YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | 78.03 | 69.40 | d | 64.10 | a | 42.77 | 43.31 | 59.52 | g | |||
1939 | 35.65 | ----- | z | 49.43 | a | 58.47 | a | 77.20 | a | 84.09 | c | 79.34 | 78.85 | 77.60 | 58.60 | 50.40 | a | 40.52 | 62.74 | a | ||||||
1940 | 36.89 | 41.73 | a | 51.77 | 58.97 | 68.34 | 76.18 | 80.44 | f | 76.47 | 74.18 | m | 60.32 | 41.47 | 44.19 | 55.63 | b | |||||||||
1941 | 42.26 | 46.95 | 50.34 | 51.57 | 65.63 | 74.07 | 76.50 | 76.60 | 71.13 | 60.40 | 50.13 | 40.06 | g | 60.51 | a | |||||||||||
1942 | 42.73 | ----- | z | 46.56 | 60.27 | 66.35 | 76.93 | 79.85 | 77.76 | 73.35 | 60.06 | ----- | z | ----- | z | 64.87 | c | |||||||||
1943 | ----- | z | 52.54 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 52.54 | k |
1944 | ----- | z | ----- | z | ----- | z | ----- | z | 65.27 | e | 72.97 | a | 78.84 | 78.69 | 69.22 | 62.90 | 47.05 | a | 40.71 | 64.46 | d | |||||
1945 | 39.61 | m | 45.61 | 49.00 | o | 54.41 | m | 65.18 | 69.43 | 79.48 | 78.26 | 71.18 | 57.53 | 49.98 | 40.19 | 61.87 | c | |||||||||
1946 | 38.06 | 41.52 | 49.90 | 61.28 | 64.11 | 76.16 | a | 78.95 | 78.02 | 72.57 | a | 59.52 | a | 45.03 | a | 43.85 | 59.08 | |||||||||
1947 | 35.91 | b | 45.27 | 49.39 | 55.85 | 68.84 | 72.62 | 80.60 | 77.37 | 71.98 | 62.80 | a | 44.60 | a | 38.06 | 58.61 | ||||||||||
1948 | 37.24 | 42.96 | a | 46.53 | 60.13 | 66.52 | f | 77.17 | c | 80.35 | 79.56 | 73.03 | 60.92 | 43.45 | 43.27 | 58.60 | a | |||||||||
1949 | 34.03 | 42.66 | 50.87 | 57.38 | a | 66.23 | a | 74.71 | b | 78.98 | 76.14 | c | 71.14 | h | 57.95 | b | 52.70 | c | 40.75 | c | 57.49 | a | ||||
1950 | 41.42 | e | 44.25 | b | 47.66 | c | 54.98 | a | ----- | z | 71.28 | g | 77.23 | a | ----- | z | ----- | z | 64.82 | 50.78 | e | 48.32 | c | 53.68 | d | |
1951 | ----- | z | 43.67 | a | 49.54 | c | 56.83 | a | 64.02 | 72.36 | b | 82.28 | b | 79.23 | 73.14 | b | 62.12 | a | 48.62 | 42.54 | r | 63.18 | b | |||
1952 | 44.15 | h | 42.97 | 45.86 | f | 57.15 | 67.08 | 77.00 | 78.77 | a | 78.66 | 71.47 | 61.63 | 45.32 | b | 39.34 | b | 61.94 | b | |||||||
1953 | 45.24 | 43.02 | 51.79 | c | 58.93 | a | 62.00 | 77.25 | 79.97 | b | 77.68 | 72.08 | d | 60.06 | e | 49.65 | 35.84 | b | 59.46 | |||||||
1954 | 42.64 | f | 49.06 | a | 48.78 | d | 62.77 | 68.45 | a | 75.19 | c | 80.71 | c | 76.64 | b | 73.66 | e | 63.35 | d | 51.47 | a | 41.83 | h | 65.01 | b | |
1955 | 38.93 | c | 41.85 | d | 50.60 | e | 57.12 | b | 64.61 | c | 73.52 | b | 78.27 | i | 75.71 | n | 71.07 | 62.10 | a | 48.91 | b | 44.58 | f | 56.52 | c | |
1956 | 44.48 | a | 39.44 | b | 49.30 | h | 56.09 | b | 67.50 | c | 79.83 | 78.55 | 75.84 | f | 72.62 | 62.48 | d | 45.40 | d | 39.86 | j | 60.71 | c | |||
1957 | 45.20 | a | 53.02 | b | 50.90 | g | 56.73 | 63.52 | e | 76.83 | 81.86 | b | 76.21 | c | 68.59 | b | 59.12 | g | 42.73 | h | 42.24 | d | 62.69 | c | ||
