YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1895 | ----- | z | ----- | z | ----- | z | ----- | z | 62.91 | t | 69.52 | 74.56 | 74.24 | 69.82 | 55.23 | 40.70 | 32.70 | c | 59.54 | e | ||||||
1896 | 35.21 | 36.48 | 44.12 | a | 51.53 | 61.48 | 71.63 | 71.27 | 70.82 | 63.92 | 50.50 | 40.05 | 32.61 | h | 54.27 | a | ||||||||||
1897 | 33.11 | 39.32 | 45.60 | 56.23 | 66.32 | 72.32 | 75.82 | 75.81 | 68.70 | 55.29 | 44.88 | 36.89 | q | 57.58 | a | |||||||||||
1898 | 30.90 | 43.82 | 45.94 | 58.70 | 63.29 | 72.37 | 78.37 | 76.90 | 67.62 | 56.08 | 43.55 | b | 29.97 | b | 55.63 | |||||||||||
1899 | 32.19 | 37.52 | 48.26 | b | 57.27 | 62.11 | 71.83 | 76.92 | 74.94 | 69.57 | 56.23 | 45.72 | 37.00 | 55.80 | ||||||||||||
1900 | 39.92 | 41.06 | b | 50.55 | 52.93 | 66.35 | 74.48 | 77.72 | m | 73.44 | 67.50 | b | 56.52 | 46.43 | a | 33.59 | n | 56.92 | b | |||||||
1901 | 36.08 | a | 41.62 | b | 44.60 | j | 53.71 | d | 64.89 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 49.07 | h | |
1902 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1903 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1904 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1905 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1906 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1907 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1908 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1909 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1910 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1911 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1912 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1913 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1914 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1915 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1916 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1917 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1918 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1919 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1920 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1921 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1922 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1923 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1924 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1925 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1926 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1927 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1928 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1929 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1930 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1931 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1932 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1933 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1934 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1935 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1936 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1937 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1938 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 65.45 | a | 53.82 | 31.97 | 33.56 | 46.20 | h | |||
1939 | 31.63 | 27.63 | a | 42.22 | a | 53.58 | 61.35 | 67.62 | 71.20 | d | 69.46 | c | 62.87 | g | 49.50 | h | ----- | z | 35.90 | k | 53.09 | d | ||||
