YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1909 | ----- | z | ----- | z | ----- | z | ----- | z | 68.71 | x | 79.97 | 87.94 | 91.60 | a | 79.70 | 65.39 | 47.08 | e | 20.23 | 67.41 | e | |||||
1910 | 28.81 | 27.26 | a | 63.93 | b | 69.03 | 67.86 | b | 84.50 | 91.26 | 86.35 | 77.70 | 70.48 | ----- | z | 37.74 | 64.08 | a | ||||||||
1911 | 37.68 | 38.77 | b | 59.17 | b | 59.03 | 75.87 | 92.17 | 87.87 | a | 81.60 | a | 75.55 | a | 57.07 | a | 38.14 | b | 31.73 | i | 63.90 | a | ||||
1912 | 22.48 | b | 35.00 | 35.84 | 65.17 | 70.81 | 81.13 | 86.68 | 82.42 | 67.97 | 65.58 | 55.90 | 41.96 | c | 59.24 | |||||||||||
1913 | 33.03 | 26.38 | d | 39.16 | 62.34 | a | 67.00 | 82.05 | i | 89.96 | f | 93.33 | a | 78.63 | 59.39 | 56.55 | a | 39.32 | 55.51 | b | ||||||
1914 | 44.63 | a | 25.00 | 43.35 | 58.77 | 71.52 | 84.47 | 94.81 | 86.80 | a | 82.12 | e | 66.61 | 56.77 | d | 26.65 | 61.79 | |||||||||
1915 | 27.83 | b | 32.84 | c | 29.58 | 67.07 | 63.90 | a | 73.75 | b | 79.03 | 80.32 | 73.37 | 69.32 | 49.79 | a | 38.83 | a | 57.14 | |||||||
1916 | 23.69 | b | 38.29 | a | 54.23 | 58.40 | 70.50 | a | 75.93 | a | 93.19 | 86.87 | a | 78.73 | 63.07 | a | 51.69 | d | 29.39 | 60.33 | ||||||
1917 | 32.10 | a | 28.22 | a | 38.68 | 54.21 | a | 65.25 | c | 80.77 | 94.13 | h | 88.13 | a | ----- | z | ----- | z | 60.50 | 29.07 | a | 52.99 | c | |||
1918 | 19.33 | a | 36.57 | 60.29 | c | 55.92 | d | 74.75 | c | 85.75 | j | 87.12 | e | 93.50 | o | 76.13 | g | 69.57 | j | 51.44 | c | 40.12 | g | 55.06 | e | |
1919 | 46.75 | c | 30.65 | h | 44.88 | e | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 45.82 | j |
1920 | ----- | z | ----- | z | 48.60 | a | 49.70 | 67.72 | b | 77.30 | 87.58 | 87.97 | 80.73 | 70.16 | 44.37 | c | 38.57 | a | 65.27 | b | ||||||
1921 | 43.06 | 46.82 | 55.87 | 64.50 | 70.06 | 88.97 | a | 92.52 | f | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 61.55 | f | |||||
1922 | 23.65 | 21.07 | 46.61 | 57.63 | 69.39 | 83.52 | a | 83.33 | a | 90.39 | 85.87 | ----- | z | ----- | z | ----- | z | 62.38 | c | |||||||
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 | 85.48 | e | 90.00 | 87.65 | 84.23 | 64.57 | h | 45.87 | 38.55 | 71.96 | f | |||||
1953 | 40.71 | 34.36 | 48.60 | a | 51.20 | 66.19 | 82.77 | 88.00 | 86.13 | 80.80 | 72.65 | 53.83 | 41.19 | 62.20 | ||||||||||||
1954 | 33.16 | 56.18 | 40.58 | 62.73 | 67.48 | 78.40 | 94.61 | 90.06 | 79.37 | 61.45 | 55.80 | 40.19 | 63.34 | |||||||||||||
