1951 01 24.11  11.37  17.74 
1951 02 24.21  12.03  18.11 
1951 03 25.95  14.59  20.27 
1951 04 27.47  16.82  22.14 
1951 05 29.80  18.33  24.06 
1951 06 32.73  20.45  26.59 
1951 07 32.18  22.12  27.15 
1951 08 32.79  23.24  28.01 
1951 09 32.66  22.98  27.82 
1951 10 30.02  20.52  25.27 
1951 11 27.28  15.98  21.63 
1951 12 26.92  15.80  21.36 
1952 01 25.82  13.84  19.83 
1952 02 25.36  12.36  18.86 
1952 03 27.90  17.17  22.53 
1952 04 27.22  15.44  21.33 
1952 05 30.38  19.19  24.78 
1952 06 32.18  21.87  27.02 
1952 07 31.82  22.29  27.05 
1952 08 33.52  22.75  28.13 
1952 09 32.57  22.68  27.62 
1952 10 30.36  21.27  25.81 
1952 11 27.93  15.89  21.91 
1952 12 24.90  11.24  18.07 
1953 01 24.58  12.76  18.67 
1953 02 25.69  14.23  19.95 
1953 03 27.73  16.85  22.29 
1953 04 28.77  17.37  23.07 
1953 05 30.47  19.82  25.14 
1953 06 30.41  21.66  26.03 
1953 07 31.85  22.30  27.07 
1953 08 32.50  22.32  27.41 
1953 09 31.92  22.38  27.15 
1953 10 28.60  18.95  23.78 
1953 11 27.16  16.71  21.93 
1953 12 25.41  14.98  20.19 
1954 01 25.41  15.10  20.25 
1954 02 24.56  13.64  19.10 
1954 03 25.77  14.55  20.16 
1954 04 29.00  19.09  24.04 
1954 05 30.12  20.54  25.33 
1954 06 30.82  23.00  26.91 
1954 07 31.98  23.11  27.54 
1954 08 32.72  23.50  28.11 
1954 09 31.59  23.00  27.29 
1954 10 29.58  20.23  24.90 
1954 11 26.68  15.57  21.12 
1954 12 24.08 -99.99 -99.99 
1955 01 24.74 -99.99 -99.99 
1955 02 25.09  14.30  19.69 
1955 03 27.63  16.06  21.84 
1955 04 28.62  17.61  23.11 
1955 05 30.35  19.08  24.71 
1955 06 31.08  21.61  26.34 
1955 07 31.14  22.80  26.97 
1955 08 32.77  23.84  28.30 
1955 09 32.09  23.49  27.79 
1955 10 29.81  20.29  25.05 
1955 11 27.98  16.40  22.18 
1955 12 26.11  14.30  20.20 
1956 01 23.25  10.37  16.81 
1956 02 26.96  15.61  21.28 
1956 03 26.81  14.55  20.68 
1956 04 28.52  17.34  22.93 
1956 05 30.76  19.94  25.35 
1956 06 31.33 -99.99 -99.99 
1956 07 32.41 -99.99 -99.99 
1956 08 33.33  21.56  27.44 
1956 09 31.38  22.06  26.72 
1956 10 30.60  20.51  25.55 
1956 11 27.34  14.77  21.05 
1956 12 26.38  13.28  19.83 
1957 01 26.78  13.03  19.90 
1957 02 27.55  15.75  21.65 
1957 03 26.85  15.88  21.36 
1957 04 29.19  19.25  24.22 
1957 05 30.39  21.45  25.92 
1957 06 32.00  22.76  27.38 
1957 07 32.58  23.48  28.03 
1957 08 32.61  23.43  28.02 
1957 09 31.93  23.29  27.61 
1957 10 29.35  19.58  24.46 
1957 11 28.45  19.02  23.73 
1957 12 24.51  13.34  18.92 
1958 01 21.45  11.95  16.70 
1958 02 20.91  10.17  15.54 
1958 03 25.71  16.43  21.07 
1958 04 28.30  18.14  23.22 
1958 05 29.79  20.14  24.96 
1958 06 31.50  22.80  27.15 
1958 07 32.31  24.00  28.15 
1958 08 32.71  23.45  28.08 
1958 09 32.18  23.35  27.76 
1958 11 28.56  20.20  24.38 
1958 12 25.20  16.10  20.65 
1959 01 23.67  12.94  18.30 
1959 02 27.44  19.76  23.60 
1959 03 26.15  16.57  21.36 
1959 04 28.50  19.16  23.83 
1959 05 29.18  20.83  25.00 
1959 06 30.60  23.06  26.83 
1959 07 31.12  23.25  27.18 
1959 08 31.35  23.54  27.44 
1959 09 31.05  22.94  26.99 
1959 10 30.25  23.44  26.84 
1959 11 27.64  19.27  23.45 
1959 12 24.23  14.19  19.20 
1960 01 24.21  14.10  19.15 
1960 02 23.96  14.41  19.18 
1960 03 24.88  14.19  19.53 
1960 04 27.53  18.85  23.19 
1960 05 28.57  19.28  23.92 
1960 06 30.49  23.58  27.03 
1960 07 31.65  24.07  27.86 
1960 08 31.32  23.94  27.63 
1960 10 31.11 -99.99 -99.99 
1960 11 28.09  19.73  23.91 
1960 12 23.35  13.60  18.47 
1961 01 22.40  13.70  18.04 
1961 02 24.35  16.20  20.27 
1961 03 26.97  19.15  23.06 
1961 04 27.48  18.32  22.90 
1961 05 28.57  20.63  24.59 
1961 06 30.49  23.51  27.00 
1961 07 31.56  24.69  28.12 
1961 08 32.02  24.21  28.11 
1961 09 31.39  22.68  27.03 
1961 10 29.66  20.74  25.20 
1961 11 26.92  17.91  22.41 
1961 12 24.85  15.70  20.27 
1962 01 23.75  14.39  19.07 
1962 02 25.66  16.86  21.26 
