| YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1893 | 32.52 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 32.52 | ||
| 1894 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1895 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1896 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 65.07 | a | 42.53 | 47.29 | 51.63 | |||
| 1897 | 42.26 | 48.00 | 47.45 | 70.90 | 78.94 | 71.77 | 75.19 | 86.81 | 72.43 | 66.81 | 48.03 | 44.97 | 62.80 | |||||||||||||
| 1898 | 41.48 | 49.96 | 52.45 | 63.03 | 67.97 | 73.90 | 81.19 | 85.16 | 79.57 | 53.44 | o | 46.33 | z | 42.64 | t | 66.08 | ||||||||||
| 1899 | 45.97 | 45.39 | 52.45 | 58.47 | 58.57 | a | 70.27 | 81.71 | 74.87 | 86.13 | 64.42 | 58.40 | 48.35 | 62.08 | ||||||||||||
| 1900 | 52.94 | 50.00 | 68.19 | 61.00 | q | 67.77 | 70.80 | 77.61 | 76.06 | ----- | z | ----- | z | ----- | z | 50.44 | m | 66.20 | ||||||||
| 1901 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1902 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1903 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1904 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1905 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1906 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1907 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1908 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1909 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1910 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1911 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1912 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1913 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1914 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1915 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1916 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1917 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1918 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1919 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1920 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1921 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1922 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1923 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1924 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1925 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1926 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1927 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1928 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1929 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1930 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1931 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1932 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1933 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1934 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1935 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1936 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1937 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1938 | ----- | z | ----- | z | ----- | z | ----- | z | 71.19 | 78.97 | 85.32 | 81.39 | 83.87 | 68.10 | 52.40 | 52.94 | 71.77 | |||||||||
| 1939 | 52.27 | a | 47.82 | 60.23 | a | 70.10 | 70.48 | 69.73 | 80.00 | a | 84.19 | 77.03 | 63.65 | 55.77 | 50.35 | 65.14 | ||||||||||
| 1940 | 47.55 | 49.79 | 57.23 | 60.90 | 71.10 | 76.00 | 75.06 | 79.03 | 72.40 | 63.23 | 48.43 | 46.90 | 62.30 | |||||||||||||
| 1941 | 48.55 | 54.29 | 61.97 | 62.30 | 64.35 | 67.73 | 81.16 | 73.94 | 65.73 | 61.77 | 53.80 | 45.61 | 61.77 | |||||||||||||
| 1942 | 42.71 | 47.29 | 54.03 | 59.70 | 62.26 | 66.90 | 76.68 | 77.35 | 74.33 | 65.00 | 48.80 | 44.97 | 60.00 | |||||||||||||
| 1943 | 40.97 | 52.96 | 51.84 | 61.97 | 62.13 | 67.87 | 73.63 | l | ----- | z | 77.80 | 61.10 | 54.43 | 47.62 | e | 57.87 | ||||||||||
| 1944 | 45.29 | 47.41 | 51.97 | 57.97 | 64.23 | 68.13 | 76.48 | 74.52 | 75.73 | 68.69 | b | 51.93 | 45.74 | 60.67 | ||||||||||||
