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 | 26.76 | 26.76 | k | |
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 | 33.72 | b | 37.17 | b | ----- | z | 55.43 | p | 56.62 | ----- | z | 62.68 | 54.87 | 47.68 | 41.08 | 33.35 | 45.90 | d | ||||||
1921 | 30.52 | b | 31.79 | 40.47 | a | 40.43 | 42.82 | c | 55.97 | 62.09 | b | 54.46 | e | 47.36 | a | 41.89 | 34.58 | f | 30.29 | x | 44.78 | b | ||||
1922 | 21.52 | h | 21.29 | 26.95 | b | 36.09 | b | 43.42 | a | 56.90 | 63.03 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 41.28 | f | ||
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 | 56.43 | ----- | z | ----- | z | ----- | z | 56.43 | k | |
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 | 40.30 | 35.27 | 37.79 | j | ||
1934 | 33.94 | 37.80 | 45.61 | 48.13 | 52.08 | 52.40 | 64.35 | 63.40 | 54.57 | 47.10 | 40.17 | 34.15 | h | 49.05 | a | |||||||||||
1935 | 28.67 | b | 32.21 | 33.72 | f | 41.88 | b | 46.09 | b | 59.25 | 59.77 | 62.15 | h | 57.04 | f | ----- | z | 35.78 | 31.84 | c | 41.94 | d | ||||
1936 | 34.90 | b | 30.97 | 37.94 | 45.65 | c | 51.50 | e | 57.93 | a | 62.56 | 61.60 | b | 53.29 | b | 44.82 | a | 37.62 | b | 29.68 | i | 47.16 | a | |||
1937 | 14.78 | b | 28.34 | 29.92 | 37.72 | a | 50.31 | 56.40 | 62.13 | 62.84 | 57.93 | 48.95 | 40.72 | 34.94 | 43.75 | |||||||||||
1938 | 33.23 | 27.34 | 30.29 | 39.68 | 47.58 | 54.93 | a | 61.47 | 61.08 | a | 57.20 | 43.27 | 35.35 | 33.18 | 43.72 | |||||||||||
1939 | 28.53 | 23.85 | a | 33.58 | 43.52 | 48.52 | 54.87 | 62.34 | 62.82 | a | 53.70 | 45.15 | 40.67 | 38.48 | 44.67 | |||||||||||
1940 | 34.56 | 33.29 | ----- | z | 42.95 | a | 52.69 | 60.23 | 60.40 | 63.00 | a | 53.85 | 48.10 | 37.10 | a | 35.98 | 47.47 | a | ||||||||
1941 | 31.44 | 34.07 | 34.84 | 35.97 | 50.00 | 52.05 | 60.85 | a | 58.42 | a | 51.73 | 42.48 | a | 41.15 | 31.60 | 43.72 | ||||||||||
1942 | 31.29 | 32.15 | b | 34.48 | 38.45 | 45.98 | 55.91 | a | 63.07 | a | 60.16 | b | 53.45 | a | 47.03 | 42.91 | b | 36.20 | a | 45.09 | ||||||
1943 | 32.63 | 30.57 | 37.94 | 45.28 | 51.02 | 51.42 | 61.52 | 61.79 | 59.27 | 48.10 | a | 39.93 | 29.69 | 45.76 | ||||||||||||
1944 | 28.37 | a | 27.47 | 31.92 | 37.50 | 46.06 | 49.37 | 58.34 | 60.87 | 57.63 | 46.82 | 32.53 | 31.18 | a | 42.34 | |||||||||||
1945 | 30.15 | 32.34 | 28.63 | 39.35 | 46.92 | 54.58 | 63.35 | 60.52 | 56.17 | 47.35 | 37.22 | 32.27 | 44.07 | |||||||||||||
1946 | 29.37 | 29.39 | 33.61 | 43.87 | 48.10 | 56.50 | 60.90 | 62.61 | 58.12 | 42.73 | 32.15 | 33.87 | 44.27 | |||||||||||||
1947 | 28.90 | ----- | z | 39.39 | 42.98 | 53.08 | 55.72 | 63.29 | 60.00 | 59.88 | 48.58 | 34.63 | 27.84 | 46.75 | a | |||||||||||
1948 | 34.06 | 27.14 | 29.19 | 40.12 | b | 46.92 | 54.35 | 60.75 | g | 59.94 | 56.60 | 46.47 | 37.27 | 27.26 | 41.76 | a | ||||||||||
1949 | 13.88 | a | 21.11 | a | 28.48 | 40.12 | 44.53 | b | 56.55 | 61.47 | 60.05 | 58.10 | 42.97 | a | 41.33 | g | 25.50 | 41.16 | a | |||||||
1950 | 22.35 | a | 34.05 | 38.73 | 44.52 | 46.97 | 53.12 | 61.48 | 59.97 | 52.98 | 50.19 | 40.92 | 37.34 | 45.22 | ||||||||||||
1951 | 29.82 | 31.54 | 33.94 | 39.38 | 47.23 | 52.47 | 61.08 | 58.60 | 55.35 | 44.16 | 34.20 | 26.40 | 42.85 | |||||||||||||
