1961 09 17.93 -99.99 -99.99 
1961 11  7.99 -99.99 -99.99 
1961 12  3.38 -99.99 -99.99 
1962 02 -1.37 -99.99 -99.99 
1962 03  3.63 -99.99 -99.99 
1962 04  7.44 -99.99 -99.99 
1962 05 11.59   4.12   7.85 
1962 06 15.14   7.89  11.51 
1962 07 16.31   9.34  12.82 
1962 08 17.48  10.58  14.03 
1962 09 15.17   9.35  12.26 
1962 10 12.42   7.24   9.83 
1962 11  7.31   2.32   4.81 
1962 12  3.16  -3.87   -.35 
1963 01  2.23  -3.95   -.86 
1963 02  -.11  -7.89  -4.00 
1963 03  2.65  -2.92   -.13 
1963 04  6.51    .79   3.65 
1963 05 11.24   4.07   7.65 
1963 06 16.04   7.90  11.97 
1963 07 18.75  10.88  14.81 
1963 08 17.68  11.06  14.37 
1963 09 14.67   8.68  11.67 
1963 10 12.87   6.65   9.76 
1963 11  9.41   3.70   6.55 
1963 12 -1.20  -6.60  -3.90 
1964 01  1.57  -5.16  -1.79 
1964 02   .28  -5.81  -2.76 
1964 03  2.38  -2.65   -.13 
1964 04  6.94    .21   3.57 
1964 05 11.79   4.46   8.12 
1964 06 14.83   7.15  10.99 
1964 07 16.04   9.20  12.62 
1964 08 16.62   9.72  13.17 
1964 09 14.95   8.29  11.62 
1964 10 11.54   6.24   8.88 
1964 11  7.35   1.34   4.34 
1964 12  3.66  -2.34    .65 
1965 01 -1.04  -7.27  -4.15 
1965 02  -.58  -8.01  -4.29 
1965 03  2.38  -3.19   -.40 
1965 04  5.69    .21   2.95 
1965 05 10.70   3.90   7.30 
1965 07 17.99   9.03  13.51 
1965 08 18.24   9.81  14.02 
1965 11  6.23    .49   3.36 
1965 12  2.22  -3.37   -.57 
1966 01   .64  -4.91  -2.13 
1966 02   .24  -5.55  -2.65 
1966 03  3.81  -1.35   1.23 
1966 06 15.13   7.18  11.15 
1966 07 18.14   9.53  13.83 
1966 08 18.66  10.55  14.60 
1966 11  9.01   3.73   6.37 
1966 12  3.37  -1.87    .74 
1967 01  2.40  -4.06   -.82 
1967 02  -.99  -9.33  -5.16 
1967 03   .47  -5.35  -2.44 
1967 06 14.55   6.85  10.70 
1967 07 16.85   9.42  13.13 
1967 08 16.70  10.17  13.44 
1967 09 15.26   9.17  12.21 
1967 10 12.05   6.85   9.45 
1967 11  6.98   1.89   4.43 
1967 12  2.88  -3.67   -.39 
1968 01 -2.09  -8.53  -5.31 
1968 02 -2.01  -8.67  -5.34 
1968 03  3.55  -2.49    .52 
1968 04  7.95   1.73   4.84 
1968 05 11.41   4.76   8.08 
1968 06 14.94   8.04  11.49 
1968 07 19.28  10.67  14.97 
1968 08 18.27  10.67  14.47 
1968 09 16.95  10.75  13.85 
1968 11  7.11   1.48   4.29 
1968 12  2.58  -3.10   -.26 
1969 01  1.09  -3.92  -1.41 
1969 02  1.14  -3.04   -.95 
1969 03  2.30  -1.98    .15 
1969 04  7.23   1.50   4.36 
1969 05 11.67   5.34   8.50 
1969 06 16.28   9.35  12.81 
1969 07 18.52  11.43  14.97 
1969 08 19.39  12.63  16.01 
1969 09 16.76  10.94  13.85 
1969 10 11.59   6.35   8.97 
1969 11  9.54   4.16   6.85 
1969 12  4.00   -.76   1.62 
1970 01 -3.18  -8.16  -5.67 
1970 02  1.17  -5.63  -2.22 
1970 03  3.05  -1.79    .63 
1970 04  6.64   1.11   3.87 
1970 05 12.75   6.11   9.43 
1988 01   .84  -5.61  -2.38 
1988 02  1.97  -5.69  -1.86 
1988 03  3.66  -2.77    .44 
1988 04  7.42   1.63   4.52 
1988 05 12.40   4.65   8.52 
1988 06 15.80   7.72  11.76 
1988 07 18.84  10.56  14.70 
1988 08 18.52  11.73  15.12 
1988 09 15.58   9.33  12.45 
1988 10 11.32   5.61   8.46 
1988 11  9.38   3.43   6.40 
1988 12  2.29  -4.67  -1.19 
1989 01  1.85  -5.19  -1.67 
1989 02  -.34  -5.91  -3.12 
1989 03  2.56  -4.16   -.79 
1989 04  6.57   1.42   3.99 
1989 05 14.21   6.81  10.51 
1989 06 17.83   9.20  13.51 
1989 07 18.60  10.76  14.68 
1989 08 19.66  12.10  15.88 
1989 09 17.58   9.93  13.75 
1989 10 13.00   6.63   9.81 
1989 11  7.37   1.55   4.46 
1989 12 -2.84  -9.45  -6.14 
1990 01  3.77  -3.35    .21 
1990 02  1.21  -6.07  -2.43 
1990 03  3.66  -2.27    .69 
1990 04  7.77   1.88   4.82 
1990 05 11.68   5.02   8.35 
1990 06 16.62   8.85  12.74 
1990 07 20.68  11.61  16.14 
1990 08 21.63  12.53  17.08 
1990 09 17.68  10.13  13.90 
1990 10 13.90   8.22  11.06 
1990 11  8.02   2.68   5.35 
1990 12  6.11  -1.48   2.31 
1991 01   .63  -7.24  -3.30 
1991 02  1.77  -4.55  -1.39 
1991 03  4.44   -.89   1.77 
1991 04  8.87   1.73   5.30 
1991 05 13.87   5.66   9.76 
1991 06 17.08   8.42  12.75 
1991 07 20.15  11.27  15.71 
1991 08 19.48  12.08  15.78 
1991 09 15.82  10.08  12.95 
1991 10 13.18   7.21  10.19 
1991 11  8.67   3.68   6.17 
1991 12  3.47  -4.06   -.29 
1992 01   .42  -6.71  -3.14 
1992 02   .29  -6.07  -2.89 
1992 03  2.18  -4.60  -1.20 
1992 04  5.48    . 3   2.75 
1992 05 12.19   3.35   7.76 
1992 06 16.68   8.22  12.45 
1992 07 17.92   9.39  13.66 
1992 08 18.65  11.23  14.94 
1992 09 16.10   9.47  12.78 
1992 10 11.27   5.60   8.43 
1992 11  6.60   1.63   4.11 
1992 12  3.74  -2.77    .48 
1993 01   .48  -6.37  -2.94 
1993 02 -1.66  -9.00  -5.33 
1993 03  2.85  -3.56   -.35 
1993 04  8.88   1.13   5.00 
1993 05 12.60   4.67   8.64 
1993 06 15.35   7.62  11.48 
