1951 01 20.68   5.46  13.07 
1951 02 20.29   6.15  13.22 
1951 04 26.18  13.15  19.66 
1951 05 30.71  17.58  24.14 
1951 06 33.06  20.90  26.98 
1951 07 35.78  21.67  28.72 
1951 08 37.32  21.01  29.16 
1951 09 32.27  18.95  25.61 
1951 10 29.34  14.85  22.09 
1951 11 22.30   7.53  14.91 
1951 12 22.46   8.64  15.54 
1952 01 23.23  10.14  16.68 
1952 02 20.91   9.52  15.21 
1952 03 23.28   9.02  16.15 
1952 04 24.87  12.26  18.56 
1952 05 29.38  16.20  22.79 
1952 06 32.50  21.06  26.78 
1952 07 33.59  22.54  28.06 
1952 08 35.73  22.04  28.88 
1952 09 32.48  18.42  25.45 
1952 10 28.12   8.60  18.36 
1952 11 21.90   9.33  15.61 
1952 12 18.49   6.40  12.44 
1953 01 21.76   6.49  14.12 
1953 02 18.37   7.10  12.73 
1953 03 26.38  14.75  20.56 
1953 04 26.89  13.24  20.06 
1953 05 30.17  18.70  24.43 
1953 06 34.63  21.76  28.19 
1953 07 33.91  22.62  28.26 
1953 08 33.34  22.44  27.89 
1953 09 32.46  18.60  25.53 
1953 10 28.71  14.89  21.80 
1953 11 22.15   9.00  15.57 
1953 12 16.89   4.96  10.92 
1954 01 20.84   7.80  14.32 
1954 02 24.38   8.81  16.59 
1954 03 23.35   8.64  16.00 
1954 04 28.29 -99.99 -99.99 
1954 05 28.94  14.61  21.77 
1954 06 33.87  19.99  26.93 
1954 07 34.84  23.29  29.07 
1954 08 35.04  21.94  28.49 
1954 09 33.65  20.34  26.99 
1954 10 29.15  16.64  22.89 
1954 11 23.20   9.02  16.11 
1954 12 21.63   7.08  14.35 
1955 01 18.54   7.64  13.09 
1955 02 19.62   8.32  13.97 
1955 03 24.91  11.56  18.23 
1955 04 27.68  16.12  21.90 
1955 05 31.46  18.57  25.01 
1955 06 32.72  18.69  25.70 
1955 07 33.16  22.21  27.68 
1955 08 33.52  22.35  27.93 
1955 09 32.33  21.10  26.71 
1955 10 29.52 -99.99 -99.99 
1955 11 23.94  10.16  17.04 
1956 01 19.25   4.96  12.11 
1956 02 21.57   9.60  15.58 
1956 03 24.21  10.40  17.30 
1956 04 26.25  13.37  19.81 
1956 05 31.20  18.68  24.94 
1956 06 33.24  20.10  26.67 
1956 07 35.78  20.35  28.06 
1956 08 35.45  21.06  28.25 
1956 09 34.52  19.21  26.87 
1956 10 30.73  15.32  23.02 
1956 11 24.54   9.00  16.77 
1956 12 22.34   9.56  15.95 
1957 01 20.10 -99.99 -99.99 
1957 02 23.21  12.37  17.78 
1957 03 23.06  11.31  17.18 
1957 04 25.42  15.74  20.58 
1957 05 29.88  19.45  24.66 
1957 06 31.79  21.65  26.72 
1957 07 35.53  22.02  28.77 
1957 08 35.62  21.65  28.63 
1957 09 31.14  19.52  25.33 
1957 10 26.11  13.66  19.88 
1957 11 21.79  10.71  16.25 
1957 12 21.52   7.73  14.62 
1958 01 16.57   4.21  10.39 
1958 02 15.71   5.44  10.57 
1958 03 21.04   8.55  14.79 
1958 04 26.97  15.16  21.06 
1958 05 30.82  17.87  24.34 
1958 06 34.66  22.17  28.41 
1958 07 35.11  22.71  28.91 
1958 08 34.74  22.82  28.78 
1958 09 30.71  21.95  26.33 
1958 10 25.72  16.11  20.91 
1958 11 22.64  11.76  17.20 
1958 12 17.61   5.28  11.44 
1959 01 17.21   4.57  10.89 
1959 02 18.81   9.70  14.25 
1959 03 22.69   9.50  16.09 
1959 04 24.49  13.77  19.13 
1959 05 30.11  18.77  24.44 
1959 06 32.16  21.87  27.01 
1959 07 33.13  22.20  27.66 
1959 08 32.24  22.31  27.27 
1959 09 31.69  21.20  26.44 
1959 10 27.74  15.80  21.77 
1959 11 21.76   7.32  14.54 
1959 12 18.56   8.04  13.29 
1960 01 16.68   6.54  11.61 
1960 02 16.12   5.08  10.60 