1952 | 21.87 | 24.79 | 25.58 | 35.90 | a | 50.31 | 50.58 | f | 58.95 | 60.90 | 54.85 | 49.50 | 31.05 | 29.69 | 40.31 | a | ||||||||||
1953 | 40.06 | g | 37.98 | ----- | z | ----- | z | ----- | z | 59.92 | j | 68.60 | 64.83 | a | 58.48 | h | 46.71 | 39.70 | 32.00 | 48.30 | f | |||||
1954 | 29.98 | 37.02 | 34.16 | 45.73 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 36.72 | h | ||||
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 64.18 | 58.83 | f | 49.44 | 38.39 | c | 35.52 | a | 46.88 | h | ||
1956 | 36.25 | a | 29.77 | r | 40.38 | f | 38.52 | b | 48.53 | 59.12 | f | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 41.10 | i | |
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 60.10 | 63.52 | 60.79 | 52.82 | 41.09 | b | 33.27 | b | 32.69 | 49.18 | e | |||||
1958 | 30.89 | 33.20 | a | 27.58 | a | 36.25 | 50.89 | 54.10 | 59.68 | a | 63.18 | a | 56.53 | 48.34 | 34.78 | a | 34.92 | 44.20 | ||||||||
1959 | 32.55 | a | 30.02 | a | 40.32 | 46.95 | a | 48.85 | 62.72 | a | 69.08 | a | 62.93 | b | 55.30 | c | 49.92 | a | 39.50 | 33.98 | 47.68 | |||||
1960 | 24.83 | b | 29.67 | 39.73 | 44.28 | 49.66 | 62.48 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 41.78 | f | ||||
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1972 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | ----- | z | ----- | z | ----- | z | ----- | z |
1977 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1978 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1981 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1982 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1983 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1984 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1985 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1986 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1987 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1991 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1992 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1993 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1994 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1995 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1997 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1998 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1999 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2000 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2001 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2002 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 29.11 | 30.50 | 34.19 | 41.20 | 48.40 | 55.88 | 62.22 | 61.26 | 55.33 | 46.35 | 37.54 | 32.31 | 44.41 | |||||||||||||
S.D. | 5.69 | 4.48 | 5.20 | 3.67 | 2.77 | 3.31 | 2.52 | 2.19 | 2.75 | 2.72 | 3.32 | 3.57 | 1.35 | |||||||||||||
SKEW | -1.41 | -0.42 | 0.18 | 0.15 | -0.18 | 0.33 | 1.27 | -1.05 | -0.78 | -0.44 | -0.36 | -0.35 | 0.86 | |||||||||||||
MAX | 36.25 | 37.98 | 45.61 | 48.13 | 53.08 | 62.72 | 69.08 | 64.83 | 59.88 | 50.19 | 42.91 | 38.48 | 47.68 | |||||||||||||
MIN | 13.88 | 21.11 | 25.58 | 35.90 | 42.82 | 49.37 | 58.34 | 54.46 | 47.36 | 41.09 | 31.05 | 25.50 | 42.34 | |||||||||||||
YRS | 25 | 26 | 24 | 26 | 25 | 25 | 24 | 25 | 24 | 25 | 25 | 25 | 13 |