YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1930 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 42.53 | 32.48 | 37.51 | j | ||
1931 | 34.35 | ----- | z | 43.97 | 54.17 | 58.57 | a | 66.03 | 78.71 | 74.55 | 62.53 | 50.45 | 38.20 | 33.32 | c | 54.08 | a | |||||||||
1932 | 31.52 | 41.43 | a | 42.88 | g | 45.12 | d | 55.32 | 60.60 | 73.61 | 71.97 | 65.15 | c | 53.71 | 41.87 | 33.87 | a | 52.20 | a | |||||||
1933 | 32.72 | b | 33.89 | a | 43.40 | a | 46.40 | 51.97 | a | 61.30 | 74.87 | 73.16 | 68.20 | 57.58 | 40.34 | a | 35.28 | b | 51.59 | |||||||
1934 | 33.43 | a | 40.22 | a | 48.19 | 51.63 | 56.90 | 58.13 | 75.19 | 75.55 | 61.97 | 51.55 | 40.87 | 38.19 | 52.65 | |||||||||||
1935 | 37.23 | 42.89 | 40.68 | 49.00 | 53.42 | 63.13 | 71.35 | 74.77 | 67.07 | 50.16 | 36.23 | 35.87 | 51.82 | |||||||||||||
1936 | 34.00 | 40.03 | 44.35 | 49.40 | 56.61 | 64.90 | 74.53 | a | 75.84 | 62.77 | 50.94 | 41.93 | 35.26 | 52.55 | ||||||||||||
1937 | 27.34 | b | 36.57 | 40.84 | 46.27 | 55.23 | 63.60 | 75.84 | ----- | z | 71.53 | 52.00 | 40.87 | 41.55 | 50.15 | a | ||||||||||
1938 | 36.77 | a | 38.48 | a | 42.58 | 49.37 | 54.55 | 62.67 | 72.03 | 71.81 | 67.07 | 49.48 | 33.57 | b | 38.39 | 51.40 | ||||||||||
1939 | 34.87 | 33.11 | 40.84 | 49.27 | 55.03 | 60.33 | 72.00 | 76.10 | 67.17 | 49.23 | 44.17 | 39.20 | a | 51.78 | ||||||||||||
1940 | 39.29 | 38.90 | 43.42 | 49.83 | a | 57.97 | 66.40 | 68.71 | 73.81 | 66.69 | a | 55.87 | 38.93 | 42.32 | 53.51 | |||||||||||
1941 | 38.13 | 44.46 | 47.13 | 48.13 | 58.58 | 60.50 | 73.87 | 70.71 | 56.77 | 51.10 | 42.70 | 37.90 | a | 52.50 | ||||||||||||
1942 | 39.42 | 37.43 | 41.90 | 50.77 | 52.94 | 59.87 | 74.16 | 73.90 | 59.60 | 52.61 | 40.40 | 37.42 | 51.70 | |||||||||||||
1943 | 36.00 | 40.00 | 46.39 | 49.67 | 55.35 | 61.50 | 71.65 | 74.90 | 68.03 | 53.58 | 39.07 | 37.39 | 52.79 | |||||||||||||
1944 | 33.77 | 36.28 | 43.10 | j | 45.77 | 54.16 | 56.87 | 65.42 | 71.06 | 66.30 | 53.10 | 44.40 | 37.90 | 51.37 | a | |||||||||||
1945 | 35.63 | a | 39.00 | 43.10 | 48.47 | 56.13 | 59.40 | 73.87 | 75.81 | 67.87 | 58.30 | a | 40.17 | 35.10 | 52.74 | |||||||||||
1946 | 38.26 | 33.29 | 43.10 | 52.17 | 56.16 | 62.70 | 75.10 | 78.48 | 69.13 | 50.06 | 40.90 | 39.90 | 53.27 | |||||||||||||
1947 | 33.84 | 40.04 | 45.32 | 49.03 | 58.16 | 62.83 | 71.13 | 71.97 | 69.00 | 52.55 | 37.63 | 36.27 | a | 52.31 | ||||||||||||
1948 | 35.68 | 37.86 | a | 39.84 | 49.57 | 54.97 | 63.37 | 72.77 | 74.59 | d | 68.20 | 57.36 | f | 38.93 | 34.32 | 51.83 | a | |||||||||
1949 | 31.74 | 35.07 | a | 42.24 | b | 51.96 | b | 55.59 | d | 66.20 | e | 75.46 | r | 71.26 | 71.86 | b | 51.65 | 45.57 | 34.87 | a | 50.73 | a | ||||
1950 | 33.33 | a | 40.89 | 44.93 | a | 52.47 | 55.53 | a | 63.23 | 75.23 | e | 70.21 | b | 62.03 | 56.68 | 46.32 | b | 40.59 | b | 53.45 | ||||||
1951 | 35.94 | 38.14 | 42.35 | 50.87 | 56.45 | 60.83 | a | 74.69 | b | 73.16 | f | 67.13 | 54.81 | 44.03 | a | 37.58 | 51.17 | a | ||||||||
