1917 06 36.72 -99.99 -99.99 
1917 07 34.30  19.67  26.98 
1917 08 33.29  13.69  23.49 
1917 09 29.49  16.11  22.80 
1917 10 24.84   4.12  14.48 
1917 11 20.99   -.10  10.44 
1917 12 13.53 -99.99 -99.99 
1918 02 14.96 -99.99 -99.99 
1918 03 20.04 -99.99 -99.99 
1918 06 40.65  18.27  29.46 
1918 07 38.43  19.51  28.97 
1918 08 36.04  17.76  26.90 
1918 10 29.81  10.04  19.92 
1918 11 19.12   2.08  10.60 
1918 12 13.13   -.89   6.12 
1919 05 33.46  11.31  22.38 
1919 06 39.16  16.61  27.88 
1919 11 18.87 -99.99 -99.99 
1919 12 15.45  -1.59   6.93 
1920 01 14.98  -2.57   6.20 
1920 02 18.48    .91   9.69 
1921 09 36.05  14.46  25.25 
1922 02 16.96   -.44   8.26 
1922 08 38.30  20.02  29.16 
1922 09 36.48  16.91  26.69 
1923 09 99.99  13.34 -99.99 
1924 01 15.88  -3.26   6.31 
1924 02 20.54    .82  10.68 
1924 03 18.34   1.64   9.99 
1924 07 39.28  22.50  30.89 
1924 08 39.24  20.28  29.76 
1924 11 23.38   3.00  13.19 
1924 12 14.06   -.20   6.93 
1925 01 15.96  -2.85   6.55 
1925 02 20.92   1.45  11.18 
1925 03 23.70   3.40  13.55 
1925 05 34.52  12.99  23.75 
1925 06 35.47  16.15  25.81 
1925 07 39.90  22.57  31.23 
1926 01 14.23  -3.43   5.39 
1926 02 19.16    .40   9.78 
1926 03 22.10   4.96  13.53 
1926 04 23.64   8.71  16.17 
1926 05 30.88   9.76  20.32 
1926 06 39.28  14.51  26.89 
1926 07 39.16  18.76  28.96 
1926 08 39.54  18.82  29.18 
1926 09 35.91  16.53  26.22 
1926 10 29.69   8.91  19.29 
1926 11 22.85   1.89  12.37 
1926 12 14.38    .45   7.41 
1927 01 18.87   -.51   9.18 
1927 02 18.71   3.35  11.03 
1927 04 25.88   4.87  15.37 
1927 05 32.78   7.65  20.21 
1927 06 36.37  13.38  24.87 
1927 07 40.16  19.93  30.04 
1927 08 37.70  18.78  28.24 
1927 09 33.34  15.84  24.59 
1927 10 29.83   6.43  18.12 
1927 11 24.32   3.89  14.10 
1929 06 38.09  14.77  26.43 
1929 07 38.08  23.36  30.72 
1930 07 38.65  21.45  30.05 
1930 12 15.88  -1.66   7.11 
1931 10 28.75   7.84  18.29 
1931 11 17.76   3.03  10.39 
1931 12 13.18  -2.64   5.27 
1932 01 12.25  -3.48   4.38 
1932 02 16.56   1.85   9.20 
1933 01 13.78   -.86   6.46 
1933 03 23.24   3.34  13.29 
1933 06 36.28  15.36  25.82 
1933 08 99.99  20.65 -99.99 
1934 01 18.04  -2.55   7.74 
1934 02 21.15   1.82  11.48 
1935 02 19.04   1.72  10.38 
1935 03 19.07   1.61  10.34 
1935 06 38.20  18.87  28.53 
1935 07 38.66  21.10  29.88 
1936 02 16.59   1.57   9.08 
1936 03 21.56   2.74  12.15 
1936 04 27.25   7.65  17.45 
1936 05 33.63  10.90  22.26 
1936 06 36.65  18.91  27.78 
1936 07 38.55  21.93  30.24 
1936 08 36.63  21.39  29.01 
1936 09 32.84  16.16  24.50 
1936 12 15.36   -.67   7.34 
1937 02 16.23  -1.29   7.47 
1937 03 18.85   3.10  10.97 
1937 06 99.99  12.61 -99.99 
