1923 06 -99.99   8.72 -99.99 
1923 07 -99.99  12.08 -99.99 
1923 08  30.66  10.31  20.48 
1923 09  27.39   7.17  17.27 
1924 05  26.57   5.08  15.82 
1924 06  27.04   7.14  17.09 
1924 07  32.34  10.17  21.25 
1924 08  31.05   8.10  19.57 
1925 05  23.69   5.54  14.61 
1925 06  25.82   9.20  17.51 
1925 07  33.89  11.75  22.82 
1925 08  30.21   9.55  19.87 
1925 09  24.40   7.70  16.04 
1926 05  20.78   4.91  12.84 
1926 06  27.77   7.82  17.79 
1926 07  33.53  11.29  22.41 
1926 08  29.50   9.64  19.57 
1926 09  19.24   4.48  11.86 
1926 11   7.48   0.23   3.85 
1926 12   1.86  -4.44  -1.29 
1927 01   1.72  -3.88  -1.08 
1927 02   4.32  -3.19   0.56 
1927 03   8.63  -1.84   3.39 
1927 04  14.62   0.11   7.36 
1927 05  16.85   3.62  10.23 
1927 06  25.63   7.91  16.77 
1927 07  32.08   9.47  20.78 
1927 08  30.40   9.71  20.05 
1927 09  20.86   6.59  13.72 
1927 10  14.77   3.43   9.10 
1927 11   6.99 -99.99 -99.99 
1927 12  -1.04 -99.99 -99.99 
1928 01   1.24 -99.99 -99.99 
1928 02   4.77 -99.99 -99.99 
1928 03   8.77   -.76   4.00 
1928 04  12.61   1.30   6.95 
1928 05  25.17   5.57  15.37 
1928 08  30.87   8.49  19.68 
1928 09  26.61   5.33  15.97 
1928 11   7.18  -1.15   3.01 
1929 06  23.16   7.89  15.52 
1929 07  31.94   9.39  20.66 
1929 08  33.03  10.69  21.85 
1929 09  21.21   3.95  12.58 
1930 06  24.50   6.97  15.73 
1930 07  30.77  11.10  20.93 
1930 08  31.36  12.33  21.84 
1930 09  24.15   7.84  15.99 
1930 10  14.64   3.03   8.83 
1931 06  28.47 -99.99 -99.99 
1931 07  33.87   9.89  21.88 
1931 08  33.64   9.46  21.55 
1931 09  23.14   6.82  14.98 
1931 11 -99.99  -2.68 -99.99 
1932 06  26.63   8.32  17.47 
1932 07  30.29  10.02  20.15 
1932 08  31.16   9.97  20.56 
1932 09  27.12   4.21  15.67 
1932 10  13.96   2.86   8.41 
1932 11   6.49   0.58   3.54 
1932 12   1.08  -7.58  -3.25 
1933 01   1.90  -6.11  -2.10 
1933 02   1.02  -8.64  -3.81 
1933 03   8.89  -1.77   3.56 
1933 04  15.97   0.37   8.17 
1933 06  26.96   9.20  18.08 
1933 07  32.27   9.81  21.04 
1933 08  30.35   9.09  19.72 
1933 09  22.15   4.69  13.42 
1933 10  17.12   3.48  10.30 
1933 11   8.68   -.11   4.28 
1934 01   5.11   -.62   2.24 
1934 02   9.76   -.54   4.61 
1934 03  14.70   1.16   7.93 
1934 04  22.79   4.35  13.57 
1934 05  25.89   6.73  16.31 
1934 06  26.21   8.10  17.15 
1934 07  31.74  10.78  21.26 
1934 08  33.05   9.50  21.27 
1934 09 -99.99   4.92 -99.99 
1934 10 -99.99   8.68 -99.99 
1934 11 -99.99   1.72 -99.99 
1934 12   2.99  -3.52   -.26 
1935 01   1.69  -6.78  -2.54 
1935 02   5.10  -6.69   -.79 
1935 03   7.11  -2.76   2.17 
