YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1892 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 33.80 | p | ----- | z |
1893 | 35.48 | 35.32 | f | 40.63 | 49.88 | 57.50 | 67.62 | a | 69.39 | 65.37 | 59.72 | 48.63 | 39.95 | 36.67 | b | 51.89 | a | |||||||||
1894 | 33.10 | 28.34 | 41.56 | 50.47 | 59.47 | 63.57 | 67.19 | 65.50 | 58.33 | 52.68 | 44.02 | 35.13 | 49.95 | |||||||||||||
1895 | 32.76 | 28.61 | 42.66 | b | 52.88 | 56.98 | d | 64.50 | a | 65.79 | 65.31 | 62.07 | 49.02 | 37.64 | b | 31.32 | 49.13 | |||||||||
1896 | 36.81 | 35.24 | 41.95 | a | 50.18 | 59.60 | 68.23 | 68.44 | 68.29 | 61.38 | b | 48.83 | b | 41.72 | 38.13 | 51.57 | ||||||||||
1897 | 29.66 | 35.80 | 40.29 | 49.05 | 57.45 | c | 64.27 | 67.29 | 65.71 | 62.27 | 50.14 | b | 43.57 | 31.28 | b | 49.73 | ||||||||||
1898 | 31.39 | 38.88 | 40.84 | 50.40 | 57.03 | 65.23 | 68.29 | 66.37 | 58.87 | 49.87 | 36.95 | 28.03 | b | 49.35 | ||||||||||||
1899 | 33.10 | 32.48 | b | 43.31 | b | 52.00 | 57.79 | 66.62 | 70.63 | 70.39 | 60.65 | 49.32 | 40.53 | 34.48 | 50.94 | |||||||||||
1900 | 35.27 | 35.13 | b | 43.18 | 46.65 | 58.66 | 66.00 | 69.06 | 67.76 | 60.57 | 50.97 | 42.65 | 34.89 | 50.90 | ||||||||||||
1901 | 35.41 | c | 35.00 | c | 40.10 | f | 47.57 | c | 57.81 | 67.02 | 70.98 | c | 69.92 | a | 60.88 | e | 52.03 | a | 42.96 | d | 34.46 | f | 53.96 | b | ||
1902 | 33.20 | f | 37.96 | b | 38.07 | a | 53.07 | a | 58.14 | j | 69.86 | e | 68.58 | 69.58 | 61.03 | 51.68 | 40.23 | 32.71 | 52.28 | b | ||||||
1903 | 33.45 | 25.37 | a | 39.69 | 48.57 | 55.32 | 59.87 | 70.52 | 68.95 | b | 60.17 | 50.16 | 43.77 | 32.32 | 49.01 | |||||||||||
1904 | 29.55 | 42.21 | 46.19 | 48.97 | 57.55 | 63.63 | 68.77 | 68.29 | 61.97 | 49.52 | 40.73 | 30.07 | a | 50.62 | ||||||||||||
1905 | 30.68 | 32.89 | a | 44.45 | 46.43 | 57.55 | 67.12 | 67.94 | 69.19 | 61.73 | 49.94 | 41.07 | 28.29 | 49.77 | ||||||||||||
1906 | 33.03 | 36.14 | 40.68 | 49.30 | 58.00 | 66.83 | 65.16 | 66.87 | 61.33 | 49.32 | 38.08 | 38.21 | 50.25 | |||||||||||||
1907 | 36.88 | a | 41.45 | 47.53 | 48.71 | a | 51.81 | 62.55 | 69.42 | 68.10 | 62.22 | 51.27 | 37.05 | 34.00 | 50.92 | |||||||||||
1908 | 33.21 | 33.86 | 46.02 | 48.97 | 54.65 | 65.45 | b | 67.76 | 67.21 | 60.98 | a | 49.91 | b | 37.48 | 35.10 | 50.05 | ||||||||||
1909 | 41.12 | b | 36.48 | a | 40.97 | 50.10 | 55.85 | 68.12 | 72.53 | a | 68.77 | a | 60.97 | 51.56 | 44.77 | 27.12 | a | 51.53 | ||||||||
1910 | 34.91 | d | 33.64 | 47.13 | 49.35 | 57.28 | a | 67.66 | a | 71.97 | a | 69.19 | 63.25 | 49.05 | a | 41.19 | a | ----- | z | 53.15 | a | |||||
1911 | 39.98 | c | 32.02 | 44.03 | 49.53 | 57.32 | 64.57 | 67.31 | 67.66 | 63.23 | 47.93 | a | 36.36 | a | 24.02 | 49.50 | ||||||||||