1940 | 32.63 | a | 36.36 | 45.97 | 51.82 | b | 62.24 | 69.27 | 73.68 | a | 69.27 | 63.37 | 53.38 | g | ----- | z | 37.93 | c | 54.25 | b | ||||||
1941 | 35.15 | 41.38 | 44.20 | a | 49.35 | 61.23 | 66.17 | a | 73.03 | b | 72.15 | 65.25 | 54.60 | b | 42.97 | k | 35.98 | k | 56.25 | b | ||||||
1942 | 35.09 | i | 31.21 | g | 42.10 | a | 55.09 | h | 60.45 | i | 70.44 | f | 76.73 | c | 72.70 | f | 64.00 | h | 54.42 | f | 45.18 | k | 39.31 | 52.71 | i | |
1943 | 36.62 | b | 41.70 | 45.74 | b | 57.35 | 63.00 | 70.17 | f | 76.89 | c | 76.84 | c | 66.04 | f | 53.54 | g | 42.02 | b | 31.09 | b | 52.36 | c | |||
1944 | 27.74 | h | 38.91 | 43.18 | 51.28 | 60.52 | 67.87 | 74.76 | 73.27 | 65.35 | 56.76 | 42.70 | 34.79 | 55.40 | a | |||||||||||
1945 | 35.57 | a | 41.18 | 43.16 | 51.36 | b | 61.73 | a | 66.52 | 75.98 | 76.42 | 66.36 | a | 56.48 | 42.60 | 30.74 | 54.01 | |||||||||
1946 | 31.58 | 36.89 | a | 46.10 | a | 59.32 | 60.19 | 72.27 | 76.13 | 73.66 | 68.35 | 53.84 | 41.05 | a | 38.18 | 54.80 | ||||||||||
1947 | 31.52 | 39.71 | 45.45 | 52.90 | 64.56 | 68.52 | 76.18 | 73.81 | 67.88 | 57.52 | 38.45 | 33.24 | 54.14 | |||||||||||||
1948 | 32.18 | 37.48 | a | 39.84 | 56.45 | a | 62.58 | 69.25 | 75.56 | 74.42 | a | 67.12 | a | 54.76 | 38.43 | b | 35.34 | 53.62 | ||||||||
1949 | 30.93 | b | 35.70 | 46.73 | 54.38 | 61.35 | 69.10 | 76.45 | 72.76 | 68.80 | 54.16 | 46.47 | 32.42 | 54.10 | ||||||||||||
1950 | 35.58 | 42.68 | 46.26 | 56.20 | 61.07 | b | 71.02 | 74.46 | d | 72.20 | c | 63.88 | a | 60.25 | a | 45.06 | d | 38.48 | a | 55.59 | ||||||
1951 | 34.56 | d | 35.91 | f | 45.20 | c | 52.67 | d | 62.52 | c | 67.90 | d | 78.28 | d | 73.66 | c | 64.77 | f | 54.85 | a | 40.40 | 34.12 | a | 54.42 | b | |
1952 | 37.44 | 36.77 | a | 42.35 | d | 54.19 | a | 62.75 | a | 72.66 | b | 75.48 | 76.46 | g | 66.07 | a | 55.88 | g | 36.66 | e | 31.71 | c | 51.61 | b | ||
1953 | 39.60 | 37.08 | d | 44.92 | g | 53.48 | a | 57.27 | 71.48 | f | 76.85 | 72.63 | 65.78 | ----- | z | 43.54 | e | 31.47 | 53.08 | c | ||||||
1954 | 36.45 | 44.11 | 44.73 | a | 59.62 | 64.61 | 71.12 | 79.08 | a | 74.45 | 69.58 | 58.56 | 45.58 | 34.42 | 56.86 | |||||||||||
1955 | 32.19 | 34.07 | a | 46.58 | 53.13 | 62.00 | 69.78 | 75.58 | 74.75 | u | 69.02 | 57.82 | 43.26 | a | 37.63 | 52.82 | a | |||||||||
1956 | 39.29 | 34.47 | 47.02 | 53.34 | a | 64.60 | 75.13 | 75.56 | 72.92 | 69.57 | 57.82 | 38.42 | 33.71 | 55.15 | ||||||||||||
1957 | 38.50 | 46.96 | 46.98 | 53.08 | 60.48 | 71.98 | 77.90 | 74.37 | 65.80 | 54.87 | 39.88 | 36.66 | 55.62 | |||||||||||||
1958 | 34.42 | 42.48 | 42.47 | 52.28 | 66.66 | 75.42 | 77.44 | 77.58 | 68.28 | 55.90 | 43.55 | 38.42 | a | 56.24 | ||||||||||||
1959 | 32.76 | 38.18 | 44.63 | 55.80 | 62.56 | 74.90 | 77.18 | 75.19 | 65.70 | 53.76 | 41.33 | 35.94 | 54.83 | |||||||||||||
1960 | 31.34 | 35.53 | 48.35 | 56.08 | 61.68 | 72.35 | 76.26 | 75.37 | 68.20 | 52.92 | 43.57 | 33.08 | 54.56 | |||||||||||||
1961 | 31.03 | 40.00 | 47.05 | 53.30 | 63.48 | 73.93 | 76.53 | 74.58 | 63.40 | 53.19 | 40.42 | 33.08 | 54.17 | |||||||||||||
1962 | 32.26 | 41.80 | 40.24 | 57.15 | 62.03 | 70.63 | 75.34 | 74.15 | 67.67 | 55.40 | 45.70 | 37.48 | 54.99 | |||||||||||||
1963 | 29.42 | 40.04 | 45.76 | 55.73 | 65.81 | 69.98 | 78.98 | 74.18 | 69.23 | 59.42 | 44.58 | 33.97 | b | 55.59 | ||||||||||||
