05  -7.58 
1965 04 11.84    .82   6.33 
1965 05 20.01   6.35  13.18 
1965 06 23.83  12.23  18.02 
1965 07 28.38  15.61  21.99 
1965 08 28.05  14.15  21.09 
1965 09 14.98   3.58   9.28 
1965 10 18.70   3.55  11.12 
1965 11  6.57  -5.70    .43 
1965 12  1.55  -7.62  -3.03 
1966 01 10.82 -20.25 -15.53 
1966 02 -6.28 -15.29 -10.78 
1966 03  6.17  -4.71    .72 
1966 04  9.59  -1.82   3.88 
1966 05 20.50   5.04  12.77 
1966 06 25.87  11.59  18.73 
1966 07 31.54  17.27  24.40 
1966 08 26.02  13.06  19.54 
1966 09 22.28   9.18  15.73 
1966 10 16.29   2.38   9.34 
1966 11  2.98  -7.85  -2.43 
1966 12  -.52 -10.10  -5.32 
1967 01  -.34 -12.24  -6.29 
1967 02 -2.14 -14.73  -8.43 
1967 03  5.95  -5.20    .37 
1967 04 12.89   -.45   6.22 
1967 05 16.79   4.05  10.42 
1967 06 21.72  11.20  16.45 
1967 07 28.90  13.43  21.16 
1967 08 29.35  12.68  21.01 
1967 09 23.54   9.45  16.49 
1967 10 14.35   2.23   8.29 
1967 11  5.59  -5.17    .21 
1967 12 -2.45 -12.68  -7.56 
1968 01 -4.08 -15.82  -9.95 
1968 02 -2.13 -12.67  -7.40 
1968 03 10.69  -4.65   3.01 
1968 04 12.72   -.57   6.07 
1968 05 17.10   3.89  10.49 
1968 06 24.14  11.22  17.68 
1968 07 29.03  14.58  21.80 
1968 08 27.87  13.16  20.51 
1968 09 22.96   8.30  15.62 
1968 10 17.19   3.38  10.28 
1969 11  6.75  -4.28   1.23 
1970 01 -9.26 -18.57 -13.91 
1970 02  1.07 -11.03  -4.98 
1970 03   .63 -10.18  -4.77 
1970 04  8.76  -1.50   3.63 
1970 05 20.23   6.00  13.11 
1970 06 26.63  12.62  19.62 
1970 07 31.17  15.05  23.11 
1970 09 22.68   8.39  15.54 
1970 10 14.48    .54   7.51 
1970 11  1.96  -6.41  -2.22 
1970 12 -4.29 -14.30  -9.29 
1971 01 -9.00 -18.12 -13.56 
1971 02 -4.05 -13.46  -8.75 
1971 03  3.74  -6.41  -1.33 
1971 04 14.94   1.68   8.30 
1971 08 31.71  14.56  23.13 
1971 12 -4.54 -14.64  -9.59 
1972 01 -7.92 -19.23 -13.57 
1973 05 20.74   5.59  13.16 
1973 07 30.98  14.22  22.60 
1973 08 33.41  16.54  24.98 
1973 09 20.37   8.02  14.19 
1973 10 17.77   3.36  10.56 