1912 | 34.05 | 31.05 | 38.39 | 43.93 | 54.79 | 59.83 | 66.85 | 65.40 | b | 56.31 | a | 48.58 | 38.78 | 28.22 | a | 47.18 | ||||||||||
1913 | 28.63 | 34.11 | 38.69 | 47.53 | 57.94 | 62.66 | a | 68.53 | 67.66 | 56.85 | 47.92 | 43.20 | 23.32 | a | 48.09 | |||||||||||
1914 | 39.06 | 35.11 | a | 41.05 | 48.83 | a | 56.27 | a | 66.02 | 66.38 | a | 66.69 | 62.68 | 50.53 | 41.92 | 28.73 | 50.27 | |||||||||
1915 | 27.95 | a | 34.12 | 34.37 | 48.12 | 53.12 | a | 64.20 | 68.02 | 64.47 | 59.97 | 50.47 | a | 41.27 | 33.97 | 48.34 | ||||||||||
1916 | 34.61 | c | 39.28 | 45.95 | b | 45.70 | 55.61 | 64.92 | 68.94 | 66.74 | 60.10 | 49.52 | 35.58 | 29.18 | a | 49.68 | ||||||||||
1917 | 31.40 | 34.62 | 37.03 | 45.62 | 49.58 | 64.83 | g | 70.42 | 65.98 | d | 61.87 | 51.66 | 43.30 | 39.45 | 48.27 | a | ||||||||||
1918 | 24.50 | 37.98 | a | 43.00 | 45.12 | 55.32 | 68.09 | a | 69.53 | 68.44 | 61.25 | 52.27 | 36.92 | 28.26 | 49.22 | |||||||||||
1919 | 23.84 | 32.09 | 36.66 | 47.57 | 55.34 | 60.38 | 67.39 | 67.79 | 61.93 | a | 49.95 | 38.78 | 38.38 | a | 48.34 | |||||||||||
1920 | 34.50 | 38.10 | 39.60 | 43.93 | a | 55.65 | 63.20 | 67.97 | 64.56 | 60.53 | 49.47 | 39.98 | 32.44 | 49.16 | ||||||||||||
1921 | 35.94 | 36.43 | 44.75 | a | 45.07 | b | 56.47 | 62.23 | 66.97 | 66.69 | 63.73 | 54.48 | 44.10 | 41.03 | 51.49 | |||||||||||
1922 | 29.68 | 35.24 | a | 38.73 | 48.21 | a | 57.23 | 65.75 | 70.23 | 69.39 | 62.90 | a | 50.82 | 36.52 | 38.11 | 50.23 | ||||||||||
1923 | 38.08 | 33.19 | a | 36.52 | 47.37 | 55.85 | 65.43 | 68.79 | 65.84 | 58.63 | 45.98 | 38.48 | 29.72 | b | 48.66 | |||||||||||
1924 | 29.08 | 34.66 | 34.67 | a | 46.75 | 56.13 | 68.33 | 68.54 | g | ----- | z | 59.60 | j | 52.81 | 43.14 | i | 29.00 | 43.93 | d | |||||||
1925 | 28.06 | 38.71 | 44.97 | 50.28 | a | 59.06 | 65.93 | h | 70.89 | h | 65.40 | g | 60.67 | 49.97 | a | 39.68 | 31.67 | d | 44.79 | c | ||||||
1926 | 24.41 | c | 39.56 | a | 37.53 | 46.78 | 54.68 | f | 64.70 | 67.07 | d | 67.91 | h | 64.57 | a | 53.68 | 42.13 | d | 34.00 | g | 48.94 | c | ||||
1927 | 38.10 | 39.21 | 41.79 | g | 52.13 | d | 60.02 | 64.20 | 69.34 | b | 65.70 | i | 63.75 | l | ----- | z | 46.31 | a | 29.63 | 49.87 | d | |||||
1928 | 35.73 | 33.29 | 42.89 | 46.80 | ----- | z | 64.42 | 68.16 | 63.79 | 61.25 | f | 53.63 | a | 37.70 | b | 31.21 | 47.76 | b | ||||||||
1929 | 32.02 | 26.88 | 40.76 | 46.81 | a | 54.90 | b | 64.42 | 67.89 | 66.45 | l | 60.78 | g | 48.68 | 35.16 | a | 34.98 | 45.25 | b | |||||||
1930 | 27.00 | 40.48 | 36.72 | a | 52.03 | 53.58 | a | 65.15 | 66.95 | 65.97 | 60.42 | 49.77 | 38.25 | 28.90 | 48.77 | |||||||||||