1935 04  13.24   -.26   6.49 
1935 05  21.25   3.25  12.25 
1935 06  25.12   7.52  16.32 
1935 07  31.35  10.99  21.17 
1935 08  29.83   8.45  19.14 
1935 09  27.49   6.11  16.79 
1935 10  17.37   1.94   9.65 
1935 11   5.59  -4.21   0.69 
1935 12   2.45  -4.44   -.99 
1936 01   2.25  -4.15   -.95 
1936 02   0.01  -9.74  -4.86 
1936 03   6.99  -2.00   2.49 
1936 04  16.57   1.48   9.02 
1936 05  24.42   6.81  15.61 
1936 06  26.38  11.29  18.83 
1936 07  32.97  12.60  22.78 
1936 08  31.19  10.35  20.77 
1936 09  22.66   5.53  14.09 
1936 10  18.29   0.97   9.63 
1936 11   4.48  -4.62  -0.06 
1936 12   3.14  -4.10   -.47 
1937 01  -2.28 -99.99 -99.99 
1937 02   4.79  -7.81  -1.51 
1937 03  10.50  -1.81   4.34 
1937 04  11.81   1.08   6.44 
1937 05  22.44  10.79  16.61 
1937 06  24.90   8.38  16.64 
1937 07  31.47  11.81  21.64 
1937 08  27.88   8.76  18.32 
1937 09  26.30   7.17  16.73 
1937 10  17.56   4.19  10.87 
1937 11   8.42   1.26   4.84 
1937 12   3.69  -1.70   0.99 
1938 01   2.65  -4.32   -.83 
1938 02   6.62  -2.78   1.92 
1938 03   8.66  -0.07   4.29 
1938 04  15.86   1.71   8.78 
1938 05  20.87   4.86  12.86 
1938 06  26.58   9.54  18.06 
1938 07  31.15  11.89  21.52 
1938 08  29.34   8.93  19.13 
1938 09  29.09   8.79  18.94 
1938 10  15.72   4.86  10.29 
1938 11   5.39  -1.93   1.73 
1938 12   3.29  -3.67   -.19 
1939 01   3.74  -1.21   1.26 
1939 02   3.06  -5.40  -1.17 
1939 03  10.72  -1.70   4.51 
1939 04  18.41   1.76  10.08 
1939 05  23.64   5.62  14.62 
1939 06  22.85   7.22  15.03 
1939 07  31.85  11.18  21.51 
1939 08  32.98   8.77  20.87 
1939 09  25.70   6.06  15.88 
1939 10  15.97   3.78   9.87 
1939 11   8.02  -1.68   3.17 
1939 12   4.79  -1.02   1.88 
1940 01   2.28  -4.76  -1.24 
1940 02   6.11  -1.01   2.55 
1940 03  12.64   0.65   6.64 
1940 04  17.77   3.53  10.65 
1940 05  25.58   5.85  15.71 
1940 06  29.67   8.49  19.08 
1940 07  32.50  11.27  21.89 
1940 08  33.22   9.08  21.15 
1940 09  25.58  10.14  17.86 
1940 10  17.20   5.62  11.41 
1940 11   3.50  -2.76   0.37 
1941 05  20.67   6.78  13.72 
1941 06  25.30   9.75  17.52 
1941 07  33.31  12.09  22.70 
1941 08  29.43  11.76  20.59 
1941 09  19.48   6.81  13.14 
1941 10  15.11   3.28   9.19 
1941 11   8.01   -.43   3.79 
1942 05  19.42   4.92  12.17 
1942 06  23.30   7.22  15.25 
1942 07  32.49  10.83  21.66 
1942 08  32.96   9.42  21.18 
1942 09  26.79   6.04  16.41 
1942 10  19.20   3.72  11.46 
1942 11   7.55   0.44   3.99 
1943 05  18.32   3.10  10.71 
1943 06  22.16   6.31  14.23 
1943 07  31.67  10.05  20.86 
1943 08 -99.99   7.84 -99.99 