1952 | 34.00 | 38.48 | 42.71 | 51.90 | 60.13 | 62.03 | 73.77 | 77.23 | 69.83 | 58.71 | 42.67 | 38.68 | 54.18 | |||||||||||||
1953 | 41.16 | 37.21 | 44.03 | 50.43 | 52.97 | 62.07 | 78.40 | a | 73.77 | 63.63 | 53.26 | 45.70 | 33.97 | 53.05 | ||||||||||||
1954 | 35.19 | 44.00 | 41.60 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 40.26 | i | ||
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 | 36.24 | j | 43.33 | a | 42.10 | 48.50 | 60.03 | 65.77 | d | 68.81 | j | 76.15 | k | 66.11 | c | 58.76 | f | 43.86 | b | 40.84 | 51.32 | d | ||||
1959 | 39.61 | 38.81 | a | 46.77 | 54.60 | 58.39 | 68.28 | a | 80.50 | y | 75.37 | d | 66.21 | a | 55.29 | 45.97 | 41.13 | a | 53.68 | a | ||||||
1960 | 35.66 | b | 37.86 | 47.79 | b | 51.73 | 56.83 | a | 68.13 | 71.25 | s | 75.92 | g | 69.07 | a | 55.13 | a | 44.03 | 36.93 | a | 50.32 | b | ||||
1961 | 40.53 | a | 40.89 | 44.57 | a | 51.00 | a | 56.87 | 67.33 | 67.12 | w | 74.67 | g | 62.90 | 53.10 | b | 42.70 | 37.53 | a | 49.74 | b | |||||
1962 | 38.48 | d | 41.82 | 42.48 | b | 54.03 | 54.93 | a | 62.39 | b | 70.45 | 72.65 | 68.93 | 53.77 | 44.57 | 39.61 | 53.68 | |||||||||
1963 | 33.00 | a | 43.82 | 42.32 | 47.33 | 58.45 | 61.40 | 70.71 | 73.39 | 68.10 | 57.97 | 45.80 | 34.81 | 53.09 | ||||||||||||
1964 | 31.35 | 33.00 | 40.19 | 47.97 | 54.90 | 62.70 | 73.77 | 72.23 | 63.23 | 58.52 | 40.80 | 39.29 | 51.50 | |||||||||||||
1965 | 39.84 | 39.44 | a | 44.19 | 52.23 | 55.35 | 58.67 | 70.26 | 71.00 | 61.10 | 55.03 | 49.33 | 41.81 | 53.19 | ||||||||||||
1966 | 36.26 | 37.14 | 46.97 | 54.67 | 61.58 | 66.63 | 75.29 | 77.52 | 69.13 | 55.61 | 47.60 | 41.32 | 55.81 | |||||||||||||
1967 | 37.16 | 40.75 | 48.00 | 47.83 | 56.45 | 62.77 | 76.29 | 76.00 | 68.60 | 57.19 | 50.03 | a | 38.52 | 54.97 | ||||||||||||
1968 | 38.81 | 48.17 | 48.87 | 52.10 | 59.68 | 65.03 | 73.87 | 71.35 | 64.30 | 54.42 | 46.60 | 34.77 | a | 54.83 | ||||||||||||
1969 | 44.90 | 39.86 | 44.10 | 52.07 | 60.13 | 64.23 | 76.74 | 78.97 | 71.33 | 52.68 | 49.80 | 41.29 | 56.34 | |||||||||||||
1970 | 38.35 | 42.75 | 45.00 | a | 47.00 | 58.32 | 66.20 | 77.35 | 79.03 | a | 66.93 | 53.10 | 44.63 | 38.77 | 54.79 | |||||||||||
1971 | 37.29 | 39.46 | 43.58 | 48.47 | 54.55 | 63.37 | 73.52 | 75.84 | 66.27 | 52.00 | 42.37 | 36.84 | 52.80 | |||||||||||||
1972 | 34.39 | 41.17 | 48.77 | a | 50.50 | 58.00 | 66.10 | 74.55 | 71.67 | a | 65.17 | 58.29 | 43.33 | 39.39 | 54.28 | |||||||||||
1973 | 37.26 | 43.54 | 43.68 | 50.23 | 58.23 | 66.37 | 72.52 | 72.48 | 62.23 | 53.57 | a | 45.93 | b | 40.97 | 53.92 | |||||||||||
1974 | 41.35 | 39.77 | b | 47.71 | 51.30 | 58.03 | 69.10 | 74.23 | 70.68 | 71.23 | 58.84 | 46.67 | 37.10 | 55.50 | ||||||||||||
1975 | 37.39 | 38.39 | 44.32 | 47.03 | 54.68 | 63.07 | 74.39 | 70.77 | a | 69.53 | 54.26 | 44.33 | 39.55 | 53.14 | ||||||||||||
1976 | 38.45 | 45.00 | 44.94 | 48.80 | 59.29 | 65.47 | 74.26 | 70.61 | 67.77 | 57.39 | 47.60 | 38.45 | 54.84 | |||||||||||||
