YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | 49.35 | 51.86 | a | 54.57 | a | 57.93 | 66.56 | 62.87 | 55.41 | a | 50.88 | b | 45.16 | a | 40.11 | 53.47 | b | |||||
1942 | 35.62 | a | 40.00 | a | 43.16 | 50.00 | b | 53.37 | 56.83 | 64.89 | 64.11 | 57.97 | 50.89 | 41.07 | a | 40.08 | 49.83 | |||||||||
1943 | ----- | z | 39.59 | 40.94 | 50.23 | 51.29 | 56.78 | 61.44 | 59.73 | 58.30 | 49.19 | 41.81 | a | 34.52 | a | 49.44 | a | |||||||||
1944 | 37.24 | 38.00 | 40.77 | 47.00 | 52.44 | 56.78 | 61.72 | a | 60.62 | a | 57.72 | 50.76 | 40.38 | 33.82 | 48.10 | |||||||||||
1945 | 37.62 | a | 39.62 | 40.61 | 44.48 | 54.25 | a | 55.62 | 61.73 | 61.31 | 53.91 | a | 49.70 | a | 41.74 | a | 38.76 | 48.28 | ||||||||
1946 | 38.34 | b | 39.73 | 42.90 | a | 47.47 | 56.42 | a | 55.78 | 60.06 | e | 61.07 | a | 55.18 | b | 44.32 | 38.78 | a | 37.06 | 48.09 | ||||||
1947 | 31.29 | 39.62 | 44.37 | a | 48.57 | 55.92 | 58.19 | a | 61.72 | a | 61.19 | 58.36 | a | 52.03 | a | 43.20 | b | 41.02 | 49.62 | |||||||
1948 | 36.15 | a | 37.17 | ----- | z | ----- | z | ----- | z | 61.53 | 60.93 | a | 60.90 | 56.35 | 47.61 | 39.80 | 34.31 | 48.31 | c | |||||||
1949 | 26.53 | a | 35.43 | 42.95 | a | 48.93 | 56.82 | 58.02 | 60.55 | 62.21 | b | 58.97 | 44.73 | 46.60 | 36.47 | 48.18 | ||||||||||
1950 | 26.08 | 37.18 | 40.71 | 45.58 | 50.92 | 59.17 | a | 62.58 | 63.71 | 57.08 | 48.65 | 42.50 | 44.34 | 48.21 | ||||||||||||
1951 | 36.29 | 39.50 | 37.82 | 50.13 | 54.08 | 59.87 | 64.23 | 62.42 | 59.47 | 48.97 | 43.10 | 35.44 | 49.28 | |||||||||||||
1952 | 34.34 | 39.09 | 41.65 | 49.67 | 53.55 | 56.28 | 63.52 | 63.25 | a | 59.95 | 52.50 | 38.08 | 38.48 | 49.20 | ||||||||||||
1953 | 43.19 | 40.62 | 42.82 | a | 46.70 | 52.71 | 55.50 | 62.24 | 62.55 | 58.02 | 50.47 | 45.90 | 40.71 | 50.12 | ||||||||||||
1954 | 35.26 | 40.23 | 40.47 | 46.40 | 54.00 | 54.89 | b | 59.53 | 59.97 | 57.13 | 48.97 | 47.07 | 38.45 | 48.53 | ||||||||||||
1955 | 37.63 | 37.70 | 37.81 | 43.20 | 51.05 | 58.02 | 59.26 | 60.73 | 57.59 | a | 49.31 | 39.07 | 37.90 | 47.44 | ||||||||||||
1956 | 38.23 | 34.07 | 40.63 | a | 51.35 | 57.32 | 56.83 | 64.35 | 62.52 | 57.67 | 49.08 | 40.86 | a | 38.38 | a | 49.27 | ||||||||||
1957 | 31.03 | a | 38.21 | 43.56 | 50.21 | a | 57.19 | 59.63 | 61.26 | 60.60 | 61.98 | 50.63 | 40.72 | 41.42 | 49.70 | |||||||||||
1958 | 41.56 | 47.59 | 42.77 | 48.47 | 59.55 | 63.14 | a | 67.63 | 65.34 | 58.18 | 50.95 | 42.78 | 43.22 | a | 52.60 | |||||||||||
1959 | 43.17 | g | 39.71 | 43.26 | 50.25 | 52.82 | 57.48 | a | 62.68 | 63.05 | 56.87 | 50.98 | 41.05 | a | 38.55 | 50.61 | a | |||||||||
1960 | 37.06 | 40.55 | 43.34 | 48.43 | 52.05 | 58.58 | 64.44 | 61.11 | 56.97 | 50.98 | 41.70 | 37.55 | 49.40 | |||||||||||||
1961 | 40.81 | 43.48 | 44.18 | 47.20 | 53.95 | 62.07 | 64.21 | 66.97 | 56.02 | 47.94 | 39.23 | 37.73 | 50.31 | |||||||||||||
1962 | 35.45 | 41.02 | 40.69 | 50.37 | 50.61 | 57.30 | 61.85 | 61.77 | 58.57 | 50.53 | 44.77 | 39.90 | 49.40 | |||||||||||||
