1949 09 21.01 -99.99 -99.99 
1949 10  9.50  -4.05   2.72 
1949 11 10.69  -3.55   3.56 
1949 12   .-1 -10.67  -5.34 
1950 01 -4.88 -99.99 -99.99 
1950 02  4.75 -10.03  -2.64 
1950 03  4.16  -9.75  -2.79 
1950 04  8.07  -6.72    .67 
1950 08 23.68   5.65  14.66 
1950 10 11.84   -.41   5.71 
1950 11  3.96  -6.11  -1.07 
1950 12  2.81  -7.87  -2.53 
1951 01 -1.95 -14.09  -8.02 
1951 02  2.06 -11.96  -4.94 
1951 03  1.35 -12.57  -5.60 
1951 04 10.56  -4.34   3.11 
1951 05 14.49    . 4   7.26 
1951 06 15.79    .58   8.18 
1951 07 25.54   5.00  15.27 
1951 08 23.28   4.36  13.82 
1951 09 19.52   -.13   9.69 
1951 10  9.29  -5.34   1.97 
1951 11  3.69  -9.97  -3.14 
1951 12 -2.01 -14.31  -8.16 
1952 01 -1.93 -13.60  -7.76 
1952 02  2.07 -15.28  -6.60 
1952 03  2.01 -13.85  -5.92 
1952 04 11.70  -5.43   3.13 
1952 05 14.08  -1.31   6.38 
1952 06 18.85    .64   9.74 
1952 07 24.29   3.20  13.74 
1952 08 23.85   4.34  14.09 
1952 09 22.26   2.85  12.55 
1952 10 18.99  -1.11   8.93 
1952 11  3.61 -11.17  -3.78 
1952 12  1.01 -10.09  -4.54 
1953 01  2.19  -6.45  -2.12 
1953 02  1.04 -12.44  -5.70 
1953 03  4.60  -9.82  -2.61 
1953 04  6.94  -6.93    . 0 
1953 05  9.59  -3.17   3.21 
1953 06 15.93   1.04   8.48 
1953 07 25.83   5.47  15.65 
1953 08 24.38   4.84  14.61 
1953 09 21.65   1.36  11.50 
1953 10 14.88  -2.20   6.34 
1953 11  6.51  -5.55    .48 
1953 12  -.19 -12.95  -6.57 
1954 01  -.55 -11.97  -6.26 
1954 02  4.98 -11.11  -3.06 
1954 03  2.68 -14.04  -5.68 
1954 04  8.22  -6.36    .93 
1954 05 14.91  -2.54   6.18 
1954 06 15.35   -.42   7.46 
1954 07 25.16   5.86  15.51 
1954 08 21.66   4.12  12.89 
1954 09 18.81    .93   9.87 
1954 10 12.10  -3.56   4.27 
1954 11  8.89  -4.40   2.24 
1954 12  1.90 -13.51  -5.80 
1955 01 -1.17 -14.15  -7.66 
1955 02 -2.35 -16.31  -9.33 
1955 03  -.25 -14.61  -7.43 
1955 04  4.61  -7.89  -1.63 
1955 05 11.33  -2.58   4.37 
1955 06 18.58   1.58  10.08 
1955 07 22.15   5.15  13.65 
1955 08 26.36   5.02  15.69 
1955 09 18.10   1.05   9.58 
1955 10 12.38  -3.15   4.61 
1955 11  -.10  -9.34  -4.72 
1955 12   .47 -11.51  -5.52 
1956 01  -.95 -12.60  -6.77 
1956 02 -2.93 -14.70  -8.81 
1956 03  1.96 -11.24  -4.64 
1956 04  9.07  -4.92   2.07 
1956 05 14.45    .-2   7.21 
1956 06 19.29   1.53  10.41 
1956 07 25.31   6.48  15.89 
1956 08 22.88   4.14  13.50 
1956 09 20.40   1.11  10.75 
1956 10 10.18  -3.12   3.53 
1956 11  4.66 -11.06  -3.20 
1956 12  1.33 -11.14  -4.90 
1957 01 -3.02 -17.95 -10.48 
1957 02  2.46 -10.60  -4.07 
1957 03  4.01  -9.32  -2.65 
1957 04  7.19  -5.13   1.03 
1957 05 13.88    .23   7.05 
1957 06 19.32   1.88  10.60 
1957 07 24.95   3.84  14.39 
1957 08 23.22   2.62  12.92 
1957 09 21.28    .13  10.70 
1957 10 10.74  -3.07   3.83 
1957 12  1.28 -11.52  -5.12 
1958 01  2.27 -13.01  -5.37 
1958 02  4.13  -9.96  -2.91 
1958 03  2.88 -12.87  -4.99 
1958 04  5.98  -8.50  -1.26 
