1921 12  4.55  -5.24   -.34 
1922 01  1.54 -99.99 -99.99 
1922 02  5.96  -5.39    .28 
1922 03  8.54  -3.49   2.52 
1922 04 15.14   1.36   8.25 
1922 05 21.35   6.24  13.79 
1922 06 24.76 -99.99 -99.99 
1922 07 25.52  12.15  18.83 
1922 08 20.60   9.67  15.13 
1922 09 19.84   6.44  13.14 
1922 10 13.61    . 2   6.81 
1922 11 99.99  -3.71 -99.99 
1922 12 99.99  -6.15 -99.99 
1923 01 99.99  -7.36 -99.99 
1923 02   . 6  -8.67  -4.30 
1923 03  8.89  -5.09   1.90 
1923 04 13.35  -1.80   5.77 
1923 05 18.48   2.91  10.69 
1923 06 23.11   9.42  16.26 
1923 07 23.68  10.13  16.90 
1923 08 22.04  11.57  16.80 
1923 09 19.18   7.18  13.18 
1923 10 11.48  -1.78   4.85 
1923 11 99.99  -4.48 -99.99 
1923 12 99.99  -4.48 -99.99 
1924 01 99.99 -13.14 -99.99 
1924 02  -.78 -10.16  -5.47 
1924 03  3.23  -5.46  -1.11 
1924 04 10.97  -1.37   4.80 
1924 05 14.24   1.82   8.03 
1924 06 23.03  10.01  16.52 
1924 07 22.11   9.17  15.64 
1924 08 24.02  10.09  17.05 
1924 09 15.74   5.68  10.71 
1924 10 14.04  -1.32   6.36 
1924 11  4.84  -4.80    . 1 
1924 12  3.44  -8.60  -2.58 
1925 01 99.99  -9.60 -99.99 
1925 02  7.50  -5.25   1.12 
1925 03 10.36  -5.48   2.43 
1925 04 17.91   -.16   8.87 
1925 05 16.89   1.99   9.43 
1925 06 22.09   9.35  15.72 
1925 07 22.73   8.27  15.50 
1925 08 23.34   8.80  16.07 
1990 03 10.57  -3.09   3.73 
1990 04 12.26  -3.88   4.19 
1990 05 16.71   3.20   9.96 
1990 06 21.20 -99.99 -99.99 
1990 07 22.80  12.04  17.42 
1990 08 21.70  11.09  16.39 
1990 10 15.46   1.62   8.54 
1990 11 10.59  -4.23   3.18 
1990 12  7.38  -5.40    .99 
1991 01  1.68  -9.25  -3.78 
1991 02  3.83  -7.05  -1.61 
1991 03  6.20  -4.88    .65 
1991 04 13.92   1.82   7.87 
1991 05 20.77   8.64  14.71 
1991 06 21.25   9.70  15.47 
1991 07 23.43  13.35  18.39 
1991 08 22.30  10.45  16.37 
1991 09 18.33   7.39  12.86 
1991 10 14.94   -.16   7.39 
1991 11  6.88  -4.73   1.07 
1991 12  5.10  -6.18   -.53 
1992 01  1.82  -9.50  -3.84 
1992 02  3.64  -7.53  -1.94 
1992 03  4.78  -4.59    . 9 
1992 04 10.91   -.26   5.32 
1992 05 15.17   4.41   9.79 
1992 06 18.50   8.63  13.56 
1992 07 21.94  12.37  17.15 
1992 08 20.02  10.52  15.27 
1992 09 18.54   7.28  12.91 
1992 10 13.35   -.36   6.49 
1992 11  6.92  -2.09   2.41 
1992 12  1.45  -9.05  -3.80 
1993 01  2.62  -6.13  -1.75 
1993 02   . 5 -11.64  -5.79 
1993 03  3.18  -7.97  -2.39 
1993 04 11.69   -.52   5.58 
1993 05 17.87   4.48  11.17 
1993 06 21.06   8.99  15.02 
1993 07 24.54  12.73  18.63 
1993 08 23.24  11.14  17.19 
1993 09 18.56   8.16  13.36 
1993 10 12.96   -.33   6.31 
1993 11  8.29  -5.34   1.47 
1993 12  -.36  -9.01  -4.68 
1994 01 -2.21 -13.11  -7.66 
1994 02  2.70  -9.39  -3.34 
1994 04 16.28    .68   8.48 
1994 05 14.37   1.14   7.75 
1994 11 11.27  -2.29   4.49 
1995 01   .33  -9.09  -4.38 
1995 02 99.99 -10.48 -99.99 
1995 03  8.58  -4.60   1.99 
1995 08 24.28  12.67  18.47 
1995 09 18.20   5.99  12.09 
1995 10 15.44    .89   8.16 
1995 12  -.38  -9.14  -4.76 
1996 09 18.61   8.79  13.70 
1996 10 14.83   1.74   8.28 
1996 12  4.85  -7.12  -1.13 
1997 01  1.58 -11.22  -4.82 
1997 02  4.25 -99.99 -99.99 
