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 | 34.37 | 33.11 | 33.74 | j | ||
1941 | 31.05 | 36.73 | d | 44.19 | 47.41 | a | 51.65 | 56.75 | b | 69.00 | a | 64.53 | a | 54.65 | 46.90 | a | 41.60 | 34.48 | a | 48.25 | ||||||
1942 | 19.42 | 32.54 | a | 38.77 | 46.62 | a | 49.47 | 53.95 | a | 64.03 | a | 65.37 | 59.78 | 49.50 | a | 34.68 | 33.40 | 45.63 | ||||||||
1943 | 21.85 | 32.91 | a | 35.65 | 45.98 | b | 46.88 | a | 52.92 | 62.13 | a | 57.97 | 59.62 | a | 46.17 | a | 34.98 | 28.38 | a | 43.79 | ||||||
1944 | 28.06 | 30.64 | 36.53 | 42.40 | 48.74 | 54.19 | a | 62.12 | a | 59.15 | 58.20 | 50.55 | 33.84 | a | 25.48 | c | 44.16 | |||||||||
1945 | 30.45 | 30.81 | a | 32.20 | a | 38.63 | 49.66 | 52.82 | 62.39 | 61.89 | 53.40 | 44.75 | a | 30.85 | 24.76 | 42.72 | ||||||||||
1946 | 28.10 | 30.26 | a | 34.40 | 39.29 | a | 45.66 | 48.20 | 61.24 | 63.16 | 53.95 | 42.95 | 34.05 | 34.00 | a | 42.94 | ||||||||||
1947 | 28.84 | 36.52 | 42.39 | 47.67 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 45.97 | 37.90 | 34.27 | 39.08 | e | |||||||
1948 | 30.47 | 30.48 | a | 34.90 | 40.78 | 48.02 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 37.42 | q | 25.50 | e | 35.03 | f | |||
1949 | 14.30 | a | 29.34 | 36.92 | a | 47.12 | 53.29 | 56.00 | 60.95 | 62.20 | k | 58.15 | ----- | z | ----- | z | ----- | z | 44.51 | d | ||||||
1950 | ----- | z | ----- | z | ----- | z | ----- | z | 51.23 | p | 57.53 | 64.98 | 66.45 | 59.43 | 45.26 | 38.03 | 35.69 | 52.48 | e | |||||||
1951 | 27.48 | 33.59 | 34.15 | a | 46.63 | 51.35 | 59.45 | 64.44 | 63.03 | 58.93 | 45.77 | 35.83 | 26.85 | 45.63 | ||||||||||||
1952 | 25.24 | 32.96 | e | 37.18 | 46.07 | 52.06 | 55.10 | a | 65.58 | 63.79 | 60.33 | 53.47 | 31.02 | 30.61 | 46.12 | |||||||||||
1953 | 38.03 | 36.46 | 39.19 | 42.78 | 47.29 | b | 50.83 | 61.39 | 61.50 | a | 59.40 | 48.63 | 39.37 | 34.34 | 46.60 | |||||||||||
1954 | 29.55 | 34.54 | 34.88 | n | 43.20 | 51.52 | 51.87 | 59.90 | 59.60 | 55.57 | 45.18 | 42.47 | 30.53 | 45.81 | a | |||||||||||
1955 | 29.81 | 32.79 | 34.69 | 40.15 | 48.03 | 59.55 | 60.52 | 62.73 | a | 58.77 | 47.18 | 32.77 | 29.92 | 44.74 | ||||||||||||
1956 | 28.98 | 27.19 | b | 37.08 | 47.22 | 53.98 | a | 54.58 | 66.27 | a | 63.65 | 58.07 | 45.71 | 35.50 | a | 33.07 | a | 45.94 | ||||||||
1957 | 11.98 | g | 32.54 | 37.45 | 45.10 | 54.97 | a | 58.25 | 60.84 | 59.16 | 60.25 | 45.13 | 37.17 | a | 36.22 | a | 47.92 | a | ||||||||
1958 | 33.92 | a | 40.59 | 37.39 | 44.18 | 57.67 | a | 61.50 | 69.00 | 68.02 | 57.55 | 50.24 | 36.92 | 36.77 | 49.48 | |||||||||||
1959 | 33.11 | 32.74 | a | 39.24 | 45.63 | 47.67 | a | 56.95 | 65.74 | 61.67 | h | 55.10 | 49.76 | 37.56 | e | 30.71 | 44.93 | a | ||||||||
1960 | 23.87 | 32.93 | 39.63 | d | 45.78 | 48.29 | 58.02 | 69.30 | a | 62.34 | 59.28 | 50.50 | 38.27 | 29.18 | 46.45 | |||||||||||