1931 | 30.94 | 36.32 | 36.47 | 47.60 | 54.50 | 66.32 | 68.26 | 65.71 | 63.55 | 51.95 | 39.00 | 33.42 | 49.50 | |||||||||||||
1932 | 27.59 | b | 39.02 | 37.74 | 49.60 | 54.92 | a | 62.80 | 69.06 | 67.47 | 59.37 | 49.48 | b | 41.78 | 27.35 | 48.85 | ||||||||||
1933 | 34.55 | 30.70 | 43.06 | 45.50 | 55.90 | 65.15 | 69.94 | 66.60 | 64.93 | 54.02 | 42.57 | 41.08 | a | 51.17 | ||||||||||||
1934 | 32.11 | 40.45 | 45.23 | 50.93 | 60.20 | a | 68.50 | k | 73.26 | 71.48 | 61.58 | 55.11 | 43.04 | b | 34.66 | 51.64 | a | |||||||||
1935 | 36.77 | 35.21 | 43.19 | 48.65 | 51.74 | 65.02 | 68.24 | 67.08 | 59.13 | 51.03 | 40.42 | 33.40 | 49.99 | |||||||||||||
1936 | 31.56 | 37.54 | b | 43.11 | 49.57 | 58.07 | c | 69.72 | 70.76 | 71.48 | 62.02 | 50.10 | 40.02 | 34.00 | 51.50 | |||||||||||
1937 | 25.71 | 35.18 | 36.89 | 48.92 | 58.11 | 64.37 | 68.71 | 70.94 | 64.09 | c | 50.19 | 37.81 | a | 31.00 | b | 49.33 | ||||||||||
1938 | 27.31 | b | 36.63 | e | 42.47 | 43.48 | 50.02 | ----- | z | 67.37 | 68.34 | 62.33 | l | 52.76 | 39.96 | b | 38.37 | 46.67 | b | |||||||
1939 | 34.61 | 32.73 | 43.31 | 49.08 | 56.35 | 74.92 | d | 72.31 | 73.95 | 65.82 | 57.02 | 41.25 | 36.31 | 53.14 | ||||||||||||
1940 | 30.58 | 33.71 | 42.45 | 51.10 | 58.31 | 64.90 | 70.60 | 67.79 | 67.24 | i | 57.65 | 40.81 | a | 30.11 | i | 51.79 | b | |||||||||
1941 | 32.27 | 37.92 | b | 37.63 | 44.73 | 57.17 | a | 61.15 | d | 65.32 | 64.27 | 60.18 | 50.08 | 41.37 | 37.02 | 49.09 | ||||||||||
1942 | 33.92 | a | 30.11 | 38.00 | 49.87 | 56.37 | 65.17 | 66.95 | i | 66.76 | 59.00 | a | 50.47 | 45.36 | b | 37.87 | a | 48.44 | a | |||||||
1943 | 35.10 | b | 40.95 | 42.98 | d | 52.63 | 58.47 | 65.62 | 69.57 | a | 70.39 | 61.45 | 50.38 | a | 39.68 | 27.71 | b | 51.24 | ||||||||
1944 | 34.37 | d | ----- | z | ----- | z | ----- | z | ----- | z | 64.52 | 68.03 | a | 68.81 | 60.60 | 52.09 | b | 40.63 | 34.73 | 52.97 | d | |||||
1945 | ----- | z | 40.02 | 41.40 | b | 46.10 | a | 57.38 | a | 63.22 | a | 67.90 | 68.55 | 61.03 | a | 52.93 | a | 44.85 | c | 33.55 | b | 52.45 | a | |||
1946 | 33.57 | b | 35.55 | 41.02 | b | 53.25 | 54.73 | 66.27 | 68.71 | 68.87 | a | 63.67 | 49.62 | a | 39.19 | a | 37.48 | a | 50.99 | |||||||
1947 | 32.52 | 36.36 | 40.60 | a | 50.33 | 57.80 | i | 64.82 | 69.90 | 70.23 | p | 63.28 | e | 54.66 | 36.78 | a | 32.65 | 48.19 | b | |||||||
1948 | 30.22 | b | 30.98 | a | 32.65 | d | 52.30 | 57.71 | j | 65.52 | 68.59 | b | 70.81 | 62.60 | 54.80 | c | 36.40 | 36.41 | b | 49.21 | a | |||||
1949 | 24.61 | d | 35.27 | 43.34 | 47.88 | 55.38 | k | 64.89 | g | 69.15 | e | 67.28 | d | 63.67 | d | 51.55 | l | 46.03 | k | 34.56 | d | 48.22 | d | |||