1964 | 30.60 | 28.78 | 41.90 | 51.90 | 64.16 | 70.35 | 78.26 | 74.74 | 68.50 | 57.11 | 43.77 | 35.71 | 53.81 | |||||||||||||
1965 | 38.02 | 37.86 | 43.15 | 54.70 | 61.53 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 34.61 | 44.98 | f | ||||||
1966 | 29.98 | 33.80 | 45.34 | 54.85 | 65.19 | 70.58 | 78.66 | 74.10 | 66.62 | 54.53 | 45.80 | 34.31 | 54.48 | |||||||||||||
1967 | 32.89 | 41.54 | a | 50.63 | a | 54.70 | 60.95 | 68.88 | 77.73 | 71.92 | 65.45 | 55.97 | 44.80 | 32.18 | 54.80 | |||||||||||
1968 | 34.92 | 41.88 | a | 44.71 | 50.63 | 60.11 | 70.45 | 74.65 | a | 71.32 | 64.50 | 55.45 | 42.25 | 30.29 | 53.43 | |||||||||||
1969 | 39.16 | 37.46 | 41.10 | a | 54.58 | 61.76 | 68.76 | c | 77.05 | 75.39 | 67.15 | 53.40 | 41.65 | 37.66 | 54.59 | |||||||||||
1970 | 32.92 | 41.27 | 43.39 | 48.73 | 61.61 | 68.93 | 75.71 | 75.08 | 65.17 | 50.55 | 42.42 | 34.23 | 53.33 | |||||||||||||
1971 | 31.23 | 37.12 | 45.06 | 50.57 | 58.79 | 70.05 | 75.76 | 71.50 | 64.05 | 53.05 | 41.87 | 30.47 | 52.46 | |||||||||||||
1972 | 33.98 | 41.00 | 50.92 | 54.22 | 60.77 | 70.62 | 75.85 | 72.26 | 65.97 | 57.03 | 39.95 | 33.71 | 54.69 | |||||||||||||
1973 | 32.34 | 37.52 | 43.52 | 46.37 | 59.90 | 70.15 | d | 73.77 | 73.26 | 64.08 | 54.44 | 43.40 | 34.31 | 52.75 | ||||||||||||
1974 | 32.55 | 35.45 | 50.61 | 53.12 | 64.11 | 74.02 | 75.34 | 71.26 | 64.90 | 56.34 | 43.22 | 30.98 | 54.32 | |||||||||||||
1975 | 30.98 | 37.32 | 44.90 | 49.42 | 59.29 | 68.77 | 73.87 | 72.58 | 63.77 | 54.37 | 41.90 | 35.69 | 52.74 | |||||||||||||
1976 | 32.32 | 43.28 | 45.63 | 53.33 | 62.60 | a | 70.47 | 74.97 | a | 72.02 | 66.43 | 52.06 | 38.38 | 31.23 | 53.56 | |||||||||||
1977 | 28.58 | 39.11 | 42.42 | 55.18 | 61.48 | 72.98 | 76.97 | b | 76.23 | a | 67.77 | 57.28 | b | 45.98 | 40.08 | 55.34 | ||||||||||
1978 | 37.90 | 39.68 | 48.40 | 56.18 | 60.39 | 72.75 | 78.23 | 73.44 | 67.02 | 57.58 | 46.15 | c | 31.45 | 55.76 | ||||||||||||
1979 | 32.26 | 38.52 | a | 45.55 | 53.35 | 60.82 | 69.10 | 75.87 | 73.00 | c | 67.48 | 57.61 | 39.20 | 36.05 | 54.07 | |||||||||||
1980 | 38.42 | 42.29 | a | 44.58 | a | 52.62 | a | 60.50 | e | 74.77 | 82.06 | 76.39 | 69.53 | 54.13 | a | 44.20 | c | 40.60 | b | 56.68 | ||||||
1981 | 38.07 | b | 42.02 | a | 46.40 | b | 60.02 | c | 65.25 | a | 77.33 | c | 80.07 | c | 76.62 | b | 69.60 | a | 56.54 | c | ----- | z | 39.37 | a | 59.21 | a |
1982 | 36.18 | c | ----- | z | ----- | z | 57.29 | k | 66.56 | v | 73.08 | l | 77.98 | f | 76.22 | f | ----- | z | ----- | z | ----- | z | ----- | z | 36.18 | k |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 34.03 | 38.87 | 45.21 | 53.93 | 62.29 | 70.99 | 76.24 | 73.79 | 66.78 | 55.44 | 42.32 | 34.65 | 54.62 | |||||||||||||
S.D. | 3.02 | 3.68 | 2.61 | 2.84 | 2.08 | 2.50 | 2.04 | 1.93 | 1.96 | 2.11 | 3.00 | 2.90 | 1.10 | |||||||||||||
SKEW | 0.39 | -0.75 | 0.28 | -0.05 | 0.26 | 0.39 | 0.02 | -0.20 | -0.11 | -0.17 | -0.98 | 0.26 | 0.02 | |||||||||||||
MAX | 39.92 | 46.96 | 50.92 | 60.02 | 66.66 | 77.33 | 82.06 | 77.58 | 69.82 | 60.25 | 46.47 | 40.60 | 56.86 | |||||||||||||
MIN | 28.58 | 27.63 | 39.84 | 46.37 | 57.27 | 66.17 | 71.20 | 69.27 | 63.37 | 50.50 | 31.97 | 29.97 | 52.46 | |||||||||||||
YRS | 48 | 47 | 47 | 48 | 48 | 45 | 47 | 45 | 45 | 43 | 44 | 45 | 33 |