1961 | 33.42 | 39.98 | b | 40.63 | 45.35 | 51.48 | 64.72 | 69.71 | 72.82 | 57.40 | 48.32 | 35.12 | 32.62 | a | 49.30 | |||||||||||
1962 | 31.29 | 34.66 | 37.68 | 49.67 | 48.08 | 58.60 | 66.79 | 64.00 | 62.05 | 49.32 | 41.41 | a | 36.31 | 48.32 | ||||||||||||
1963 | 27.18 | 41.09 | 40.73 | 43.30 | 53.44 | 58.27 | 61.95 | 67.35 | a | 64.57 | 51.11 | 40.67 | 30.58 | 48.35 | ||||||||||||
1964 | 34.47 | 38.38 | 38.90 | 43.87 | 50.76 | 57.40 | 66.76 | 63.24 | 58.58 | 50.61 | 34.98 | a | 29.24 | 47.27 | ||||||||||||
1965 | 32.74 | 38.50 | 40.37 | 47.72 | 51.68 | 60.67 | 68.90 | 67.02 | 57.73 | 54.52 | 41.13 | 33.11 | 49.51 | |||||||||||||
1966 | 33.20 | a | 35.54 | 40.73 | 47.92 | 54.95 | 58.40 | 64.47 | 67.37 | 61.95 | 50.79 | 39.90 | d | 36.21 | c | 49.29 | ||||||||||
1967 | 37.45 | 40.54 | 38.60 | 41.13 | 52.87 | a | 63.65 | 69.56 | 74.61 | 65.68 | 50.84 | 39.92 | 32.52 | a | 50.61 | |||||||||||
1968 | 33.19 | 38.84 | a | 43.47 | 44.47 | 53.13 | 60.13 | 70.40 | 63.42 | 59.67 | 47.05 | 39.13 | 27.89 | 48.40 | ||||||||||||
1969 | 21.03 | a | 30.88 | 40.31 | 45.32 | 57.60 | 64.30 | 66.21 | 64.16 | 60.38 | 47.23 | 41.40 | a | 31.78 | a | 47.55 | ||||||||||
1970 | 31.00 | a | 37.68 | c | 40.40 | a | 40.42 | 51.52 | 63.05 | 65.98 | 64.53 | 53.28 | a | 45.00 | a | 36.97 | 29.32 | a | 46.59 | |||||||
1971 | 34.23 | 34.85 | b | 35.42 | a | 41.88 | 51.60 | a | 52.88 | 67.27 | c | 67.84 | 53.53 | a | 44.92 | a | 37.47 | 31.00 | a | 46.07 | ||||||
1972 | 29.72 | b | 32.94 | b | 41.63 | 40.75 | b | 52.92 | a | 59.23 | b | 65.71 | 66.47 | 54.03 | 46.24 | 39.00 | 26.13 | a | 46.23 | |||||||
1973 | 27.76 | 34.85 | a | 39.68 | 44.78 | a | 51.83 | a | 58.42 | 65.60 | 61.47 | 58.15 | f | 45.61 | d | 34.55 | 36.13 | 45.52 | a | |||||||
1974 | 24.55 | 36.66 | 39.52 | 43.28 | 47.39 | 61.45 | 62.54 | d | 65.55 | a | 61.72 | e | 48.60 | 40.11 | b | 35.41 | b | 47.23 | ||||||||
1975 | 32.53 | 31.86 | c | 36.44 | 40.37 | 50.24 | 56.12 | 67.37 | 60.53 | 59.37 | 47.52 | a | 38.15 | d | 34.58 | 46.26 | ||||||||||
1976 | 34.10 | 33.00 | a | 36.63 | 42.57 | 50.97 | 54.34 | a | 63.63 | a | 62.52 | ----- | z | ----- | z | ----- | z | ----- | z | 47.22 | d | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 29.42 | 34.48 | 38.33 | 44.16 | 51.08 | 57.36 | 65.08 | 64.23 | 58.45 | 47.92 | 37.27 | 31.72 | 46.79 | |||||||||||||
S.D. | 5.11 | 3.50 | 2.76 | 2.83 | 2.92 | 3.93 | 3.06 | 3.63 | 3.10 | 2.73 | 3.05 | 3.49 | 2.05 | |||||||||||||
SKEW | -0.92 | 0.22 | -0.01 | -0.17 | 0.31 | -0.11 | 0.02 | 0.84 | 0.09 | 0.47 | -0.25 | -0.38 | -0.19 | |||||||||||||
MAX | 38.03 | 41.09 | 44.19 | 49.67 | 57.67 | 64.72 | 70.40 | 74.61 | 65.68 | 54.52 | 42.47 | 36.77 | 50.61 | |||||||||||||
MIN | 14.30 | 27.19 | 32.20 | 38.63 | 45.66 | 48.20 | 59.90 | 57.97 | 53.28 | 42.95 | 30.85 | 24.76 | 42.72 | |||||||||||||
YRS | 34 | 35 | 34 | 35 | 34 | 34 | 34 | 32 | 32 | 33 | 34 | 35 | 27 |