1958 | 39.00 | a | 47.04 | a | 47.57 | d | 57.59 | b | 67.36 | c | ----- | z | 81.11 | 78.17 | j | 70.90 | a | 59.60 | b | 49.03 | a | 43.76 | b | 56.30 | b | |
1959 | 42.86 | c | 43.46 | c | 49.25 | g | 59.65 | 65.87 | 76.58 | k | 79.16 | b | 77.06 | 68.84 | b | 60.28 | a | 47.88 | j | 41.62 | a | 59.87 | c | |||
1960 | 37.69 | b | 41.35 | i | 52.98 | a | 57.93 | 65.57 | a | 79.31 | a | 78.37 | a | 80.50 | s | 73.09 | a | 59.60 | b | 49.48 | b | 35.14 | c | 58.92 | b | |
1961 | 40.82 | a | 44.75 | 50.73 | 58.02 | a | 66.73 | a | 76.00 | a | 79.80 | f | 77.98 | 69.48 | a | 58.89 | d | 45.22 | a | 43.00 | b | 57.42 | a | |||
1962 | 37.55 | c | 47.46 | a | 45.29 | 60.77 | d | 65.23 | 72.68 | b | 76.00 | 77.42 | 71.43 | b | 61.28 | b | 51.93 | 43.58 | a | 59.22 | ||||||
1963 | 37.38 | b | 46.39 | a | 49.50 | c | 57.34 | a | 68.32 | c | 74.24 | a | 81.61 | 75.75 | e | 72.31 | a | 62.82 | 49.08 | 39.84 | b | 59.55 | ||||
1964 | 35.02 | c | 36.66 | d | 47.43 | c | 55.05 | b | 66.61 | 74.02 | 80.21 | 77.97 | b | 69.91 | b | 59.70 | d | 46.43 | b | 40.50 | a | 57.46 | ||||
1965 | 43.98 | a | 42.48 | a | 47.08 | 57.52 | d | 65.27 | a | 72.17 | 80.66 | 77.06 | 70.33 | 60.16 | 53.38 | 42.52 | 59.38 | |||||||||
1966 | 37.08 | 38.60 | c | 50.32 | 59.18 | 67.98 | 73.50 | 81.00 | 75.61 | 69.24 | a | 58.39 | 51.50 | 39.53 | 58.50 | |||||||||||
1967 | 39.92 | a | 45.73 | 53.76 | 58.85 | 64.47 | 74.00 | 80.24 | 75.15 | 69.33 | 60.02 | 50.30 | 37.69 | 59.12 | ||||||||||||
1968 | 40.48 | 47.81 | 49.00 | 54.85 | 64.84 | 75.33 | 76.21 | 73.44 | 68.00 | 61.00 | 47.62 | 38.08 | 58.05 | |||||||||||||
1969 | 44.95 | a | 43.52 | 45.08 | 58.45 | 66.15 | 74.08 | 79.40 | 81.32 | 71.83 | 59.16 | 47.60 | 42.56 | 59.51 | ||||||||||||
1970 | 39.29 | 44.93 | 47.60 | 54.12 | 65.47 | 74.83 | 79.77 | 77.58 | 70.10 | 55.50 | a | 47.87 | 42.60 | 58.30 | ||||||||||||
1971 | 41.79 | 43.46 | 51.42 | 55.97 | 63.95 | 74.40 | 81.11 | 75.53 | 71.58 | 57.81 | 49.00 | 41.11 | 58.93 | |||||||||||||
1972 | 41.87 | 45.66 | 56.81 | 58.55 | 65.44 | 74.87 | 79.56 | 74.76 | 68.84 | a | 61.68 | 43.68 | 41.13 | a | 59.40 | |||||||||||
1973 | 37.24 | 42.25 | 46.55 | 51.38 | 64.35 | 72.43 | a | 76.44 | 74.76 | 70.30 | 59.39 | 48.57 | a | 41.23 | a | 57.07 | ||||||||||
1974 | 41.03 | 40.89 | 53.73 | 58.35 | 68.15 | 78.30 | 76.92 | 73.05 | b | 68.17 | 59.42 | 46.70 | 37.08 | 58.48 | ||||||||||||
1975 | 39.32 | 42.71 | 49.45 | b | 51.90 | 61.95 | a | 73.82 | 77.10 | 76.90 | 68.17 | 58.58 | 47.02 | 40.50 | a | 57.28 | ||||||||||
1976 | 39.37 | 47.64 | 50.13 | a | 57.31 | a | 64.70 | c | 74.45 | 75.91 | c | 76.53 | 68.84 | a | 54.68 | 44.07 | c | 37.00 | 57.55 | |||||||
1977 | 39.53 | 44.39 | 44.85 | a | 57.23 | 63.39 | 75.75 | 78.61 | 78.02 | 71.85 | 63.98 | 51.48 | 46.02 | 59.59 | ||||||||||||
1978 | 39.45 | a | 41.05 | 47.62 | b | 59.15 | 65.37 | 77.71 | b | 79.98 | b | 75.03 | 68.57 | 59.77 | 50.27 | 36.21 | 58.35 | |||||||||
