YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | 26.27 | 24.90 | 25.58 | j | ||
1941 | 25.10 | 28.67 | d | 30.97 | 33.77 | 37.90 | 39.67 | 49.26 | 47.00 | 40.40 | 33.65 | 31.10 | 26.35 | 35.32 | ||||||||||||
1942 | 11.13 | 24.46 | 26.71 | 31.93 | 36.52 | 38.43 | 44.52 | 45.29 | 38.53 | 31.87 | 26.40 | 24.32 | 31.68 | |||||||||||||
1943 | 11.42 | 22.75 | 24.29 | 33.90 | a | 31.68 | 38.10 | 41.37 | a | 39.13 | 39.23 | 32.70 | a | 26.73 | 20.87 | 30.18 | ||||||||||
1944 | 19.65 | 20.79 | 22.61 | 27.67 | 31.68 | 37.43 | 41.52 | 38.19 | 37.97 | 33.16 | 23.67 | 18.40 | a | 29.39 | ||||||||||||
1945 | 23.03 | 21.79 | 23.87 | 26.53 | 34.52 | 33.37 | 39.55 | 40.03 | 34.00 | 30.23 | 23.23 | 17.58 | 28.98 | |||||||||||||
1946 | 20.39 | 22.25 | 24.32 | 28.70 | 35.13 | 37.40 | 43.13 | 44.45 | 37.77 | 30.23 | 24.43 | 26.23 | a | 31.20 | ||||||||||||
1947 | 18.74 | 24.39 | 29.39 | 32.70 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 34.87 | 28.80 | 26.65 | 27.93 | e | |||||||
1948 | 22.71 | 19.79 | 24.55 | 29.83 | 35.20 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 27.77 | q | 15.37 | d | 24.58 | f | ||||
1949 | 1.07 | a | 20.14 | 28.06 | 31.57 | 37.29 | 37.80 | 41.71 | 43.80 | k | 40.60 | ----- | z | ----- | z | ----- | z | 29.78 | d | |||||||
1950 | ----- | z | ----- | z | ----- | z | ----- | z | 34.00 | p | 43.73 | 46.84 | 48.65 | 42.43 | 36.74 | 31.43 | 29.61 | 39.92 | e | |||||||
1951 | 20.45 | 26.25 | 24.23 | 32.63 | 36.52 | 42.80 | 45.00 | 43.74 | 41.47 | 34.39 | 27.43 | 18.65 | 32.80 | |||||||||||||
1952 | 16.39 | 22.86 | 26.13 | 30.40 | 35.29 | 39.57 | 46.87 | 45.39 | 42.17 | 37.10 | 20.43 | 23.42 | 32.17 | |||||||||||||
1953 | 30.48 | 26.21 | 27.35 | 29.27 | 32.24 | b | 35.13 | 41.03 | 43.10 | 40.00 | 32.74 | 28.07 | 25.29 | 32.58 | ||||||||||||
1954 | 19.68 | 25.07 | 24.35 | n | 29.20 | 35.19 | 36.67 | 41.35 | 43.23 | 39.33 | 32.61 | 34.53 | 22.48 | 32.67 | a | |||||||||||
1955 | 22.03 | 23.39 | 23.84 | 29.03 | 34.13 | 43.07 | 44.23 | 43.43 | a | 43.30 | 35.35 | 24.33 | 23.00 | 32.43 | ||||||||||||
1956 | 21.77 | 16.85 | b | 26.13 | 32.03 | 40.13 | a | 39.27 | 48.17 | a | 47.10 | 42.53 | 34.55 | 27.83 | 24.71 | 33.42 | ||||||||||
1957 | 1.92 | g | 23.64 | 28.94 | 33.33 | 41.42 | 43.00 | 43.97 | 42.65 | 45.17 | 35.81 | 27.17 | a | 28.37 | a | 35.77 | a | |||||||||
1958 | 27.53 | a | 32.75 | 27.35 | 31.37 | 41.77 | 48.23 | 50.90 | 50.00 | 43.00 | 35.58 | 27.90 | 29.45 | 37.15 | ||||||||||||
1959 | 25.19 | 25.04 | a | 28.23 | 31.53 | 33.37 | a | 42.53 | 47.10 | 44.39 | h | 42.23 | 35.81 | 24.31 | d | 22.71 | 32.55 | a | ||||||||
1960 | 16.29 | 23.00 | 28.31 | b | 33.70 | 35.52 | 41.13 | 51.13 | a | 44.71 | 42.10 | 36.06 | 28.60 | 22.39 | 33.58 | |||||||||||
1961 | 26.45 | 32.08 | b | 32.74 | 34.97 | 40.97 | 50.30 | 53.87 | 57.74 | 43.90 | 37.42 | 27.60 | 26.32 | 38.70 | ||||||||||||
