YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1893 | 38.81 | 44.64 | ----- | z | ----- | z | ----- | z | 67.12 | n | 81.87 | 80.68 | f | 71.33 | 61.65 | 50.17 | 45.36 | f | 58.08 | f | ||||||
1894 | 39.42 | 40.29 | 47.00 | a | 55.07 | 60.58 | 64.33 | ----- | z | 78.29 | 68.83 | 53.83 | b | ----- | z | ----- | z | 56.40 | c | |||||||
1895 | ----- | z | 40.32 | 40.58 | 49.97 | ----- | z | 55.03 | ----- | z | 65.43 | c | 69.33 | 61.68 | ----- | z | ----- | z | 54.62 | e | ||||||
1896 | ----- | z | ----- | z | ----- | z | 45.17 | 54.00 | 60.87 | 69.93 | a | 73.87 | 70.19 | d | 55.40 | a | ----- | z | ----- | z | 61.35 | e | ||||
1897 | ----- | z | ----- | z | 40.36 | f | 51.40 | 58.77 | a | 64.77 | 75.26 | 77.19 | j | 69.53 | 57.65 | 49.73 | d | 36.97 | b | 58.01 | d | |||||
1898 | 36.35 | 43.50 | 42.06 | 51.87 | 56.77 | 69.10 | a | 75.77 | ----- | z | ----- | z | 50.21 | b | 43.23 | 37.83 | a | 50.67 | b | |||||||
1899 | 36.55 | 38.46 | ----- | z | ----- | z | ----- | z | ----- | z | 72.11 | d | 67.94 | 68.40 | 53.45 | 49.70 | 42.04 | c | 53.58 | d | ||||||
1900 | 38.62 | e | 39.68 | 47.81 | 51.20 | 56.29 | 64.53 | 76.19 | 68.00 | 62.13 | 58.97 | 49.97 | 39.77 | 54.43 | ||||||||||||
1901 | 40.39 | 44.39 | 44.94 | 49.45 | a | 60.71 | 65.03 | 80.06 | 77.19 | 64.83 | 59.00 | 53.60 | 36.93 | a | 56.38 | |||||||||||
1902 | 40.84 | 40.96 | a | 45.13 | 55.93 | a | 59.61 | 67.80 | 71.35 | 75.74 | d | 70.37 | 61.32 | 53.10 | 45.23 | 57.28 | ||||||||||
1903 | 40.77 | 36.21 | 43.65 | 50.63 | 56.81 | 66.21 | a | 75.16 | 79.00 | 67.69 | a | 56.03 | a | 47.07 | a | 40.42 | 54.97 | |||||||||
1904 | 37.25 | c | 44.48 | 50.65 | 52.60 | 64.37 | a | 65.80 | t | 73.00 | o | 76.39 | 67.83 | 57.23 | 47.33 | f | 42.26 | 54.78 | c | |||||||
1905 | 44.45 | 48.36 | 49.06 | 53.28 | a | 53.10 | 64.53 | 72.16 | 77.42 | 70.37 | 56.81 | 48.00 | 36.39 | 56.16 | ||||||||||||
1906 | 39.55 | 47.29 | 46.61 | 49.30 | 54.87 | 65.27 | 77.65 | 74.00 | 66.23 | 53.74 | 41.03 | ----- | z | 55.96 | a | |||||||||||
1907 | ----- | z | ----- | z | ----- | z | 49.43 | w | 54.90 | 61.90 | 76.06 | 76.32 | 68.97 | 60.68 | 49.27 | 39.42 | 60.94 | d | ||||||||
1908 | 42.06 | 43.38 | 47.71 | 53.27 | 55.26 | 64.53 | 76.10 | 76.81 | 68.07 | 53.16 | 49.33 | 43.77 | 56.12 | |||||||||||||
1909 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 78.70 | u | 77.74 | 69.70 | 55.65 | 46.93 | a | 40.61 | 58.13 | g | ||||
1910 | 40.55 | 39.25 | 50.42 | 55.67 | 61.90 | 67.30 | 74.71 | 77.03 | 72.13 | 59.16 | 47.77 | 42.55 | 57.37 | |||||||||||||
1911 | 44.45 | 41.79 | 48.74 | 49.90 | 54.58 | 67.33 | 74.23 | 73.26 | 71.00 | 58.29 | 44.80 | 33.48 | 55.15 | |||||||||||||