1950 | 38.65 | d | 39.78 | a | 41.22 | d | 52.43 | 57.34 | i | 67.00 | 68.40 | 66.45 | a | 60.37 | 60.56 | 45.24 | a | 42.56 | 52.97 | a | ||||||
1951 | 33.76 | 37.20 | 42.40 | 48.93 | 58.71 | 65.53 | 72.90 | 69.94 | 63.58 | 53.97 | 40.13 | 36.52 | 51.96 | |||||||||||||
1952 | 39.00 | 37.98 | 38.05 | a | 49.14 | a | 57.45 | a | 70.83 | 68.63 | 70.42 | 61.81 | a | ----- | z | 33.02 | h | 31.98 | 52.53 | b | ||||||
1953 | 39.91 | d | 32.84 | 44.15 | d | 49.45 | h | 56.06 | e | 69.10 | e | 69.92 | f | 67.77 | c | 61.98 | j | 57.57 | x | 42.91 | a | 29.78 | o | 50.39 | e | |
1954 | 34.98 | 42.20 | 38.76 | 51.95 | 57.88 | a | 66.23 | 70.60 | 66.71 | 62.20 | 52.69 | b | 41.81 | a | 33.13 | 51.60 | ||||||||||
1955 | 29.77 | 30.43 | 40.85 | 46.08 | 54.27 | 61.73 | 67.44 | 66.44 | 61.25 | 52.00 | 42.10 | 37.17 | a | 49.13 | ||||||||||||
1956 | 36.72 | a | 31.83 | 41.68 | 45.88 | 59.26 | 68.10 | 68.28 | a | 66.03 | 62.43 | a | 51.55 | 35.43 | 33.11 | 50.03 | ||||||||||
1957 | 35.40 | 41.48 | 40.47 | 44.58 | 53.05 | 65.58 | 69.98 | 65.32 | 57.88 | 48.68 | 29.52 | a | 35.84 | 48.98 | ||||||||||||
1958 | 28.87 | a | 37.48 | 33.17 | a | 43.37 | 57.82 | 65.28 | 68.92 | 67.08 | 60.07 | 49.50 | 41.25 | 36.13 | 49.08 | |||||||||||
1959 | 30.23 | 33.14 | 37.82 | 46.95 | 56.00 | 64.57 | 66.87 | 67.23 | 59.30 | 49.60 | 37.63 | 31.68 | 48.42 | |||||||||||||
1960 | 27.24 | 29.93 | 41.65 | 49.05 | a | 55.03 | 65.60 | 66.05 | 66.19 | 61.35 | 49.34 | 41.48 | 26.10 | 48.25 | ||||||||||||
1961 | 29.35 | a | 35.93 | 39.87 | 45.70 | 57.19 | 63.93 | 65.87 | 64.68 | 58.20 | 49.31 | 37.17 | 29.19 | 48.03 | ||||||||||||
1962 | 29.55 | 37.35 | b | 34.00 | 49.00 | a | 57.77 | 61.73 | 65.73 | 65.76 | 59.45 | 51.34 | 39.47 | 34.34 | 48.79 | |||||||||||
1963 | 26.02 | 33.77 | 40.05 | 51.20 | 58.27 | 63.27 | 70.10 | 65.90 | 61.13 | 51.15 | 37.76 | a | ----- | z | 50.78 | a | ||||||||||
1964 | 25.93 | b | 27.17 | b | 36.10 | a | 45.31 | a | 56.44 | 63.32 | 69.05 | 66.40 | 60.07 | b | 51.08 | 39.28 | 33.45 | a | 47.80 | |||||||
1965 | 31.74 | 31.96 | b | 34.02 | c | 48.03 | 54.29 | 61.70 | 67.40 | a | 64.98 | 59.48 | a | 50.90 | 43.92 | 33.50 | 48.49 | |||||||||
1966 | 28.02 | a | 30.43 | a | 42.08 | 49.07 | a | 58.50 | f | 64.17 | o | 71.30 | i | 65.11 | 61.16 | b | 48.60 | a | 40.13 | 31.10 | 43.97 | c | ||||
1967 | 30.11 | 35.00 | 45.78 | a | 48.93 | 51.52 | j | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 39.96 | h | |||
1968 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1969 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 70.52 | a | 69.52 | 61.17 | 49.32 | 39.05 | a | 35.85 | a | 54.24 | f | |||
