YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | 32.80 | k | ----- | z |
1911 | 31.44 | n | 26.46 | c | 39.19 | m | 42.07 | 45.98 | 60.00 | c | 66.95 | i | 63.50 | a | 51.96 | b | 45.93 | c | 36.60 | d | 29.71 | 44.69 | c | |||
1912 | 33.80 | d | 38.56 | d | 37.38 | e | 43.50 | a | 51.43 | a | 62.25 | t | 65.32 | n | 62.24 | 53.12 | 41.70 | a | 37.62 | f | 29.75 | c | 43.50 | c | ||
1913 | ----- | z | 31.37 | a | 37.12 | a | 44.09 | b | ----- | z | 58.38 | b | 65.19 | d | 65.33 | b | ----- | z | ----- | z | ----- | z | ----- | z | 50.24 | f |
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 | 36.19 | l | 39.50 | 48.00 | 49.47 | 62.38 | a | 66.77 | 61.65 | 46.48 | 44.92 | a | 39.68 | b | 29.22 | a | 48.81 | b | ||||||
1927 | 31.68 | 30.83 | a | 35.06 | 39.70 | ----- | z | 57.23 | ----- | z | 59.45 | ----- | z | ----- | z | ----- | z | 18.82 | c | 38.97 | e | |||||
1928 | 30.34 | b | 31.62 | q | 38.62 | b | 40.48 | a | 54.11 | 54.22 | 65.35 | 60.34 | 54.07 | 43.10 | 34.03 | 23.25 | a | 45.27 | a | |||||||
1929 | 22.14 | j | 23.57 | a | 35.92 | 37.27 | 48.23 | 53.52 | b | 63.60 | 64.39 | 49.32 | 44.87 | 33.37 | 34.97 | 44.46 | a | |||||||||
1930 | 12.26 | 37.00 | a | 37.65 | 45.67 | 46.63 | 54.68 | 63.90 | 62.85 | 52.48 | a | 42.47 | a | 31.45 | a | 23.10 | 42.51 | |||||||||
1931 | 28.28 | b | 30.12 | 35.47 | b | 42.05 | 52.40 | 55.55 | a | 67.40 | 64.58 | 51.40 | 44.00 | 30.85 | 24.84 | 43.91 | ||||||||||
1932 | 24.96 | c | 27.52 | 38.66 | 41.17 | a | 48.50 | 58.43 | 61.08 | 58.89 | 54.75 | 44.85 | 38.52 | a | 20.35 | a | 43.14 | |||||||||
1933 | 24.78 | a | 24.25 | 34.94 | 41.87 | 44.24 | 59.37 | 66.90 | 61.58 | 50.68 | e | 48.60 | 35.21 | a | 37.23 | 44.14 | ||||||||||
1934 | 36.15 | 37.05 | 44.29 | 49.43 | 54.18 | 55.63 | 64.39 | 65.08 | 53.35 | 47.13 | 38.48 | 28.55 | c | 47.81 | ||||||||||||
1935 | 26.27 | 32.35 | a | 31.93 | a | 41.25 | f | 47.75 | a | 57.71 | b | 62.81 | 63.15 | a | 57.17 | c | 43.52 | h | 26.85 | f | 27.28 | b | 45.16 | c | ||
1936 | 29.52 | a | 30.75 | a | 36.18 | a | 45.83 | 53.32 | 59.33 | 69.08 | 65.08 | 54.65 | 47.65 | 33.31 | a | 27.29 | l | 47.70 | a | |||||||
1937 | 14.00 | b | 29.98 | a | 37.50 | 39.50 | b | 50.43 | b | 56.57 | a | 66.23 | a | 61.16 | 55.76 | a | 48.53 | 38.94 | l | 33.04 | d | 44.79 | a | |||
1938 | 29.77 | 29.25 | 34.58 | 43.33 | 48.85 | 59.67 | 66.74 | 60.87 | 58.28 | 46.27 | a | 31.72 | 31.72 | a | 45.09 | |||||||||||
1939 | 30.65 | 28.70 | 38.03 | 46.70 | 52.52 | 55.20 | 66.18 | 64.60 | 55.90 | 46.40 | 36.83 | 34.63 | a | 46.36 | ||||||||||||
1940 | 32.75 | a | 36.53 | 39.55 | 44.72 | 53.31 | 61.37 | 63.94 | 64.87 | 54.98 | b | 47.53 | 33.57 | 31.05 | 47.01 | |||||||||||
1941 | 32.13 | 35.61 | 38.74 | 42.53 | 50.63 | 55.17 | 66.50 | 62.29 | 50.85 | 44.79 | 39.77 | 30.82 | a | 45.82 | ||||||||||||
1942 | 21.45 | 30.77 | 36.45 | 43.33 | 47.15 | 54.07 | 65.58 | 65.24 | 56.93 | 47.10 | 37.68 | 33.29 | 44.92 | |||||||||||||
1943 | 23.71 | 33.30 | a | 35.30 | c | 45.43 | 47.65 | 51.87 | 63.52 | 60.76 | 59.50 | 45.97 | 37.33 | 26.97 | 44.27 | |||||||||||