1912 | 36.71 | 38.76 | 47.00 | a | 49.03 | 56.63 | a | 69.43 | 72.19 | 72.94 | 62.60 | 56.71 | 46.53 | 37.23 | 53.81 | |||||||||||
1913 | 34.58 | 40.39 | 42.03 | 51.57 | 54.03 | 63.73 | 72.03 | 75.19 | 68.33 | 52.84 | 51.57 | 40.87 | 53.93 | |||||||||||||
1914 | 42.61 | 41.14 | 48.47 | a | 52.70 | 57.87 | 68.80 | 75.74 | 74.68 | 71.37 | 58.87 | 51.57 | 41.35 | 57.10 | ||||||||||||
1915 | 38.13 | 41.89 | 43.23 | 49.90 | 55.16 | 63.13 | 72.71 | 73.13 | 64.37 | 57.26 | 45.93 | b | 40.45 | 53.77 | ||||||||||||
1916 | 42.52 | 47.07 | 49.68 | 52.43 | 54.61 | 61.53 | 73.94 | 71.90 | 66.20 | 53.47 | a | 41.33 | 33.74 | 54.04 | ||||||||||||
1917 | 39.45 | 40.14 | 40.10 | 47.62 | a | 54.55 | 64.43 | 76.84 | 72.06 | 69.23 | 56.81 | 44.70 | 38.03 | 53.66 | ||||||||||||
1918 | 36.19 | 41.96 | a | 50.19 | 50.30 | 54.68 | 76.91 | s | 78.87 | 74.76 | j | 68.09 | h | 57.52 | 46.83 | 39.48 | 50.67 | c | ||||||||
1919 | 37.52 | 38.14 | 42.81 | 52.10 | 58.23 | 64.97 | 75.68 | 74.61 | 69.37 | 54.45 | 46.63 | 43.26 | 54.81 | |||||||||||||
1920 | 44.61 | 46.14 | 44.71 | 46.97 | 56.48 | 64.45 | a | 74.13 | 73.77 | 64.63 | 52.06 | 44.90 | 34.87 | 53.98 | ||||||||||||
1921 | 39.06 | 43.76 | g | 48.77 | 49.17 | 54.97 | 66.03 | 76.32 | 75.03 | 67.87 | 59.13 | 46.20 | 44.90 | 57.04 | a | |||||||||||
1922 | 37.55 | 41.79 | 41.55 | 46.30 | 58.03 | 66.17 | 76.48 | 76.13 | 70.87 | 56.23 | 41.17 | 43.94 | 54.68 | |||||||||||||
1923 | 42.97 | 44.75 | 43.97 | 51.33 | 58.48 | 60.40 | 75.55 | 74.94 | 66.97 | 52.97 | 49.40 | 42.26 | 55.33 | |||||||||||||
1924 | 36.19 | 41.10 | 41.32 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 73.60 | y | 40.34 | b | 39.74 | h | |||
1925 | 37.48 | 43.86 | 47.81 | 49.73 | 61.63 | a | 69.80 | j | 87.90 | k | 85.23 | 66.07 | 55.40 | a | 43.17 | a | 37.06 | 52.74 | b | |||||||
1926 | 35.03 | 38.64 | 48.84 | f | 54.55 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 41.00 | b | 42.31 | h | ||
1927 | 41.87 | 44.14 | 42.81 | 50.17 | 57.32 | 64.97 | 75.39 | 74.42 | 68.93 | 53.53 | n | 47.83 | a | 40.27 | a | 55.28 | a | |||||||||
1928 | 37.13 | 40.86 | 46.42 | 46.70 | 61.07 | a | 64.17 | 74.19 | 72.26 | 68.00 | ----- | z | 47.69 | a | 38.77 | a | 54.30 | a | ||||||||
1929 | 36.26 | 37.29 | 41.94 | 45.25 | n | 55.14 | b | 62.27 | 75.57 | a | 74.46 | c | 68.70 | c | ----- | z | ----- | z | 39.14 | c | 54.53 | c | ||||
1930 | 38.39 | 42.73 | f | 43.17 | a | 50.50 | 52.03 | 63.20 | 72.57 | a | 68.56 | m | 58.36 | p | 49.23 | 49.25 | v | 33.13 | h | 52.73 | e | |||||
