YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1914 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 38.05 | l | ----- | z |
1915 | 40.54 | e | 43.50 | c | 50.92 | g | 54.50 | 57.97 | 70.55 | 74.94 | 75.05 | 65.63 | 62.47 | p | 47.38 | e | 42.68 | 57.27 | b | |||||||
1916 | 36.83 | y | 47.38 | i | 51.66 | ----- | z | 63.74 | 70.42 | 76.94 | 72.58 | 68.40 | 52.65 | 44.11 | b | 37.45 | 59.77 | c | ||||||||
1917 | 34.10 | 38.86 | 39.97 | 49.20 | 52.52 | 72.35 | 74.71 | 70.50 | 66.68 | 57.81 | 47.95 | 45.61 | d | 54.19 | ||||||||||||
1918 | 33.98 | 36.91 | 42.90 | 52.77 | 58.74 | 71.77 | 71.55 | 66.45 | 61.40 | 53.18 | ----- | z | ----- | z | 54.97 | b | ||||||||||
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1939 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1940 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1945 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1950 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1963 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1964 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1966 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1967 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1968 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1969 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1970 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1971 | ----- | z | ----- | z | ----- | z | 45.59 | m | 52.11 | 70.65 | j | ----- | z | 68.32 | 63.57 | 48.31 | 43.05 | h | 32.41 | h | 58.08 | h | ||||
1972 | 37.37 | p | 45.50 | x | 50.58 | k | 51.83 | 57.95 | 66.62 | a | 74.60 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 62.75 | h | |||
1973 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1974 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1975 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1976 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 52.18 | 44.43 | 37.64 | b | 44.75 | i | ||
1977 | 34.55 | 39.64 | c | 39.68 | 50.78 | a | 53.15 | 71.18 | 71.85 | 70.89 | 66.10 | 57.24 | 49.47 | 46.88 | a | 54.28 | ||||||||||
1978 | 40.24 | 38.64 | 46.92 | a | 46.52 | 55.65 | 68.79 | b | 69.92 | 67.08 | 61.57 | 59.54 | d | 44.88 | m | 37.19 | o | 55.49 | b | |||||||
1979 | 32.14 | i | 36.84 | 42.00 | a | 49.80 | 57.37 | 67.82 | 73.77 | 68.13 | 68.55 | 58.11 | 42.30 | g | 38.18 | l | 58.04 | c | ||||||||
1980 | 40.79 | j | 41.33 | 40.47 | b | 50.16 | b | 52.21 | 67.35 | 73.71 | 70.16 | 65.52 | 54.94 | 46.53 | 45.26 | 55.24 | a | |||||||||
1981 | 40.52 | ----- | z | 41.56 | 52.83 | 57.03 | 71.65 | 73.50 | 70.69 | 64.68 | 52.03 | 48.91 | g | 42.02 | c | 56.65 | b | |||||||||
1982 | 37.64 | b | 40.09 | 42.65 | a | 48.65 | 56.71 | b | 63.80 | 70.32 | a | 70.33 | a | 64.15 | 52.13 | a | 42.48 | a | 36.85 | a | 52.15 | |||||
1983 | 38.57 | b | 39.48 | c | 41.81 | 44.96 | b | 57.67 | a | 64.75 | 72.35 | e | 69.38 | b | 66.98 | 53.94 | 43.47 | 39.97 | b | 52.78 | ||||||
1984 | 38.50 | a | 39.95 | a | 45.32 | 49.13 | 63.92 | a | 65.53 | 70.24 | b | 68.55 | 65.84 | b | 49.92 | a | 42.92 | 35.66 | c | 52.96 | ||||||
1985 | 35.73 | 37.11 | 42.55 | 54.33 | 58.89 | 70.43 | 73.97 | 70.95 | a | 60.53 | a | 53.76 | j | 42.07 | c | 39.26 | b | 53.26 | a | |||||||
1986 | 43.58 | 41.64 | 46.95 | a | 50.84 | e | 59.60 | 68.52 | 69.15 | 71.56 | 59.78 | 50.73 | 44.68 | 37.67 | a | 53.72 | ||||||||||
1987 | 36.74 | b | 38.55 | 40.58 | 53.80 | c | 57.09 | c | 69.58 | 69.97 | 68.92 | a | 63.85 | 58.39 | c | 43.80 | o | 38.09 | h | 55.75 | b | |||||
1988 | 37.28 | f | 42.72 | b | 45.32 | a | 50.31 | c | 59.07 | c | 69.79 | a | 73.34 | 69.84 | c | 63.40 | a | 60.19 | b | 45.19 | c | 37.48 | e | 56.06 | a | |
1989 | 34.48 | a | 40.54 | 49.35 | d | ----- | z | 61.13 | a | 69.12 | 73.90 | 69.90 | b | 66.45 | a | 56.04 | f | 46.45 | a | 40.06 | d | 55.14 | b | |||
1990 | 35.13 | a | 35.96 | a | 43.89 | d | 50.87 | c | 57.21 | b | 70.77 | 71.11 | 68.02 | b | 65.48 | a | 56.36 | c | 44.57 | 34.02 | d | 52.78 | ||||
1991 | 36.33 | b | 43.75 | b | 39.30 | a | 48.80 | h | 57.52 | i | 63.64 | a | 72.65 | a | 71.07 | a | 63.75 | p | 59.05 | i | 44.32 | k | 36.77 | e | 51.93 | e |
1992 | 35.58 | l | 40.36 | a | 43.76 | f | 53.75 | 58.83 | a | 66.82 | 71.45 | b | 70.65 | 66.37 | g | 58.06 | 40.91 | a | 35.05 | b | 55.10 | c | ||||
1993 | 38.33 | a | 37.95 | 45.93 | a | 53.33 | 61.65 | 68.60 | a | 71.79 | 71.29 | b | 65.00 | b | 55.45 | a | 42.35 | c | 39.03 | l | 55.61 | a | ||||
1994 | 37.43 | p | 37.41 | k | 45.43 | j | 52.11 | l | 57.60 | b | 71.93 | c | 73.91 | b | 72.78 | b | 66.69 | f | 51.74 | l | 41.12 | m | 38.18 | n | 69.05 | h |
1995 | 37.08 | l | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 37.43 | 39.67 | 43.62 | 50.97 | 57.73 | 68.77 | 72.59 | 70.13 | 64.68 | 54.80 | 44.68 | 39.43 | 53.27 | |||||||||||||
S.D. | 2.81 | 2.24 | 3.42 | 2.61 | 3.21 | 2.61 | 1.96 | 1.94 | 2.43 | 3.47 | 2.37 | 3.84 | 0.81 | |||||||||||||
SKEW | 0.53 | 0.23 | 0.76 | -0.57 | -0.04 | -0.56 | 0.09 | 0.32 | -0.44 | -0.14 | 0.38 | 0.62 | 0.10 | |||||||||||||
MAX | 43.58 | 43.75 | 51.66 | 54.50 | 63.92 | 72.35 | 76.94 | 75.05 | 68.55 | 60.19 | 49.47 | 46.88 | 54.28 | |||||||||||||
MIN | 33.98 | 35.96 | 39.30 | 44.96 | 52.11 | 63.64 | 69.15 | 66.45 | 59.78 | 48.31 | 40.91 | 34.02 | 52.15 | |||||||||||||
YRS | 16 | 19 | 19 | 19 | 23 | 23 | 23 | 23 | 20 | 19 | 16 | 17 | 7 |