1951 02   .-7 -99.99 -99.99 
1951 04 18.66 -99.99 -99.99 
1951 05 22.59 -99.99 -99.99 
1951 06 26.33  15.20  20.76 
1954 12  2.30 -99.99 -99.99 
1955 05 23.04 -99.99 -99.99 
1984 06 26.29 -99.99 -99.99 
1984 08 99.99  14.06 -99.99 
1984 12 -7.18 -14.48 -10.83 
1985 01 -4.46 -12.62  -8.54 
1985 02 -4.94 -11.08  -8.01 
1985 04 15.04   5.09  10.06 
1985 05 26.70  12.52  19.61 
1985 07 29.06  17.62  23.34 
1985 08 31.86  19.28  25.57 
1985 09 22.18  11.54  16.86 
1985 10 10.90   2.11   6.51 
1985 11  5.78  -1.92   1.93 
1985 12 -2.14  -7.50  -4.82 
1986 01 -1.20  -7.36  -4.28 
1986 02 -7.88 -17.51 -12.69 
1986 03  3.79  -5.26   -.73 
1986 04 20.73   6.83  13.78 
1986 05 23.84  11.85  17.84 
1986 06 31.35  17.41  24.38 
1986 07 31.47  18.45  24.96 
1986 08 30.70  17.45  24.07 
1986 09 23.97  10.69  17.33 
1986 10 12.62   2.30   7.46 
1986 11   .99  -6.19  -2.60 
1987 02 -5.14 -12.53  -8.83 
1987 03 -1.97  -8.63  -5.30 
1987 04 10.12    .98   5.55 
1987 05 24.61  12.74  18.67 
1987 06 31.60  18.62  25.11 
1987 07 30.39  18.49  24.43 
1987 08 27.96  17.21  22.59 
1987 10 11.63  -1.12   5.25 
1987 11   .73  -5.15  -2.21 
1987 12 -1.74  -9.32  -5.53 
1988 01 -6.20 -12.76  -9.47 
1988 02 -4.69 -13.78  -9.23 
1988 03  4.61  -3.27    .67 
1988 04 16.75   4.63  10.69 
1988 05 21.91  11.04  16.47 
1988 06 32.41  19.70  26.06 
1988 07 32.57  21.32  26.94 
1988 08 29.39  17.69  23.54 
1988 09 22.49  11.07  16.77 
1988 10 14.15    .98   7.56 
1988 11  2.53  -2.85   -.15 
1988 12 -1.93  -7.87  -4.90 
1989 01 -2.74  -8.72  -5.73 
1989 02  -.14  -5.27  -2.70 
1989 03  7.97  -1.08   3.44 
1989 04 16.40   4.86  10.63 
1989 05 20.46  10.21  15.34 
1989 06 30.60  18.81  24.70 
1989 08 30.82  17.49  24.15 
1989 09 24.39  11.97  18.18 
1989 10 13.62   4.00   8.80 
1989 11  4.94  -1.56   1.69 
1989 12   .-9  -4.94  -2.51 
1990 02 -1.34  -8.66  -5.00 
1990 03  9.39    .73   5.06 
1990 04 17.95   5.47  11.71 
1990 05 22.31  10.10  16.20 
1990 06 27.01  15.43  21.22 
1990 07 30.54  18.87  24.71 
1990 08 26.64  15.50  21.07 
1990 09 24.22  11.06  17.64 
1990 10 13.67   3.66   8.66 
1990 11  7.44   1.12   4.28 
1990 12 -1.23  -6.25  -3.74 
1991 01 -2.21  -7.88  -5.04 
1991 02 -3.52 -12.02  -7.77 
1991 03  4.51  -3.54    .48 
1991 05 24.58  12.95  18.76 
1991 06 30.96  18.68  24.82 
1991 08 29.27  16.46  22.87 
1991 09 21.79  10.01  15.90 
1992 02 -1.95  -6.76  -4.35 
1992 04 14.31   4.36   9.33 
1992 05 21.13  10.44  15.78 
1992 06 28.32  16.95  22.63 
1992 07 29.96  19.09  24.52 
1992 08 27.99  17.03  22.51 
1992 09 23.68  13.25  18.46 
1992 10 11.47   3.71   7.59 
1992 12 -2.68  -7.54  -5.11 
1993 01 -2.77  -7.95  -5.35 
1993 02 -3.77 -11.38  -7.57 
1993 03  2.50  -4.38   -.94 
1993 04 13.37   4.23   8.80 
1993 05 22.75  11.09  16.92 
1993 06 26.07  16.29  21.18 
1993 07 30.65  19.01  24.83 
1993 08 29.10  17.29  23.19 
1993 09 19.90   8.43  14.16 
1993 12 -2.26  -6.92  -4.59 
1994 02 11.86 -22.68 -17.27 
1994 03   .50  -7.54  -3.52 
1994 04 17.16   4.38  10.77 
1994 06 26.89  15.40  21.14 
1994 07 28.34  17.34  22.84 
1994 08 28.77  17.49  23.13 
1995 08 29.57  17.89  23.73 
1995 11  5.80    .79   3.29 
1996 08 29.00  16.95  22.98 
2000 01  -.49  -6.62  -3.55 
2000 03  7.93   -.20   3.86 
2000 04 19.57   8.92  14.24 
2000 05 23.11   9.83  16.47 
2000 06 25.34  14.32  19.83 
2000 07 29.67  17.74  23.70 
2000 08 29.19  17.62  23.41 
2000 09 20.27  11.43  15.85 
2000 10 15.38   5.97  10.67 
2000 11  8.10   3.08   5.59 
2001 01  4.28  -1.27   1.50 
2001 02  2.17  -3.63   -.73 
2001 03 10.18   1.36   5.77 
2001 04 16.84   7.31  12.07 
2001 05 20.80   9.37  15.08 
2001 06 24.29  13.73  19.01 
2001 07 34.46  21.61  28.03 
2001 08 30.76  18.61  24.68 
2001 09 23.28  12.72  18.00 
2001 10 16.08   5.73  10.90 
2001 11  9.02   1.09   5.05 
2001 12 -1.91  -8.00  -4.95 
2002 04 99.99   4.82 -99.99 
2002 09 99.99  13.69 -99.99 
2002 10 99.99   6.29 -99.99 
2003 01   .49  -4.42  -1.96 
2003 02 99.99  -9.64 -99.99 
2003 03  3.54  -2.50    .52 
2003 04 13.51   3.27   8.39 
2003 05 27.32  13.63  20.47 
2003 06 26.79  13.50  20.14 
2003 07 27.47  17.20  22.34 
2003 08 28.40  16.37  22.39 
2003 09 22.83  11.41  17.11 
2003 10 16.39   5.77  11.08 
2003 11  7.55   3.31   5.43 
2003 12  3.57   -.92   1.32 
2004 01  3.19   -.95   1.12 
2004 02  3.80  -3.32    .24 
2004 03 10.58   1.71   6.14 
2004 04 16.95   5.37  11.16 
2005 02 99.99  -4.56 -99.99 
2005 03 99.99  -3.53 -99.99 
2005 11 99.99   2.24 -99.99 
2006 06 99.99  16.54 -99.99 
2007 02 99.99  -3.00 -99.99 
2008 07 30.81  18.23  24.52 