1931 | 36.04 | e | 43.83 | d | 38.84 | 49.90 | 54.32 | 60.40 | 72.74 | 68.90 | 64.77 | 50.45 | 41.94 | m | 32.09 | i | 54.02 | b | ||||||||
1932 | 25.47 | n | 36.45 | 37.92 | g | 42.30 | 48.39 | 57.41 | h | 68.25 | c | 66.61 | 61.07 | 48.37 | a | 38.43 | p | 26.62 | j | 53.06 | e | |||||
1933 | 28.97 | a | 30.50 | 34.14 | c | 39.00 | 42.27 | a | 53.47 | k | 71.17 | b | 66.48 | 60.53 | ----- | z | 36.53 | 28.35 | 43.80 | b | ||||||
1934 | 41.88 | w | 43.71 | 50.03 | 54.97 | 62.81 | 62.93 | a | 77.65 | ----- | z | ----- | z | 58.12 | n | 47.17 | 44.23 | 55.44 | d | |||||||
1935 | 44.97 | 47.89 | 44.00 | 51.37 | 53.68 | 66.57 | 72.90 | a | 73.60 | a | 71.24 | a | 54.94 | 48.20 | y | 43.50 | a | 56.79 | a | |||||||
1936 | 40.00 | ----- | z | 49.62 | g | 53.26 | g | 59.17 | a | 69.52 | a | 75.48 | 77.61 | 70.03 | a | ----- | z | ----- | z | 40.68 | c | 61.78 | e | |||
1937 | 31.58 | 43.32 | 49.30 | a | 48.50 | 53.58 | 59.77 | h | 74.13 | h | ----- | z | ----- | z | 58.43 | a | 43.12 | n | 45.29 | c | 47.14 | e | ||||
1938 | 41.35 | 45.00 | 45.48 | 51.13 | 56.42 | 64.90 | 74.39 | 75.32 | 70.50 | 54.95 | l | 39.39 | b | 42.29 | 55.11 | a | ||||||||||
1939 | 39.58 | 34.85 | b | 44.08 | e | 52.60 | 57.68 | 64.10 | 77.16 | 75.81 | e | 69.60 | 54.90 | 55.60 | o | 44.50 | a | 55.90 | a | |||||||
1940 | 42.06 | 41.07 | 46.81 | 52.87 | 61.87 | 70.73 | 74.13 | 75.32 | 69.80 | 57.94 | 42.06 | m | 44.65 | 57.93 | a | |||||||||||
1941 | 42.35 | 44.11 | a | 43.39 | 46.13 | 56.42 | 59.93 | 70.39 | 68.97 | 61.33 | 52.19 | 44.50 | n | 40.87 | 53.28 | a | ||||||||||
1942 | 40.35 | 36.82 | 41.84 | 48.31 | n | ----- | z | ----- | z | 73.55 | 69.97 | 64.07 | 53.45 | 45.10 | j | 38.13 | 52.27 | d | ||||||||
1943 | 37.68 | 41.43 | 43.42 | 48.57 | 54.42 | 58.28 | l | 73.10 | 71.00 | 64.30 | 54.32 | 45.42 | d | 41.10 | 52.25 | a | ||||||||||
1944 | 36.19 | 39.31 | 41.19 | 45.00 | b | 56.00 | 58.20 | 68.00 | 70.71 | 64.00 | 56.65 | 43.17 | 39.94 | 51.53 | ||||||||||||
1945 | 39.16 | 41.00 | 43.00 | 46.70 | 54.00 | 58.77 | 71.97 | 72.74 | 64.07 | 56.23 | 39.63 | 35.67 | m | 53.39 | a | |||||||||||
1946 | 36.55 | 35.25 | 42.68 | 54.67 | 56.55 | 62.87 | 75.37 | a | 76.81 | 71.37 | 53.97 | 44.40 | 43.03 | 54.46 | ||||||||||||
1947 | 36.16 | 42.57 | 45.90 | 49.70 | 59.61 | 64.41 | a | 76.63 | a | 73.48 | 70.43 | 55.97 | 42.67 | 38.23 | 54.65 | |||||||||||
1948 | 36.62 | e | 40.17 | 43.00 | d | 50.47 | 55.11 | d | 62.18 | s | 74.41 | d | 75.77 | 67.20 | 54.03 | 38.20 | 36.90 | 51.99 | a | |||||||
1949 | 34.77 | a | 36.96 | 41.10 | 50.03 | a | 55.57 | a | 63.81 | i | 71.91 | t | 69.06 | 69.60 | 52.90 | 48.20 | 38.57 | a | 49.68 | b | ||||||