1970 | 30.78 | a | 38.18 | 37.03 | a | 43.42 | 56.68 | 61.70 | 69.03 | 68.31 | 59.36 | b | 45.41 | b | 40.32 | 35.52 | 48.81 | |||||||||
1971 | 32.05 | 32.23 | 40.45 | 45.77 | 53.23 | a | 64.57 | 67.79 | 63.84 | 58.52 | 49.63 | 42.46 | b | 29.45 | 48.33 | |||||||||||
1972 | 35.13 | a | 39.20 | a | 47.48 | a | 50.74 | a | 55.08 | 64.82 | 65.74 | 64.76 | 60.65 | 52.02 | 33.75 | 35.31 | 50.39 | |||||||||
1973 | 31.35 | 32.34 | 37.69 | 40.47 | a | 53.68 | 62.37 | 66.73 | 66.84 | 59.33 | 52.53 | 44.42 | 35.10 | 48.57 | ||||||||||||
1974 | 31.65 | 33.91 | 46.87 | 47.00 | 60.63 | 65.93 | 67.82 | 63.23 | 56.43 | 51.68 | 39.58 | 29.35 | 49.51 | |||||||||||||
1975 | 32.24 | 32.94 | a | 38.45 | 44.58 | 53.27 | 63.27 | 66.31 | 68.21 | 58.48 | 53.45 | 41.42 | 36.66 | 49.11 | ||||||||||||
1976 | 32.98 | 40.93 | 40.66 | 49.03 | 54.32 | 64.90 | 67.82 | a | 65.39 | 59.80 | 47.23 | 37.20 | 34.03 | 49.52 | ||||||||||||
1977 | 28.85 | 35.80 | 38.77 | 48.13 | 57.23 | 66.65 | 69.19 | 69.02 | 63.67 | a | 53.35 | 43.82 | 39.62 | a | 51.18 | |||||||||||
1978 | 33.05 | 34.30 | 43.27 | a | 52.23 | 54.98 | 66.47 | a | 69.92 | 66.89 | 62.25 | 53.15 | 41.58 | e | 32.66 | b | 50.89 | |||||||||
1979 | 27.07 | c | 34.43 | 41.95 | 49.28 | 55.40 | 64.15 | 69.64 | b | 65.45 | a | 62.22 | 57.03 | a | 37.00 | 36.95 | 50.05 | |||||||||
1980 | 36.77 | a | 38.61 | a | 40.15 | a | 45.62 | 53.91 | b | 68.48 | c | 74.30 | c | 69.13 | 62.98 | 50.77 | a | 40.66 | a | 41.34 | 51.89 | |||||
1981 | 37.21 | 39.30 | 38.85 | 51.22 | g | 56.65 | d | 69.02 | b | 69.69 | d | 64.23 | 61.38 | a | 51.27 | 46.77 | 38.71 | b | 52.10 | a | ||||||
1982 | 35.55 | c | 31.56 | k | 44.95 | k | 48.93 | i | 53.89 | h | 63.32 | b | 69.74 | 69.35 | a | 62.47 | 50.26 | l | 39.96 | c | 35.62 | e | 53.72 | e | ||
1983 | 37.50 | d | 34.27 | b | 40.07 | c | 42.45 | b | 54.28 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 41.71 | g |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 32.39 | 35.26 | 40.67 | 48.19 | 56.22 | 65.20 | 68.71 | 67.33 | 61.09 | 51.13 | 40.27 | 33.55 | 49.77 | |||||||||||||
S.D. | 3.99 | 3.67 | 3.42 | 2.71 | 2.20 | 2.52 | 1.82 | 2.07 | 1.90 | 2.50 | 3.01 | 4.05 | 1.24 | |||||||||||||
SKEW | -0.09 | -0.27 | -0.13 | -0.28 | -0.59 | 0.65 | 0.55 | 0.46 | -0.16 | 0.97 | -0.42 | -0.17 | 0.38 | |||||||||||||
MAX | 41.12 | 42.21 | 47.53 | 53.25 | 60.63 | 74.92 | 74.30 | 73.95 | 65.82 | 60.56 | 46.77 | 42.56 | 53.14 | |||||||||||||
MIN | 23.84 | 25.37 | 32.65 | 40.47 | 49.58 | 59.83 | 65.16 | 63.23 | 56.31 | 45.41 | 29.52 | 23.32 | 47.18 | |||||||||||||
YRS | 87 | 86 | 85 | 85 | 78 | 81 | 83 | 82 | 81 | 83 | 85 | 82 | 60 |