1937 07 38.34  21.32  29.83 
1937 09 35.25  17.02  26.13 
1937 11 22.59   2.45  12.52 
1938 01 16.90  -1.01   7.94 
1938 02 16.78   2.59   9.68 
1938 03 21.74   4.03  12.88 
1938 04 99.99   4.14 -99.99 
1938 07 39.05  20.77  29.91 
1938 09 36.09  17.86  26.98 
1938 11 20.62   -.60  10.01 
1939 02 13.51  -1.38   6.06 
1939 03 21.38   3.01  12.19 
1939 06 38.59  17.11  27.85 
1939 07 39.49  23.96  31.72 
1939 08 37.68  21.30  29.49 
1940 01 15.36   -.35   7.50 
1940 02 18.18   1.33   9.75 
1940 06 39.16  20.90  30.03 
1940 09 33.98 -99.99 -99.99 
1940 12 16.77   1.68   9.22 
1941 01 15.03   2.20   8.61 
1941 02 17.18   4.32  10.75 
1941 03 19.95   4.65  12.30 
1941 04 21.28   5.69  13.48 
1941 07 38.90 -99.99 -99.99 
1941 08 37.90  20.78  29.34 
1942 01 16.67   -.67   8.00 
1942 02 16.58   -.60   7.99 
1942 10 28.63  10.72  19.67 
1942 12 21.39   1.30  11.34 
1943 03 99.99   1.67 -99.99 
1943 08 37.27  21.23  29.25 
1944 01 15.77  -1.12   7.32 
1944 02 15.49   1.16   8.33 
1944 07 39.57  21.71  30.64 
1944 08 40.24  22.11  31.17 
1944 12 16.03   1.01   8.52 
1945 01 13.93   1.07   7.50 
1945 02 17.51   3.46  10.48 
1945 07 39.15  23.41  31.28 
1945 08 37.59 -99.99 -99.99 
1945 09 36.45  18.41  27.43 
1946 01 13.31    .93   7.12 
1946 02 17.50 -99.99 -99.99 
1946 04 29.66  12.57  21.11 
1946 05 31.86  14.49  23.17 
1946 06 39.00  19.45  29.22 
1946 07 38.78  22.81  30.79 
1946 08 37.02  21.03  29.02 
1946 09 33.97  18.10  26.03 
1946 10 24.20   8.85  16.53 
1946 11 17.79   2.53  10.16 
1946 12 16.12   1.15   8.63 
1947 03 22.04   5.04  13.54 
1947 04 26.45   8.02  17.23 
1947 05 33.11  14.88  23.99 
1947 06 35.41  17.91  26.66 
1947 07 40.36  21.89  31.12 
1947 08 36.29  20.23  28.26 
1947 09 36.47  17.77  27.12 
1947 10 28.78  11.49  20.13 
1947 11 17.59   2.36   9.97 
1948 02 15.92   1.47   8.69 
1948 12 14.75   1.25   8.00 
1949 01  8.60   -.94   3.83 
1949 02 15.84    .86   8.35 
1949 03 20.66   3.72  12.19 
1949 04 26.89   8.92  17.90 
1949 05 31.37  12.69  22.03 
1949 06 35.73  17.92  26.82 
1949 07 37.80  22.29  30.04 
1949 08 38.06  19.56  28.81 
1949 09 35.66 -99.99 -99.99 
1949 10 26.36  10.66  18.51 
1949 11 24.11   5.66  14.88 
1950 01 14.96   -.50   7.23 
1950 02 20.21   4.52  12.37 
1950 03 22.92   5.86  14.39 
1950 04 29.26  10.52  19.89 
1950 05 31.44  12.91  22.17 
1950 06 37.31  17.54  27.42 
1950 07 36.43  22.68  29.56 
1950 08 38.50  20.15  29.32 
1950 09 34.06  15.43  24.74 
1950 11 24.30   5.70  15.00 
1950 12 20.29 -99.99 -99.99 
1951 01 16.36    .19   8.27 
1951 02 17.62   2.76  10.19 
1951 03 21.23   5.27  13.25 
1951 04 25.29   8.56  16.92 
1951 05 31.46  12.79  22.12 