1950 | 36.93 | a | 41.75 | 44.06 | 53.13 | 55.06 | 62.93 | a | 71.42 | 70.13 | ----- | z | 59.97 | 49.27 | 42.42 | 53.37 | a | |||||||||
1951 | 36.94 | 42.32 | 44.71 | 52.63 | 60.03 | 61.10 | a | 76.48 | b | 75.64 | f | 64.08 | r | 57.35 | 47.52 | a | 40.39 | 51.95 | b | |||||||
1952 | 37.84 | 38.03 | 41.20 | f | 52.87 | 59.97 | 64.64 | b | 72.80 | a | 75.32 | 69.73 | 58.41 | b | 48.89 | u | 39.71 | 56.93 | b | |||||||
1953 | 39.25 | c | 36.79 | 45.40 | a | 48.43 | 50.13 | a | 62.25 | n | 77.44 | f | 75.52 | f | 65.32 | e | 53.00 | b | 46.60 | e | 34.42 | 46.59 | c | |||
1954 | 39.37 | d | 46.22 | a | 45.47 | a | 52.80 | e | 56.57 | c | 63.13 | 77.35 | 72.82 | c | 70.42 | d | 60.48 | f | 46.09 | s | 44.56 | f | 58.24 | c | ||
1955 | 37.88 | e | 35.68 | 43.39 | 45.16 | e | 55.62 | e | 63.46 | f | 68.81 | e | 74.54 | e | 70.67 | l | 62.72 | f | 43.52 | i | 41.67 | g | 51.58 | e | ||
1956 | 43.23 | 37.09 | f | 41.50 | g | 49.00 | f | 57.83 | g | 67.29 | f | 75.25 | g | 69.89 | m | 68.45 | j | 56.39 | h | 44.41 | h | 40.23 | e | 41.73 | j | |
1957 | 45.41 | i | 49.38 | d | 47.65 | e | 50.96 | e | 56.50 | w | 67.71 | f | 76.96 | h | 75.41 | i | 65.58 | f | 59.08 | g | 39.83 | l | 40.37 | a | 47.09 | h |
1958 | 35.06 | m | 40.61 | j | 43.45 | i | 47.67 | f | 61.64 | i | 69.12 | n | 76.12 | e | 75.88 | g | 70.95 | i | 62.04 | e | 48.05 | i | 40.96 | g | 69.08 | j |
1959 | 37.57 | h | 38.81 | l | 43.35 | h | 53.77 | h | 55.00 | g | 68.32 | e | 77.55 | k | 73.46 | e | 66.65 | d | 56.36 | f | 45.67 | r | 42.00 | e | 62.61 | h |
1960 | 36.48 | h | 32.70 | i | 46.88 | e | 48.20 | e | 55.59 | i | 65.83 | g | 72.85 | k | 74.41 | d | 68.72 | e | 59.47 | p | 46.30 | j | 38.56 | f | 59.55 | h |
1961 | 43.12 | f | 39.54 | d | 45.33 | d | 50.43 | i | ----- | z | ----- | z | 75.73 | e | 71.86 | j | 66.21 | f | 55.15 | e | 44.44 | l | 40.33 | m | 53.94 | h |
1962 | 37.73 | e | 42.96 | e | 40.68 | f | 52.89 | l | ----- | z | ----- | z | ----- | z | 76.73 | i | 69.76 | m | 52.46 | e | 40.00 | g | 34.32 | f | 44.38 | i |
1963 | 29.58 | 40.79 | 36.90 | 40.23 | 51.59 | d | 60.43 | g | 75.32 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 45.74 | f | ||||
1964 | 27.26 | 30.48 | 35.03 | ----- | z | 49.42 | 59.23 | 71.09 | h | 68.61 | h | 63.48 | g | 60.08 | f | 43.76 | i | 35.19 | d | 39.44 | f | |||||
1965 | 37.92 | e | 38.75 | 41.38 | g | 48.38 | f | 53.10 | j | 57.12 | d | 70.69 | b | 71.67 | j | 62.23 | d | 56.32 | 46.35 | d | 34.77 | e | 50.52 | d | ||
1966 | 33.77 | 31.25 | 40.16 | 46.07 | 54.13 | 66.83 | 74.87 | 72.23 | 63.73 | 52.06 | 43.38 | d | 35.65 | 51.18 | ||||||||||||