1977 | 39.32 | 39.82 | 41.97 | 51.10 | 55.87 | 67.33 | 75.16 | 75.90 | 68.60 | 60.06 | 48.30 | 45.32 | 55.73 | |||||||||||||
1978 | 43.32 | 43.46 | 50.77 | 51.50 | 58.81 | 68.57 | 75.32 | 72.77 | 68.63 | 61.48 | 46.87 | 38.03 | 56.63 | |||||||||||||
1979 | 38.87 | 39.50 | 46.87 | 51.87 | 60.42 | 67.13 | 72.32 | 70.90 | 70.53 | 57.97 | 43.03 | 39.84 | 54.94 | |||||||||||||
1980 | 44.39 | 47.21 | 47.26 | 50.97 | 57.19 | 66.27 | 76.10 | 73.97 | 66.93 | 56.39 | 45.30 | 43.58 | 56.30 | |||||||||||||
1981 | 44.65 | 42.50 | 46.62 | b | 53.13 | 58.74 | 69.44 | c | 76.77 | 76.00 | 70.37 | 53.00 | i | 45.13 | 41.71 | 56.82 | a | |||||||||
1982 | 38.03 | b | 46.68 | 46.87 | 53.53 | 58.52 | 62.37 | 72.90 | 75.39 | 68.37 | 52.35 | 46.47 | k | 40.45 | 55.95 | a | ||||||||||
1983 | 41.83 | a | 43.85 | a | 47.65 | 48.77 | 57.68 | 64.20 | 74.35 | 74.97 | 75.17 | 59.87 | 48.13 | 44.10 | 56.71 | |||||||||||
1984 | 42.80 | a | 42.07 | b | 47.48 | 50.17 | 61.61 | 66.33 | 76.42 | 74.84 | 71.67 | 55.06 | 43.53 | 43.55 | 56.30 | |||||||||||
1985 | 41.39 | 41.15 | a | 45.84 | 53.50 | 59.90 | 66.07 | 76.00 | 73.13 | 63.00 | 57.68 | 46.17 | 40.17 | a | 55.33 | |||||||||||
1986 | 45.21 | c | 44.52 | a | 49.68 | 52.93 | 59.13 | 67.53 | 73.77 | 78.06 | 63.83 | 54.55 | 47.93 | 40.03 | a | 56.43 | ||||||||||
1987 | 38.37 | d | 41.81 | b | 45.33 | a | 53.97 | 60.94 | 65.97 | 70.97 | 74.48 | 67.07 | 63.55 | 47.77 | 38.43 | c | 55.72 | |||||||||
1988 | 39.82 | c | 43.73 | c | 46.40 | a | 50.96 | g | 59.23 | 69.50 | r | 73.38 | o | 71.86 | j | 63.50 | l | 62.83 | m | 45.88 | n | 40.20 | p | 47.29 | h | |
1989 | 42.35 | h | 41.25 | 47.84 | 55.68 | b | 59.14 | b | 66.14 | a | 75.07 | d | 73.64 | c | 67.11 | b | 58.54 | c | 47.71 | i | 39.10 | j | 60.49 | c | ||
1990 | 38.33 | d | 37.59 | a | 46.77 | a | 53.96 | e | 57.60 | a | 66.33 | 77.38 | b | 74.71 | j | 68.74 | g | 57.81 | d | 46.50 | d | 36.66 | b | 51.89 | b | |
1991 | 38.58 | e | 44.59 | a | 44.04 | c | 50.85 | c | 55.21 | c | 62.96 | d | 70.76 | f | 72.68 | i | 70.33 | l | 61.43 | a | 49.91 | h | 42.71 | n | 51.10 | e |
1992 | 42.64 | c | 47.40 | d | 48.27 | e | 55.56 | e | 62.79 | c | 65.47 | o | 74.41 | b | ----- | z | ----- | z | ----- | z | ----- | z | 39.35 | h | 55.18 | f |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 37.57 | 40.51 | 44.89 | 50.64 | 57.24 | 64.07 | 73.96 | 73.98 | 66.83 | 55.10 | 43.75 | 38.52 | 53.95 | |||||||||||||
S.D. | 3.77 | 3.52 | 2.63 | 2.54 | 2.39 | 2.93 | 2.45 | 2.39 | 3.46 | 3.36 | 3.54 | 2.90 | 1.64 | |||||||||||||
SKEW | -0.04 | -0.06 | 0.06 | -0.07 | 0.03 | -0.29 | -0.85 | 0.29 | -0.45 | 0.31 | -0.51 | 0.06 | 0.16 | |||||||||||||
MAX | 45.21 | 48.17 | 50.77 | 55.68 | 62.79 | 69.44 | 78.71 | 79.03 | 75.17 | 63.55 | 50.03 | 45.32 | 56.71 | |||||||||||||
MIN | 27.34 | 33.00 | 39.84 | 45.12 | 51.97 | 56.87 | 65.42 | 70.21 | 56.77 | 49.23 | 33.57 | 32.48 | 51.40 | |||||||||||||
YRS | 57 | 58 | 57 | 57 | 58 | 56 | 51 | 49 | 54 | 53 | 54 | 55 | 40 |