1951 06 36.20  13.62  24.91 
1951 08 36.39  23.63  30.00 
1951 09 35.93  17.65  26.79 
1951 10 28.56  12.16  20.36 
1951 11 19.46   4.02  11.74 
1951 12 14.05  -2.20   5.92 
1952 01 14.16  -2.00   6.08 
1952 02 16.99  -1.46   7.76 
1952 05 32.65  10.12  21.38 
1952 06 36.18  14.53  25.35 
1952 07 38.66  18.81  28.73 
1952 08 37.89  20.16  29.02 
1952 09 35.80  18.29  27.05 
1952 10 32.39  11.77  22.08 
1952 12 14.12    .50   7.31 
1953 01 17.03   1.24   9.13 
1953 02 17.67    . 9   8.88 
1953 03 20.82   4.04  12.43 
1953 05 26.79   9.77  18.28 
1953 07 37.41  23.25  30.33 
1953 08 37.09  20.69  28.89 
1954 02 22.06   4.46  13.26 
1954 03 18.81   5.60  12.20 
1954 09 35.34  18.40  26.87 
1954 10 30.45  12.85  21.65 
1954 12 16.32    .43   8.37 
1955 01 12.10    . 6   6.08 
1955 02 16.32   -.45   7.93 
1955 03 23.29   4.42  13.85 
1955 05 31.03  13.10  22.06 
1955 07 36.25  20.23  28.24 
1955 08 34.59  21.08  27.84 
1955 09 35.66  16.28  25.97 
1955 10 31.69  11.93  21.81 
1956 01 17.07   1.91   9.49 
1956 02 14.72    .28   7.50 
1956 05 32.68  13.05  22.86 
1956 06 38.98  20.12  29.55 
1956 07 38.27  21.80  30.03 
1956 08 36.89  20.02  28.45 
1956 09 38.50  18.73  28.61 
1956 10 30.00  11.31  20.65 
1957 03 20.31   6.38  13.34 
1957 04 24.69   7.69  16.19 
1957 06 36.47  18.56  27.51 
1957 07 38.57  22.58  30.57 
1957 08 35.93  20.24  28.09 
1957 09 35.83  16.65  26.24 
1957 10 24.55  10.77  17.66 
1958 02 18.54   3.30  10.92 
1958 07 39.28  21.80  30.54 
1958 08 37.93  21.43  29.68 
1958 09 33.70  17.32  25.51 
1958 12 19.04    . 6   9.55 
1959 02 17.53   1.98   9.75 
1959 05 30.25  12.08  21.16 
1959 08 35.04  19.86  27.45 
1959 09 34.57  16.57  25.57 
1959 12 15.57   1.13   8.34 
1960 02 15.07   -.90   7.08 
1960 04 27.91   8.41  18.16 
1960 05 31.65  12.76  22.20 
1960 06 38.81  20.09  29.45 
1960 07 40.11  22.55  31.33 
1960 08 38.50  21.25  29.88 
1960 09 36.81  19.40  28.10 
1960 10 27.37  10.82  19.09 
1960 12 15.72   -.23   7.74 
1961 05 31.72  13.00  22.36 
1961 06 38.09  20.18  29.14 
1961 07 39.66  23.20  31.43 
1961 08 37.23  21.77  29.50 
1962 01 14.75   -.23   7.26 
1962 02 17.84   3.19  10.51 
1962 04 28.56   8.99  18.77 
1962 05 30.52  12.35  21.43 
1962 06 36.43  16.85  26.64 
1962 07 38.91  22.45  30.68 
1962 08 40.40  22.54  31.47 
1962 10 28.71  11.73  20.21 
1962 11 23.61   6.38  14.99 
1963 01 13.60  -1.82   5.89 
1963 02 20.70   4.00  12.35 
1963 03 21.16   3.83  12.49 
1963 05 33.61  14.55  24.08 
1963 06 34.97  17.10  26.03 
1963 07 39.88  24.94  32.41 
1963 08 35.11  21.10  28.10 
1963 09 35.14  18.76  26.95 
1963 10 30.03  12.62  21.32 
1963 11 20.16   6.11  13.13 
1964 02 16.10  -1.05   7.52 