1944 | 21.94 | 31.67 | 35.79 | 40.93 | 49.55 | 52.92 | 62.97 | 60.27 | 55.48 | 50.66 | 32.73 | 27.66 | 43.55 | |||||||||||||
1945 | 31.24 | 34.46 | 33.52 | 40.18 | 50.29 | 55.32 | 66.52 | 63.81 | 52.98 | 48.32 | 35.38 | 29.66 | 45.14 | |||||||||||||
1946 | 24.21 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 24.21 | k | |
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 | 38.58 | x | 45.22 | a | 52.64 | i | 61.23 | 58.10 | b | 55.48 | a | 44.44 | 37.88 | a | 33.13 | a | 47.93 | e | ||
1963 | 24.82 | a | 39.98 | a | 35.86 | b | 37.24 | a | 51.35 | a | 54.55 | 59.08 | e | 60.47 | 59.00 | 46.48 | f | 37.16 | b | 29.97 | a | 44.50 | a | |||
1964 | 26.55 | c | 31.31 | 33.12 | e | 39.60 | a | 46.83 | d | 54.69 | a | 63.60 | e | 60.03 | b | 51.46 | f | 47.93 | b | 32.46 | c | 31.46 | d | 42.51 | a | |
1965 | 31.95 | c | 35.20 | c | 34.59 | b | 42.85 | d | 44.78 | o | 55.31 | f | 61.68 | a | 60.55 | c | ----- | z | ----- | z | ----- | z | ----- | z | 44.47 | f |
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 | 48.08 | 57.22 | 65.94 | 60.23 | a | 54.37 | 44.26 | 35.98 | 28.11 | 49.27 | d | |||||||
1969 | 27.97 | 28.93 | 34.84 | 40.80 | 52.16 | 58.12 | a | 62.00 | 61.10 | 55.98 | 39.92 | 35.42 | 31.27 | 44.04 | ||||||||||||
1970 | 30.63 | 34.89 | 35.16 | 34.67 | 49.45 | 59.62 | 65.08 | 62.73 | 49.82 | 41.33 | b | 36.68 | 24.50 | 43.71 | ||||||||||||
1971 | 30.52 | 31.66 | 32.47 | 40.25 | 49.47 | 54.07 | 63.94 | 65.24 | 49.12 | a | 41.61 | 36.38 | 26.18 | 43.41 | ||||||||||||
1972 | 25.89 | 33.97 | 41.52 | 39.25 | 50.45 | 58.34 | a | 63.07 | a | 62.13 | 49.33 | 43.18 | 35.10 | 20.77 | a | 43.58 | ||||||||||
1973 | 27.89 | c | 34.39 | 33.78 | a | 40.63 | 52.32 | 57.43 | 63.73 | 61.29 | 54.43 | 43.65 | 35.45 | 33.16 | 44.85 | |||||||||||
1974 | 24.90 | a | 32.61 | a | 36.48 | 40.17 | 46.47 | 62.75 | b | 62.52 | 62.84 | 56.47 | 43.58 | 37.18 | 27.77 | 44.48 | ||||||||||
1975 | 27.61 | 31.04 | 33.52 | 35.65 | 48.23 | 55.22 | 67.77 | 59.94 | 55.78 | 43.67 | a | 33.53 | 31.53 | 43.62 | ||||||||||||
1976 | 31.68 | 32.04 | a | 33.02 | 38.77 | 50.19 | 52.73 | 64.90 | 59.20 | a | 57.55 | 45.16 | 37.72 | 26.76 | 44.14 | |||||||||||
1977 | 23.16 | 34.02 | 33.08 | 44.63 | 44.05 | a | 60.70 | 62.19 | 64.90 | 53.30 | 44.92 | 35.92 | ----- | z | 45.53 | a | ||||||||||
1978 | ----- | z | ----- | z | ----- | z | 40.60 | f | 44.82 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 44.82 | k | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 27.30 | 32.13 | 36.17 | 41.83 | 49.31 | 56.88 | 64.45 | 62.18 | 53.96 | 45.14 | 35.59 | 28.80 | 44.55 | |||||||||||||
S.D. | 5.20 | 3.77 | 2.69 | 3.35 | 2.81 | 2.85 | 2.21 | 2.11 | 3.11 | 2.46 | 2.39 | 4.38 | 1.31 | |||||||||||||
SKEW | -1.07 | -0.19 | 0.87 | 0.11 | -0.08 | 0.28 | -0.17 | 0.04 | -0.38 | 0.05 | -0.24 | -0.45 | 0.94 | |||||||||||||
MAX | 36.15 | 39.98 | 44.29 | 49.43 | 54.18 | 62.75 | 69.08 | 65.33 | 59.50 | 50.66 | 39.77 | 37.23 | 47.81 | |||||||||||||
MIN | 12.26 | 23.57 | 31.93 | 34.67 | 44.05 | 51.87 | 59.08 | 58.10 | 46.48 | 39.92 | 30.85 | 18.82 | 42.51 | |||||||||||||
YRS | 32 | 33 | 34 | 34 | 35 | 34 | 34 | 37 | 33 | 32 | 31 | 33 | 21 |