YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | 32.68 | l | ----- | z |
1931 | ----- | z | 31.35 | b | 36.43 | a | 38.30 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 35.36 | i | |
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 | 32.00 | x | 27.70 | 36.58 | 32.14 | j | ||
1937 | 22.23 | 32.25 | 36.35 | 36.30 | 40.03 | a | 46.40 | 46.03 | 43.61 | 43.60 | 41.29 | 40.43 | 36.13 | 38.72 | ||||||||||||
1938 | 33.10 | 32.64 | 34.71 | 38.03 | 39.06 | 42.40 | 44.00 | 39.35 | ----- | z | ----- | z | ----- | z | ----- | z | 37.91 | d | ||||||||
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 | 46.81 | 48.61 | 43.82 | b | 40.16 | 36.23 | 30.29 | 40.99 | f | |||||
1949 | 21.55 | 31.75 | 36.55 | 38.67 | 43.94 | 43.43 | 45.61 | 48.26 | 47.23 | 37.23 | 39.93 | 33.77 | 38.99 | |||||||||||||
1950 | 25.90 | 32.29 | 35.55 | 35.67 | 37.77 | 46.63 | 46.97 | 47.10 | 44.90 | 43.29 | 39.23 | 41.94 | 39.77 | |||||||||||||
1951 | 32.81 | 35.39 | 30.94 | 36.13 | 40.90 | 44.43 | 47.87 | 44.71 | 44.03 | 41.26 | 36.73 | 30.55 | 38.81 | |||||||||||||
1952 | 29.03 | 32.00 | 32.65 | 34.47 | 40.03 | b | 42.83 | 45.92 | g | 48.10 | 42.56 | c | 37.13 | 25.71 | b | 31.52 | f | 36.45 | b | |||||||
1953 | 38.07 | a | 32.86 | 32.00 | e | 33.82 | b | 38.27 | e | 40.74 | k | 41.19 | 46.45 | 40.37 | c | 38.03 | a | 37.83 | 33.68 | 37.51 | a | |||||
1954 | 30.90 | 31.19 | a | 27.17 | b | 32.38 | a | 35.63 | a | 40.25 | j | 40.56 | d | 42.36 | f | 40.00 | a | 34.27 | e | 35.79 | k | 28.61 | m | 34.01 | d | |
1955 | ----- | z | 24.92 | o | 28.93 | b | 30.70 | 33.13 | 37.03 | 37.74 | 43.17 | a | 40.03 | 39.29 | 33.72 | a | 29.52 | f | 35.97 | c | ||||||
1956 | 31.61 | 25.59 | 29.71 | 31.70 | 35.25 | c | 40.50 | r | ----- | z | ----- | z | 36.86 | h | 34.87 | h | ----- | z | 31.23 | 30.85 | f | |||||
1957 | 24.00 | a | 32.41 | a | 36.23 | e | 35.28 | a | 42.09 | t | 44.40 | 42.60 | p | ----- | z | 42.33 | 41.68 | 32.20 | 35.27 | a | 35.98 | c | ||||
1958 | 35.68 | 40.21 | 31.97 | 37.67 | 43.26 | 49.50 | 50.74 | 47.39 | 45.10 | 39.42 | 37.60 | 39.10 | 41.47 | |||||||||||||
1959 | 36.16 | 33.57 | 34.84 | 37.10 | 38.90 | 46.40 | 46.84 | 44.00 | 44.73 | 41.94 | 34.10 | 32.90 | 39.29 | |||||||||||||
1960 | 30.84 | 33.61 | a | 35.71 | 37.33 | 40.03 | 44.07 | a | 45.21 | c | 47.16 | 44.73 | 41.32 | 36.07 | 32.35 | 39.04 | ||||||||||
1961 | 35.06 | 38.00 | 36.03 | 36.77 | 41.82 | c | 46.03 | a | 48.13 | 49.73 | a | 41.43 | 39.65 | 32.23 | 34.55 | 39.95 | ||||||||||
1962 | 30.35 | 33.64 | 33.42 | 37.39 | b | 38.97 | 42.63 | 45.00 | 47.06 | 46.70 | 41.19 | 38.60 | 34.32 | 39.11 | ||||||||||||
1963 | 26.13 | a | 40.00 | a | 33.39 | 36.53 | 39.52 | 43.53 | 45.58 | 48.38 | b | 47.50 | 43.19 | 38.62 | a | 34.23 | 39.72 | |||||||||
1964 | 35.55 | 30.83 | 32.84 | 34.80 | 38.65 | 44.77 | 47.65 | 47.26 | 43.40 | 40.16 | 34.33 | 33.57 | a | 38.65 | ||||||||||||
1965 | 33.10 | 34.21 | 31.71 | 37.77 | 37.48 | 38.40 | 46.55 | 49.19 | 42.90 | 41.81 | 40.30 | 30.77 | a | 38.68 | ||||||||||||
1966 | 33.61 | 33.18 | 33.68 | 37.10 | 38.03 | 43.93 | 46.97 | 45.61 | 43.93 | 39.77 | 38.27 | 37.58 | 39.31 | |||||||||||||
1967 | 36.35 | 32.18 | 32.65 | 32.40 | 38.65 | 46.75 | b | 46.47 | a | 48.45 | 45.97 | 42.61 | 37.17 | 33.58 | 39.43 | |||||||||||