1962 | 23.52 | 27.89 | 29.10 | 37.83 | 37.45 | 44.37 | 50.94 | 50.19 | 48.70 | 39.87 | 33.69 | a | 30.19 | 37.81 | ||||||||||||
1963 | 18.42 | 31.96 | 30.97 | 34.23 | 42.32 | 45.23 | 47.32 | 53.07 | a | 51.77 | 40.65 | 33.77 | 25.26 | 37.91 | ||||||||||||
1964 | 28.42 | 28.55 | 29.23 | 32.03 | 37.48 | 44.73 | 52.29 | 48.74 | 44.93 | 39.52 | 29.24 | a | 22.03 | 36.43 | ||||||||||||
1965 | 26.87 | 29.86 | 30.10 | 36.27 | 38.39 | 46.40 | 53.97 | 53.65 | 44.67 | 42.48 | 35.50 | 26.81 | 38.75 | |||||||||||||
1966 | 27.43 | a | 28.46 | 31.16 | 35.47 | 40.84 | 44.40 | 49.77 | 51.97 | 48.70 | 39.39 | 33.50 | d | 30.36 | c | 38.45 | ||||||||||
1967 | 31.19 | 30.46 | 29.61 | 31.53 | 39.57 | a | 50.37 | 53.77 | 58.81 | 51.57 | 40.81 | 32.87 | 26.10 | 39.72 | ||||||||||||
1968 | 26.03 | 32.07 | a | 33.87 | 32.13 | 40.87 | 45.53 | 55.35 | 51.58 | 47.37 | 36.42 | 32.23 | 21.65 | 37.93 | ||||||||||||
1969 | 13.83 | a | 24.89 | 31.13 | 34.83 | 45.26 | 51.47 | 50.74 | 48.90 | 48.00 | 37.06 | 33.20 | 26.50 | a | 37.15 | |||||||||||
1970 | 24.70 | a | 30.92 | c | 30.13 | a | 29.23 | 34.52 | 46.77 | 47.65 | 45.39 | 38.03 | a | 32.13 | 29.50 | 22.43 | a | 34.28 | ||||||||
1971 | 26.06 | 26.00 | a | 26.20 | a | 29.63 | 38.00 | 38.10 | 47.40 | a | 49.58 | 38.03 | a | 31.90 | a | 27.87 | 23.67 | a | 33.54 | |||||||
1972 | 21.59 | b | 24.30 | b | 31.10 | 28.43 | b | 37.63 | a | 43.34 | a | 48.48 | 49.26 | 39.53 | 32.68 | 32.40 | 17.77 | a | 33.88 | |||||||
1973 | 20.26 | 27.41 | a | 28.94 | 30.59 | a | 36.17 | a | 42.20 | 46.68 | 42.94 | 43.00 | d | 32.54 | c | 28.23 | 29.90 | 34.07 | ||||||||
1974 | 15.65 | 28.29 | 29.71 | 32.43 | 33.90 | 43.73 | 45.11 | d | 47.57 | a | 44.26 | c | 33.58 | 32.93 | b | 28.40 | a | 34.63 | ||||||||
1975 | 25.03 | 23.42 | b | 28.26 | 28.97 | 35.03 | 40.43 | 50.58 | 44.71 | 41.17 | 37.10 | a | 28.85 | d | 27.35 | 34.24 | ||||||||||
1976 | 25.81 | 24.36 | a | 25.90 | 31.03 | 35.61 | 38.03 | a | 47.13 | a | 48.32 | ----- | z | ----- | z | ----- | z | ----- | z | 34.53 | d | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 21.60 | 25.74 | 28.04 | 31.68 | 37.04 | 42.14 | 47.31 | 47.14 | 42.60 | 35.36 | 28.94 | 24.44 | 34.58 | |||||||||||||
S.D. | 6.19 | 3.91 | 2.80 | 2.57 | 3.26 | 4.45 | 4.22 | 4.83 | 4.11 | 3.14 | 3.70 | 3.87 | 3.01 | |||||||||||||
SKEW | -1.15 | 0.04 | -0.10 | 0.25 | 0.46 | 0.23 | 0.02 | 0.44 | 0.46 | 0.42 | -0.14 | -0.45 | -0.03 | |||||||||||||
MAX | 31.19 | 32.75 | 33.87 | 37.83 | 45.26 | 51.47 | 55.35 | 58.81 | 51.77 | 42.48 | 35.50 | 30.36 | 39.72 | |||||||||||||
MIN | 1.07 | 16.85 | 22.61 | 26.53 | 31.68 | 33.37 | 39.55 | 38.19 | 34.00 | 30.23 | 20.43 | 15.37 | 28.98 | |||||||||||||
YRS | 34 | 35 | 34 | 35 | 34 | 34 | 34 | 32 | 33 | 33 | 34 | 35 | 28 |