1979 | 37.87 | e | 41.93 | a | 47.68 | a | 56.23 | 63.29 | 73.33 | 79.38 | c | 74.92 | 71.55 | a | 63.48 | d | ----- | z | 42.47 | n | 60.97 | b | ||||
1980 | 42.85 | 44.45 | a | 47.24 | l | 52.90 | 62.58 | k | 80.52 | i | 82.30 | c | 77.02 | 71.46 | d | 57.94 | 48.45 | j | 42.54 | d | 58.93 | d | ||||
1981 | 42.70 | f | 43.86 | 48.82 | 59.30 | 65.87 | d | 78.02 | f | 79.44 | d | 75.30 | c | 70.98 | d | 60.56 | e | 51.83 | g | 46.52 | e | 61.18 | c | |||
1982 | 39.50 | a | 44.93 | 51.08 | k | 57.98 | 64.28 | d | 73.50 | c | ----- | z | 79.76 | h | 71.25 | 59.84 | c | 47.91 | h | 40.03 | n | 58.75 | e | |||
1983 | 40.74 | d | 44.89 | 49.10 | b | 52.19 | a | 63.81 | d | 72.83 | c | 79.14 | c | 78.96 | g | 74.77 | f | 62.91 | c | 51.58 | f | 41.12 | n | 58.20 | d | |
1984 | 40.76 | 43.13 | b | 51.05 | b | 57.52 | 69.37 | d | 75.39 | c | 78.00 | e | 75.64 | b | 69.56 | d | 56.93 | h | 46.03 | o | 39.67 | m | 62.27 | c | ||
1985 | 38.61 | c | 42.40 | d | 49.52 | c | 57.31 | f | 67.13 | l | 74.68 | b | 78.33 | h | 76.75 | m | 68.58 | j | 57.87 | d | 48.96 | e | 42.39 | m | 52.00 | f |
1986 | 41.79 | e | 47.24 | a | 52.08 | a | 61.08 | d | 67.41 | b | 74.36 | a | 75.54 | f | 78.10 | p | 68.36 | i | 58.10 | b | 47.11 | g | 38.47 | n | 57.44 | e |
1987 | 38.40 | f | 42.93 | 46.59 | d | 53.72 | c | 63.13 | e | 73.38 | r | 75.33 | s | 75.62 | w | 68.34 | e | 63.92 | g | 48.85 | j | 35.83 | m | 54.94 | g | |
1988 | 37.61 | d | 45.26 | 51.61 | i | 56.87 | d | 66.40 | e | 73.98 | d | 78.13 | d | ----- | z | 67.20 | b | ----- | z | 50.30 | 39.92 | f | 59.47 | d | ||
1989 | 39.46 | f | 44.34 | 57.59 | b | 62.86 | b | 68.05 | 75.78 | j | 79.77 | r | 74.86 | m | 72.15 | t | 61.80 | c | 50.57 | 42.14 | j | 57.53 | f | |||
1990 | 40.40 | 41.57 | a | 48.72 | m | 58.88 | 67.25 | a | 81.33 | a | 77.05 | i | 72.57 | b | 69.26 | i | 59.52 | 48.78 | e | ----- | z | 58.79 | d | |||
1991 | 39.70 | a | 45.30 | 47.65 | d | 56.39 | b | 64.86 | f | ----- | z | 75.29 | 75.48 | f | 67.21 | b | 61.22 | a | 47.28 | a | 43.73 | i | 55.01 | d | ||
1992 | 38.10 | 42.98 | 49.54 | g | 56.83 | i | 65.24 | n | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 40.54 | j | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 39.81 | 44.17 | 49.53 | 57.34 | 65.96 | 75.17 | 79.15 | 76.76 | 70.68 | 60.34 | 48.19 | 41.12 | 58.65 | |||||||||||||
S.D. | 2.73 | 2.98 | 2.80 | 2.67 | 2.46 | 2.63 | 1.78 | 1.81 | 2.03 | 2.15 | 2.84 | 3.02 | 0.81 | |||||||||||||
SKEW | 0.19 | 0.58 | 0.81 | -0.37 | 1.93 | 1.10 | -0.35 | -0.14 | 0.68 | -0.15 | -0.44 | 0.05 | -0.56 | |||||||||||||
MAX | 45.24 | 53.02 | 57.59 | 62.86 | 77.20 | 84.09 | 82.30 | 81.32 | 77.60 | 64.82 | 53.38 | 48.32 | 59.59 | |||||||||||||
MIN | 34.03 | 36.66 | 44.85 | 51.38 | 61.95 | 69.43 | 75.29 | 72.57 | 67.20 | 54.68 | 41.47 | 35.14 | 57.07 | |||||||||||||
YRS | 45 | 50 | 42 | 49 | 47 | 44 | 43 | 40 | 45 | 49 | 42 | 36 | 20 |