1968 | 32.94 | 35.83 | 36.19 | 34.47 | 40.42 | 45.74 | g | 48.23 | 49.38 | e | 45.07 | a | 39.52 | 37.37 | 31.50 | a | 39.17 | a | ||||||||
1969 | 28.61 | 31.00 | 30.94 | 36.03 | 42.39 | 49.93 | a | 46.20 | a | 44.00 | m | 45.62 | a | 38.90 | 34.33 | 35.29 | 38.11 | a | ||||||||
1970 | 34.84 | 33.11 | 33.68 | 34.00 | 37.84 | 45.07 | b | 46.18 | n | 46.84 | 41.10 | 38.65 | 36.30 | 31.80 | a | 37.57 | a | |||||||||
1971 | 31.97 | 32.54 | 30.97 | 34.69 | a | 40.77 | 43.20 | 49.11 | d | 50.60 | a | 44.37 | 38.23 | 35.93 | 32.06 | 38.70 | ||||||||||
1972 | 30.00 | 33.86 | 37.52 | 33.80 | 41.80 | a | 42.75 | f | 49.42 | 47.89 | c | 43.03 | 38.06 | 38.77 | 28.16 | 38.39 | a | |||||||||
1973 | 31.23 | 33.25 | 34.13 | 35.48 | c | 40.97 | 44.33 | 46.83 | m | 44.04 | f | 46.30 | 41.00 | 36.15 | c | 37.58 | 38.04 | b | ||||||||
1974 | 29.61 | 32.93 | 34.94 | 38.30 | 39.29 | 45.30 | 47.39 | 47.90 | 45.17 | 36.87 | 37.63 | 36.16 | 39.29 | |||||||||||||
1975 | 34.84 | 33.46 | 33.29 | 32.97 | 39.23 | 43.60 | 47.87 | 46.59 | b | 43.70 | 41.26 | 35.13 | 34.39 | 38.86 | ||||||||||||
1976 | 33.19 | 31.52 | 32.35 | 35.03 | 39.65 | 42.47 | 46.26 | 48.71 | 46.83 | 39.77 | 36.53 | 31.97 | 38.69 | |||||||||||||
1977 | 29.61 | 34.82 | 33.27 | a | 36.40 | 38.81 | 45.14 | a | 45.57 | a | 52.74 | 45.69 | d | 40.61 | 36.33 | 37.10 | a | 39.67 | ||||||||
1978 | 37.00 | 37.71 | 36.65 | 37.48 | a | 40.10 | 47.73 | 49.00 | 49.94 | 47.27 | 40.29 | 31.67 | 27.68 | 40.21 | ||||||||||||
1979 | 25.13 | 33.54 | 36.90 | 38.40 | 41.19 | 42.55 | a | 48.45 | 48.57 | a | 47.57 | 44.10 | a | 35.13 | 37.77 | 39.94 | ||||||||||
1980 | 28.30 | a | 36.14 | 34.73 | a | 37.53 | 39.81 | 43.63 | 48.19 | 44.94 | 46.10 | 39.42 | 38.77 | 34.77 | 39.36 | |||||||||||
1981 | 33.63 | a | 33.11 | 33.84 | 37.33 | 40.97 | 44.70 | 47.42 | 49.16 | 45.57 | 39.29 | 37.22 | c | 35.61 | 39.82 | |||||||||||
1982 | 30.58 | 32.86 | 33.58 | 32.87 | 39.26 | 47.21 | a | 48.19 | 48.77 | a | 46.33 | 41.48 | 33.61 | b | 31.23 | 38.83 | ||||||||||
1983 | 36.84 | 37.54 | 38.63 | a | 35.83 | 41.97 | 47.83 | r | 51.23 | e | 50.57 | c | 43.18 | b | 37.13 | a | 39.20 | 28.06 | 40.02 | a | ||||||
1984 | 31.53 | a | 34.24 | 36.69 | b | 36.30 | 39.58 | 43.27 | 46.46 | g | 46.81 | 45.21 | a | 40.45 | 37.86 | a | 30.26 | 38.38 | a | |||||||
1985 | 27.55 | 29.82 | 31.23 | 38.03 | 39.97 | a | 43.83 | 47.47 | a | 47.67 | a | 43.83 | 39.39 | 29.11 | b | 25.93 | a | 36.99 | ||||||||
1986 | 35.31 | e | 36.33 | a | 37.96 | c | 35.59 | a | 41.45 | 47.43 | 47.26 | 48.13 | 44.30 | 40.75 | s | ----- | z | ----- | z | 41.53 | c | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 31.40 | 33.57 | 33.93 | 35.78 | 39.61 | 44.50 | 46.66 | 47.47 | 44.40 | 39.98 | 35.90 | 33.51 | 39.25 | |||||||||||||
S.D. | 4.12 | 2.71 | 2.56 | 2.03 | 2.09 | 2.59 | 2.65 | 2.44 | 2.04 | 2.01 | 3.36 | 3.40 | 0.80 | |||||||||||||
SKEW | -0.61 | 0.24 | -0.40 | -0.64 | -0.71 | -0.50 | -1.44 | -0.99 | -0.49 | -0.39 | -1.22 | 0.01 | 0.01 | |||||||||||||
MAX | 38.07 | 40.21 | 38.63 | 38.67 | 43.94 | 49.93 | 51.23 | 52.74 | 47.57 | 44.10 | 40.43 | 41.94 | 41.47 | |||||||||||||
MIN | 21.55 | 25.59 | 27.17 | 30.70 | 33.13 | 37.03 | 37.74 | 39.35 | 40.00 | 34.27 | 25.71 | 25.93 | 36.99 | |||||||||||||
YRS | 39 | 40 | 41 | 41 | 39 | 34 | 35 | 36 | 39 | 38 | 38 | 37 | 25 |