| 1945 | 47.55 | 48.89 | 49.03 | 55.07 | 67.97 | 69.67 | 78.55 | 77.94 | 70.43 | 63.40 | a | 48.43 | 44.61 | 60.13 | ||||||||||||
| 1946 | 45.13 | 46.64 | 52.13 | 57.63 | 67.35 | 67.10 | 75.45 | 77.45 | 70.73 | 56.65 | 50.03 | 46.19 | 59.37 | |||||||||||||
| 1947 | 41.13 | 53.89 | 59.10 | 62.33 | 70.87 | 67.80 | 73.83 | a | 74.03 | 74.40 | 59.90 | a | 51.70 | 46.67 | a | 61.30 | ||||||||||
| 1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 74.42 | 72.00 | c | 71.03 | 60.70 | a | 47.67 | 40.45 | 61.05 | |||||
| 1949 | 37.65 | 44.82 | 52.65 | 63.37 | 68.32 | c | 71.10 | 75.53 | a | 74.42 | 75.50 | 59.48 | 58.43 | b | 43.42 | 60.39 | ||||||||||
| 1950 | 34.06 | 45.25 | 48.79 | b | 56.36 | b | 64.68 | 71.11 | u | 76.75 | c | 78.62 | g | 74.83 | 57.77 | 49.80 | 50.10 | b | 55.84 | |||||||
| 1951 | 41.83 | a | 49.29 | d | 48.39 | c | 64.83 | 66.76 | b | 74.70 | 76.69 | b | 76.45 | 76.27 | 61.34 | b | 50.23 | d | 41.10 | 60.66 | ||||||
| 1952 | 40.20 | f | 46.31 | 50.14 | b | 62.57 | 67.27 | a | 64.82 | h | 80.00 | 78.72 | b | 79.57 | 72.29 | 51.57 | 46.67 | d | 63.51 | |||||||
| 1953 | 49.90 | 49.71 | 52.87 | 57.34 | a | 63.43 | a | 64.76 | a | 76.29 | 75.86 | c | 74.47 | 65.06 | 53.68 | b | 47.16 | 60.88 | ||||||||
| 1954 | 42.07 | b | 51.57 | 53.60 | a | 57.20 | j | 66.42 | 67.17 | a | 72.26 | 71.16 | 70.52 | c | 62.73 | a | 53.93 | 44.93 | b | 59.67 | ||||||
| 1955 | 43.71 | 46.68 | 47.06 | 53.10 | 62.23 | 70.10 | 70.74 | 77.52 | 72.87 | ----- | z | ----- | z | ----- | z | 60.44 | ||||||||||
| 1956 | 44.68 | 40.97 | 50.00 | 64.33 | 71.81 | 66.00 | 79.68 | 76.06 | 72.23 | 57.35 | 53.20 | 46.61 | 60.24 | |||||||||||||
| 1957 | 37.58 | 49.46 | 52.45 | 60.13 | 68.13 | 69.86 | a | 73.48 | 72.19 | 78.30 | 60.97 | 52.63 | 48.16 | 60.28 | ||||||||||||
| 1958 | 48.61 | 54.07 | 52.16 | 58.20 | 72.23 | 73.77 | 82.68 | 81.71 | 72.50 | 66.68 | 50.10 | 49.61 | 63.53 | |||||||||||||
| 1959 | 44.97 | 46.14 | 52.81 | 59.90 | 63.71 | 68.50 | 78.55 | 75.03 | 67.00 | 62.32 | 52.97 | 44.97 | 59.74 | |||||||||||||
| 1960 | 40.50 | c | 47.07 | 53.26 | 58.45 | a | 61.57 | a | 72.60 | 82.03 | 73.65 | 73.55 | a | 62.75 | c | 49.83 | a | 45.42 | e | 60.06 | ||||||
| 1961 | 49.10 | 49.29 | 52.37 | a | 56.80 | 64.45 | 78.47 | 79.86 | c | 82.42 | 70.13 | 61.39 | 47.93 | a | 43.37 | a | 61.30 | |||||||||
| 1962 | 43.00 | 49.18 | 51.42 | 61.43 | 59.03 | a | 71.29 | b | 76.87 | 74.32 | 74.00 | c | 61.94 | 51.87 | 46.35 | 60.06 | ||||||||||
| 1963 | 40.23 | 55.68 | 52.77 | 56.28 | a | 67.39 | 67.43 | 70.38 | b | 75.10 | 75.97 | a | 60.94 | 49.27 | 44.84 | 59.69 | ||||||||||
| 1964 | 43.42 | 48.76 | 51.58 | ----- | z | 62.71 | 68.57 | 73.19 | 71.94 | 69.21 | a | 65.00 | a | 46.90 | 39.80 | a | 58.28 | |||||||||
| 1965 | 43.55 | 48.15 | a | 58.62 | b | ----- | z | 63.74 | 71.23 | 78.00 | c | 76.74 | 70.33 | 65.23 | 51.07 | 40.65 | 60.66 | |||||||||
| 1966 | 41.26 | 46.29 | 52.45 | 60.03 | 67.55 | 69.17 | 73.77 | 77.71 | 73.57 | 61.68 | 51.30 | 44.67 | a | 59.95 | ||||||||||||
| 1967 | 44.93 | a | 49.46 | 49.71 | 54.30 | 65.90 | 75.67 | 79.05 | k | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 56.66 | ||||||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 43.67 | 48.77 | 53.16 | 60.28 | 66.44 | 70.55 | 77.17 | 76.96 | 74.14 | 63.01 | 51.20 | 45.82 | 61.02 | |||||||||||||
| S.D. | 4.64 | 3.12 | 4.44 | 4.18 | 4.20 | 3.54 | 3.57 | 3.95 | 4.36 | 3.40 | 3.30 | 2.94 | 1.42 | |||||||||||||
| SKEW | -0.21 | 0.21 | 1.53 | 0.73 | 0.56 | 0.76 | 0.14 | 0.85 | 0.69 | 0.48 | 0.04 | -0.03 | 1.40 | |||||||||||||
| MAX | 52.94 | 55.68 | 68.19 | 70.90 | 78.94 | 78.97 | 85.32 | 86.81 | 86.13 | 72.29 | 58.43 | 52.94 | 65.14 | |||||||||||||
| MIN | 32.52 | 40.97 | 47.06 | 53.10 | 58.57 | 64.76 | 70.38 | 71.16 | 65.73 | 56.65 | 42.53 | 39.80 | 59.37 | |||||||||||||
| NO YRS | 32 | 32 | 32 | 28 | 33 | 31 | 32 | 31 | 32 | 31 | 31 | 31 | 22 | |||||||||||||