1963 | 31.94 | 45.52 | 42.69 | 46.37 | 54.37 | 55.78 | c | 60.00 | 62.06 | 61.65 | 52.31 | 43.73 | 39.63 | 49.67 | ||||||||||||
1964 | 39.31 | 39.02 | 42.00 | 45.63 | 50.81 | 56.38 | 61.56 | 60.97 | 55.78 | 49.68 | 39.17 | a | 35.19 | 47.96 | ||||||||||||
1965 | 38.40 | 40.15 | a | 43.23 | 49.30 | 50.69 | 57.55 | 64.39 | 63.85 | 56.43 | 52.60 | 45.35 | 36.84 | 49.90 | ||||||||||||
1966 | 37.68 | 40.41 | 43.37 | 49.05 | 53.56 | 57.62 | 61.66 | 61.65 | 60.18 | 49.08 | 44.02 | 41.13 | 49.95 | |||||||||||||
1967 | 40.11 | 41.62 | 40.47 | b | 43.43 | 52.56 | 61.77 | 62.69 | 67.06 | 61.62 | 51.77 | 43.63 | 37.79 | 50.38 | ||||||||||||
1968 | 39.15 | 44.52 | 46.77 | 46.92 | 54.58 | a | 58.77 | 64.84 | 61.56 | 57.28 | 48.45 | 44.28 | 36.15 | 50.27 | ||||||||||||
1969 | 32.10 | 38.39 | 44.42 | 48.03 | 56.76 | 63.15 | 61.58 | 60.05 | 58.07 | 48.58 | 42.68 | 39.84 | 49.47 | |||||||||||||
1970 | 38.68 | 43.12 | 43.95 | 44.03 | 53.52 | 60.63 | 62.29 | 62.29 | 55.08 | 46.82 | 42.12 | 36.29 | 49.07 | |||||||||||||
1971 | 35.67 | a | 38.59 | 38.58 | 45.67 | 52.97 | 53.37 | 63.16 | 64.58 | 53.67 | 46.10 | 41.30 | 35.21 | 47.40 | ||||||||||||
1972 | 33.42 | 38.47 | 44.23 | 43.23 | 54.89 | 56.68 | 61.61 | 62.56 | 52.53 | 45.08 | 41.57 | 33.77 | 47.34 | |||||||||||||
1973 | 35.10 | 38.93 | 43.56 | 48.45 | 55.45 | 58.80 | 63.47 | 59.32 | 59.68 | 49.47 | a | 41.00 | 42.35 | 49.63 | ||||||||||||
1974 | 35.10 | 40.79 | 44.08 | 47.80 | 51.39 | 59.47 | 61.84 | 63.52 | a | 60.35 | 49.75 | a | 44.47 | 41.91 | c | 50.04 | ||||||||||
1975 | 38.25 | a | 40.80 | 41.35 | 43.52 | 53.08 | ----- | z | 63.68 | n | 59.92 | 58.52 | 49.53 | 42.15 | 40.08 | 46.72 | b | |||||||||
1976 | 39.53 | 39.00 | 41.48 | 47.34 | a | 54.08 | 55.82 | 62.19 | 60.68 | 59.52 | a | 49.55 | 43.40 | 38.69 | 49.27 | |||||||||||
1977 | 34.58 | 43.88 | 42.47 | 51.00 | 50.97 | a | 59.68 | 60.76 | 66.94 | 57.32 | 49.95 | 42.08 | 41.75 | a | 50.11 | |||||||||||
1978 | 42.32 | 44.54 | 47.76 | 48.83 | 52.58 | 61.88 | 63.45 | 62.94 | 57.95 | 52.58 | 38.20 | 34.71 | 50.65 | |||||||||||||
1979 | 31.98 | 39.87 | a | 47.48 | 48.62 | 54.65 | 58.08 | 64.24 | 62.60 | 61.58 | 53.03 | 42.78 | a | 43.84 | 50.73 | |||||||||||
1980 | 34.50 | 43.29 | a | 43.95 | 51.02 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 43.19 | h | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 36.15 | 40.23 | 42.73 | 47.81 | 53.73 | 58.20 | 62.56 | 62.32 | 57.82 | 49.60 | 42.24 | 38.55 | 49.34 | |||||||||||||
S.D. | 3.85 | 2.70 | 2.47 | 2.42 | 2.14 | 2.34 | 1.85 | 1.95 | 2.21 | 2.13 | 2.26 | 2.84 | 1.12 | |||||||||||||
SKEW | -0.66 | 0.52 | 0.40 | -0.41 | 0.55 | 0.43 | 0.57 | 0.88 | -0.15 | -0.71 | 0.11 | 0.10 | 0.25 | |||||||||||||
MAX | 43.19 | 47.59 | 49.35 | 51.86 | 59.55 | 63.15 | 67.63 | 67.06 | 61.98 | 53.03 | 47.07 | 44.34 | 52.60 | |||||||||||||
MIN | 26.08 | 34.07 | 37.81 | 43.20 | 50.61 | 53.37 | 59.26 | 59.32 | 52.53 | 44.32 | 38.08 | 33.77 | 47.34 | |||||||||||||
YRS | 37 | 39 | 39 | 39 | 38 | 38 | 38 | 39 | 39 | 39 | 39 | 39 | 34 |