1955 | 36.06 | 31.93 | 44.55 | 67.53 | 76.68 | 76.37 | 94.61 | 93.87 | 80.90 | 68.13 | 37.53 | 29.58 | 61.48 | |||||||||||||
1956 | 30.97 | 36.14 | 48.23 | 53.67 | 70.13 | a | 90.33 | 87.32 | 84.87 | 80.87 | 71.71 | 45.17 | 40.68 | 61.67 | ||||||||||||
1957 | 22.39 | 40.43 | 44.71 | 53.80 | 66.48 | 77.50 | 90.00 | 85.81 | 75.10 | 59.68 | 46.70 | 48.16 | 59.23 | |||||||||||||
1958 | 43.58 | 31.54 | 39.48 | 57.80 | 78.03 | 75.60 | 80.45 | 89.61 | 81.27 | 67.52 | 50.27 | 38.29 | 61.12 | |||||||||||||
1959 | 30.45 | 32.68 | 51.97 | 58.90 | 68.65 | 85.80 | 90.71 | 94.94 | 75.37 | 59.06 | 40.57 | 42.58 | 60.97 | |||||||||||||
1960 | 33.65 | 27.90 | 38.03 | 63.10 | 72.16 | 76.53 | 92.58 | 90.29 | 78.67 | 68.16 | 51.17 | 34.03 | 60.52 | |||||||||||||
1961 | 38.35 | 44.89 | 51.52 | 57.80 | 68.29 | 84.03 | 88.00 | 92.10 | 74.00 | 65.84 | 49.50 | 35.52 | 62.49 | |||||||||||||
1962 | 31.42 | 33.96 | 38.06 | 65.70 | 71.94 | 77.03 | 82.03 | 88.68 | 79.30 | 68.23 | 54.03 | 41.65 | 61.00 | |||||||||||||
1963 | 25.74 | 43.11 | 56.23 | 60.77 | 73.19 | 84.00 | 91.13 | 89.42 | 81.24 | a | 75.71 | 54.90 | 31.45 | 63.91 | ||||||||||||
1964 | 39.74 | 40.69 | 46.60 | a | 61.43 | 74.39 | 79.53 | 93.13 | 86.29 | 78.23 | 66.87 | 47.47 | 30.81 | 62.10 | ||||||||||||
1965 | 33.90 | 39.71 | 33.84 | 61.43 | 72.45 | 77.83 | 86.58 | 86.52 | 63.47 | 69.77 | 49.07 | 41.97 | 59.71 | |||||||||||||
1966 | 24.52 | 28.50 | 51.97 | b | 54.60 | 74.77 | 82.63 | 94.00 | 83.42 | 74.53 | 64.00 | 46.83 | 36.90 | 59.72 | ||||||||||||
1967 | 38.00 | 37.89 | 48.65 | 61.53 | 64.68 | 74.17 | 86.26 | 88.55 | 78.07 | 65.13 | 48.00 | 33.13 | 60.34 | |||||||||||||
1968 | 32.06 | 37.69 | 56.03 | 59.87 | 66.52 | 79.13 | 87.74 | 84.48 | 77.77 | 67.55 | 46.73 | 27.90 | 60.29 | |||||||||||||
1969 | 24.97 | 34.25 | 38.65 | 67.40 | 77.81 | 76.37 | 87.94 | 92.97 | 82.37 | 54.23 | 51.83 | 36.61 | 60.45 | |||||||||||||
1970 | 25.45 | 43.25 | 39.52 | 53.53 | 73.26 | 83.57 | 90.10 | 92.03 | 76.47 | 60.35 | 45.37 | 32.13 | 59.59 | |||||||||||||
1971 | 25.65 | 32.29 | 46.26 | 62.83 | 68.90 | a | 82.63 | 88.39 | 93.39 | 75.53 | 60.71 | 45.80 | 34.10 | 59.71 | ||||||||||||
1972 | 29.48 | 37.03 | 51.90 | 59.27 | 70.10 | 80.77 | 85.74 | 87.32 | 80.70 | 62.65 | 41.57 | 29.26 | 59.65 | |||||||||||||
1973 | 35.87 | 42.71 | ----- | z | 58.30 | 72.06 | 81.87 | 90.00 | 94.19 | 72.03 | 66.90 | 44.10 | 35.42 | 63.04 | a | |||||||||||
1974 | 35.16 | 45.86 | 55.58 | 62.53 | 71.84 | 84.27 | 96.77 | 84.71 | 76.57 | 71.17 | a | 51.53 | 41.03 | 64.75 | ||||||||||||