1943 09  29.05   4.92  16.99 
1944 06  25.61   8.18  16.90 
1944 07  31.34   8.85  20.09 
1944 08  30.60   8.06  19.33 
1944 09  26.52   7.13  16.82 
1945 06  23.93   7.16  15.54 
1945 07  33.24   9.42  21.33 
1945 08  33.47   8.97  21.22 
1946 06  25.22   4.56  14.89 
1946 07  33.63  10.18  21.91 
1946 08  31.77   8.59  20.18 
1947 06  22.41   8.02  15.21 
1947 07  32.36   9.64  21.00 
1947 08  29.65   8.18  18.92 
1948 07  27.82   9.10  18.46 
1948 08  27.83   9.64  18.74 
1951 06  23.99   5.56  14.77 
1951 07  33.11   9.72  21.41 
1951 08  30.47   8.71  19.59 
1952 06  26.02   7.61  16.81 
1952 07  31.94   8.14  20.04 
1952 08  31.11   8.85  19.98 
1952 10  21.44   -.34  10.55 
1953 05 -99.99   2.41 -99.99 
1953 06  23.54   6.12  14.83 
1953 07  33.41   8.20  20.80 
1953 08  31.50   9.01  20.25 
1953 09  27.66   5.62  16.64 
1954 06  22.56   6.69  14.62 
1954 07  31.38   9.88  20.63 
1954 08  27.63   8.67  18.15 
1954 09  23.69   6.28  14.98 
1955 07  28.69  10.70  19.69 
1955 08  32.31   7.31  19.81 
1955 09  25.88   5.81  15.84 
1956 07  33.02  10.48  21.75 
1956 08  30.08   8.34  19.20 
1956 09  24.94   5.12  15.03 
1957 06  24.75   8.54  16.64 
1957 07  30.32   9.72  20.02 
1957 08  29.98   8.38  19.18 
1957 09  27.93   5.28  16.60 
1958 06  26.65  10.60  18.62 
1958 07 -99.99  10.91 -99.99 
1958 08  32.81  10.80  21.80 
1958 09  25.44   6.34  15.89 
1958 10  18.09   1.69   9.89 
1959 05  19.40 -99.99 -99.99 
1959 06  26.43   8.02  17.22 
1959 07  32.29   9.56  20.92 
1959 08  28.91   8.50  18.70 
1959 10  14.71   3.14   8.92 
1960 06  27.28   6.11  16.69 
1960 07  34.63  10.05  22.34 
1960 08  26.93   8.16  17.54 
1961 06  31.38   8.17  19.77 
1961 07  33.50   9.07  21.28 
1961 08  35.91  10.26  23.08 
1961 09  22.13   2.96  12.54 
1962 05  18.32   3.76  11.04 
1962 06  26.04   6.39  16.21 
1962 07  30.10   7.36  18.73 
1962 08  28.66   8.12  18.39 
1962 09 -99.99   4.52 -99.99 
1963 05  22.16   2.84  12.50 
1963 06  24.20   8.04  16.12 
1963 07  30.09   7.38  18.73 
1963 08  32.66   7.58  20.11 
1963 09  28.43   6.87  17.65 
1963 10  18.64   2.85  10.74 
1964 07  31.88   8.50  20.18 
1964 09  21.44   3.52  12.48 
1965 06  25.25   6.17  15.71 
1965 07  31.88   9.51  20.69 
1965 09  20.24   4.57  12.40 
1966 06  23.75   6.78  15.26 
1966 07  32.58   8.84  20.71 
1966 08  31.60   8.38  19.99 
1966 09  27.76   3.21  15.48 
1967 06  26.77   8.79  17.78 
1967 07  32.91  10.68  21.79 
1967 08  34.70  14.27  24.48 
1967 09  30.98   7.73  19.35 
1969 07  29.69   8.53  19.11 
1969 08  32.62   7.73  20.17 
1969 09  24.17   5.97  15.07 