1964 03 18.85   3.42  11.13 
1964 04 24.10   8.45  16.27 
1964 05 31.59  13.13  22.36 
1964 07 39.28  23.84  31.56 
1964 08 35.40  21.06  28.23 
1964 09 32.43 -99.99 -99.99 
1964 10 30.55  12.95  21.75 
1964 11 18.87   3.59  11.23 
1964 12 14.58   1.04   7.81 
1965 01 15.61   1.82   8.71 
1965 02 16.59   1.67   9.13 
1965 03 18.45   3.88  11.16 
1965 04 25.56   7.61  16.58 
1965 05 28.94  11.11  20.02 
1965 06 33.65  14.89  24.27 
1965 07 38.31  22.82  30.56 
1965 08 38.38  21.91  30.14 
1965 09 32.86  16.44  24.65 
1965 11 22.41   7.31  14.86 
1965 12 14.04   2.35   8.20 
1966 01 13.14   -.50   6.32 
1966 02 14.22    .28   7.25 
1966 03 22.24   4.80  13.52 
1966 07 39.37  23.99  31.68 
1966 08 37.65  22.17  29.91 
1966 11 99.99   5.00 -99.99 
1966 12 14.56   -.17   7.19 
1967 01 15.64  -1.44   7.10 
1967 02 19.39   1.69  10.54 
1967 05 30.26  12.97  21.61 
1967 06 34.37  18.40  26.38 
1967 07 37.86  24.55  31.20 
1967 08 37.62  21.41  29.51 
1967 09 99.99  19.62 -99.99 
1967 11 21.83   7.78  14.80 
1967 12 12.27   1.15   6.71 
1968 01 15.20    .97   8.08 
1968 03 21.27   6.21  13.74 
1968 06 38.12  18.33  28.22 
1968 07 38.13  22.31  30.22 
1968 08 34.77  19.58  27.17 
1968 10 28.85  10.35  19.60 
1968 11 19.89   5.31  12.60 
1968 12 13.32   -.65   6.33 
1969 01 15.27   3.90   9.58 
1969 02 15.32   2.49   8.90 
1969 03 18.39   2.92  10.65 
1969 04 26.46   7.91  17.18 
1969 05 32.68  13.00  22.84 
1969 06 35.43  16.87  26.15 
1969 07 38.74  22.52  30.63 
1969 08 39.25  22.35  30.80 
1969 09 35.80  18.20  27.00 
1969 10 26.29  10.40  18.34 
1969 11 19.58   6.00  12.79 
1969 12 15.97   2.51   9.24 
1970 01 15.31    .40   7.85 
1970 02 19.18   4.86  12.02 
1970 03 19.11   5.19  12.15 
1970 04 23.41   7.29  15.35 
1970 05 32.95  14.89  23.92 
1970 06 37.84  19.68  28.76 
1970 07 39.93  24.41  32.16 
1970 08 38.05  23.06  30.55 
1970 09 30.95  16.70  23.83 
1970 10 25.50   9.05  17.27 
1970 11 21.06   5.03  13.04 
1970 12 14.91   2.05   8.47 
1971 01 16.56    .65   8.60 
1971 02 18.31   2.63  10.46 
1971 03 24.19   6.17  15.18 
1971 04 25.64   8.55  17.09 
1971 05 28.93  12.66  20.79 
1971 06 37.00  19.11  28.05 
1971 07 40.38  24.35  32.36 
1971 08 35.37  21.19  28.28 
1971 09 33.57  17.79  25.68 
1971 10 23.40   9.41  16.40 
1971 11 19.20   4.64  11.92 
1971 12 12.59   1.73   7.16 
1972 01 15.62   -.25   7.68 
1972 02 20.89   2.65  11.77 
1972 03 27.68   8.39  18.03 
1972 04 28.26   9.82  19.04 
1972 08 37.46  21.03  29.24 
1972 09 34.82  17.83  26.32 
1972 11 17.11   2.94  10.02 
1972 12 13.81   1.61   7.71 
1973 01 13.56    .69   7.12 
1973 02 15.73   4.07   9.89 
1973 03 15.75   4.12   9.93 
1973 04 23.55   6.43  14.99 