1975 | 34.83 | a | 27.36 | 38.80 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 33.66 | i | |
1976 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 44.37 | 38.13 | 41.25 | j | ||
1977 | 22.67 | a | 43.64 | 46.58 | 63.90 | 77.13 | a | 84.70 | 91.68 | 83.87 | 78.67 | 62.68 | 44.67 | 29.81 | 60.83 | |||||||||||
1978 | 17.03 | 22.42 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 19.73 | j | |
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 | 40.74 | 40.74 | k | |
1999 | 34.45 | 49.89 | 51.39 | 57.83 | a | 69.40 | a | 79.64 | b | 87.73 | a | 88.26 | 72.07 | a | 65.06 | 58.33 | 46.81 | 63.41 | ||||||||
2000 | 37.39 | 46.14 | 54.93 | a | 60.69 | a | 73.23 | a | 80.73 | 88.69 | b | 91.52 | 82.53 | 64.52 | 35.90 | 24.52 | 61.73 | |||||||||
2001 | 39.71 | 26.23 | b | 45.26 | 62.17 | a | 72.06 | 78.93 | 89.94 | 90.84 | 78.70 | 64.19 | 55.43 | 39.55 | 61.92 | |||||||||||
2002 | 40.87 | 47.48 | a | 34.83 | a | 60.07 | a | 68.39 | 88.60 | 96.48 | 88.84 | 78.79 | a | 51.39 | 49.43 | 43.39 | 62.38 | |||||||||
2003 | 35.87 | 32.64 | 49.55 | 62.13 | 68.71 | 77.40 | 91.65 | 92.61 | 77.50 | 67.48 | 40.79 | a | 39.61 | 61.33 | ||||||||||||
2004 | 31.71 | 39.76 | 53.71 | 65.10 | 72.45 | 78.00 | 88.83 | a | 83.90 | a | 77.73 | 62.55 | 50.30 | 44.97 | b | 62.42 | ||||||||||
2005 | 30.74 | 46.29 | 49.68 | 60.77 | 67.61 | 81.03 | 90.71 | 86.97 | 82.50 | 64.60 | a | 51.60 | 31.77 | 62.02 | ||||||||||||
2006 | 47.97 | 37.00 | 43.77 | 65.73 | 74.13 | 87.20 | 97.42 | 89.37 | a | 71.47 | 58.26 | 47.73 | 41.97 | 63.50 | ||||||||||||
2007 | 37.16 | 28.25 | 57.81 | 57.67 | 75.13 | 83.47 | 94.91 | h | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 56.58 | f | ||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 32.71 | 36.36 | 47.05 | 60.31 | 70.88 | 81.34 | 89.48 | 88.35 | 77.79 | 64.88 | 48.71 | 36.38 | 61.24 | |||||||||||||
S.D. | 7.37 | 7.88 | 7.86 | 4.49 | 3.62 | 4.35 | 4.08 | 3.61 | 4.28 | 5.05 | 5.71 | 6.19 | 1.58 | |||||||||||||
SKEW | -0.02 | 0.18 | -0.06 | -0.26 | 0.14 | 0.42 | -0.29 | -0.13 | -1.05 | -0.44 | -0.17 | -0.45 | -0.06 | |||||||||||||
MAX | 47.97 | 56.18 | 63.93 | 69.03 | 78.03 | 92.17 | 97.42 | 94.94 | 85.87 | 75.71 | 60.50 | 48.16 | 64.75 | |||||||||||||
MIN | 17.03 | 21.07 | 29.58 | 49.70 | 63.90 | 73.75 | 79.03 | 80.32 | 63.47 | 51.39 | 35.90 | 20.23 | 57.14 | |||||||||||||
YRS | 46 | 45 | 45 | 44 | 44 | 44 | 42 | 43 | 42 | 40 | 43 | 43 | 34 |