1967 | 33.39 | 35.46 | ----- | z | ----- | z | 50.42 | 60.20 | 70.97 | 76.08 | s | 67.00 | 54.42 | g | 46.89 | b | 34.65 | 49.87 | d | |||||||
1968 | 39.48 | 38.12 | e | 42.45 | ----- | z | 57.00 | 62.03 | 66.74 | d | 67.58 | 65.20 | ----- | z | 44.57 | i | 34.77 | 52.60 | c | |||||||
1969 | 38.03 | 38.93 | 37.75 | c | 48.00 | 56.00 | 62.10 | 74.61 | 77.77 | 73.17 | 51.96 | d | 46.31 | d | 37.74 | 53.53 | ||||||||||
1970 | 34.81 | 38.25 | 41.87 | a | 43.39 | b | 58.03 | 66.27 | 77.07 | a | 76.84 | 66.87 | 52.10 | a | 45.26 | c | 40.32 | 53.42 | ||||||||
1971 | 35.84 | 37.74 | a | 43.13 | a | 49.59 | a | 54.33 | a | 63.83 | 77.59 | b | 75.00 | 67.80 | 54.94 | 44.00 | 37.53 | a | 53.44 | |||||||
1972 | 35.29 | 39.69 | 49.87 | 50.61 | b | 58.13 | 69.67 | 76.94 | 74.47 | a | 68.50 | 58.97 | 42.61 | b | 37.67 | a | 55.20 | |||||||||
1973 | 37.17 | a | 43.39 | 42.07 | a | 46.48 | a | 58.87 | 65.27 | 72.83 | a | 73.19 | 62.27 | 54.00 | a | 42.47 | 37.97 | 53.00 | ||||||||
1974 | 38.52 | 35.44 | a | 45.10 | 47.73 | 56.10 | 67.50 | 72.94 | 70.03 | 67.63 | 59.39 | 45.30 | 33.84 | 53.29 | ||||||||||||
1975 | 36.23 | 38.32 | 42.03 | 45.23 | 54.26 | 62.83 | 75.00 | 70.81 | 68.07 | 54.29 | 43.37 | 39.87 | 52.53 | |||||||||||||
1976 | 38.77 | a | 45.76 | 44.16 | f | 49.47 | k | 59.19 | j | 63.00 | h | 74.25 | k | 70.50 | e | 66.31 | a | 56.97 | 47.30 | 39.97 | 52.22 | e | ||||
1977 | 39.97 | 39.50 | b | 40.45 | 51.83 | 54.63 | a | 67.33 | 76.29 | 74.87 | 69.13 | 61.17 | a | 45.70 | 41.21 | b | 55.17 | |||||||||
1978 | 40.03 | b | 41.86 | 49.59 | i | 48.78 | g | 55.17 | a | ----- | z | 78.50 | y | 71.67 | d | 67.89 | b | ----- | z | 46.00 | d | 38.79 | q | 53.77 | f | |
1979 | ----- | z | ----- | z | ----- | z | ----- | z | 54.92 | g | 63.42 | f | 66.21 | b | 65.48 | b | 66.17 | ----- | z | ----- | z | ----- | z | 65.95 | i | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 38.16 | 40.69 | 44.24 | 49.75 | 56.10 | 64.17 | 74.22 | 73.50 | 67.53 | 55.79 | 45.93 | 39.50 | 54.48 | |||||||||||||
S.D. | 3.41 | 3.93 | 3.62 | 3.48 | 3.53 | 3.24 | 2.96 | 3.59 | 2.94 | 3.16 | 3.55 | 3.35 | 1.52 | |||||||||||||
SKEW | -0.55 | -0.27 | -0.33 | -0.76 | -0.67 | -0.34 | -0.46 | -0.08 | -0.55 | -0.00 | -0.30 | -0.55 | 0.03 | |||||||||||||
MAX | 44.97 | 49.38 | 50.65 | 55.93 | 64.37 | 70.73 | 81.87 | 85.23 | 73.17 | 62.04 | 53.60 | 45.29 | 57.37 | |||||||||||||
MIN | 27.26 | 30.48 | 34.14 | 39.00 | 42.27 | 55.03 | 66.21 | 65.43 | 60.53 | 48.37 | 36.53 | 28.35 | 51.18 | |||||||||||||
YRS | 74 | 75 | 68 | 67 | 70 | 60 | 69 | 67 | 70 | 66 | 56 | 69 | 30 |