YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1933 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 69.39 | 60.40 | 56.74 | 48.70 | 45.90 | 56.23 | g | |||||
1934 | 47.71 | 50.21 | 53.32 | 58.57 | 60.58 | 62.73 | 63.68 | 66.45 | 61.87 | 57.32 | 50.33 | 46.32 | 56.59 | |||||||||||||
1935 | 43.29 | 46.96 | 46.03 | 53.10 | 57.45 | 62.00 | 64.97 | 65.80 | a | 62.53 | 53.43 | a | 46.52 | a | 46.29 | 54.03 | ||||||||||
1936 | 43.65 | 38.14 | 45.63 | a | 54.10 | a | 59.45 | 63.69 | a | 65.97 | 67.70 | a | 61.27 | 57.65 | 48.74 | c | 46.61 | 54.38 | ||||||||
1937 | 35.10 | 41.96 | 50.62 | b | 51.50 | 58.28 | b | 63.50 | 64.48 | 64.97 | a | 62.44 | c | 58.34 | b | 49.40 | 46.93 | a | 53.96 | |||||||
1938 | 44.67 | a | 44.68 | 48.67 | a | 53.43 | 58.39 | 62.48 | c | 66.68 | 63.32 | 63.90 | 56.28 | b | 47.77 | 47.71 | g | 55.48 | a | |||||||
1939 | 46.54 | e | 44.29 | d | 48.46 | c | 54.46 | b | 59.03 | a | 59.34 | a | 65.00 | b | 68.73 | a | 64.00 | b | 54.90 | b | 52.52 | c | 50.07 | c | 55.61 | |
1940 | 47.30 | d | 48.54 | a | 51.32 | 55.89 | b | 62.30 | a | 65.24 | a | 64.84 | 68.35 | 64.89 | b | 58.44 | f | 47.50 | d | 47.64 | c | 56.71 | a | |||
1941 | 47.00 | a | 50.42 | d | 53.52 | 57.30 | c | 59.45 | b | 62.14 | a | 71.30 | a | 64.84 | 60.83 | 56.16 | 50.60 | 45.93 | a | 56.62 | ||||||
1942 | 45.97 | a | 47.43 | 49.43 | a | 54.18 | b | 58.75 | c | 62.00 | 67.93 | b | 67.55 | 62.47 | 57.42 | 47.18 | b | 45.55 | b | 55.49 | ||||||
1943 | 39.92 | f | 48.75 | d | 48.04 | d | 55.82 | b | 55.55 | b | 60.85 | c | 62.83 | b | 63.69 | b | 65.26 | c | 56.24 | f | 49.79 | f | 46.52 | d | 56.37 | c |
1944 | 46.43 | c | 46.72 | d | 48.30 | d | 53.35 | d | 59.64 | f | 60.67 | i | 66.29 | c | 64.86 | c | 65.13 | 59.57 | a | 50.53 | 45.39 | 54.66 | b | |||
1945 | 46.58 | 48.29 | 48.84 | 50.64 | e | 58.50 | g | 62.31 | a | 66.29 | 65.52 | 61.10 | 57.19 | 47.07 | 44.87 | 54.43 | a | |||||||||
1946 | 45.65 | 46.50 | 48.74 | 51.60 | 61.13 | 60.53 | 65.26 | 65.90 | 60.73 | 53.65 | 45.77 | 43.90 | 54.11 | |||||||||||||
1947 | 41.48 | 48.32 | 50.74 | 55.93 | 61.84 | 62.43 | 66.39 | 64.77 | 63.13 | 55.23 | 47.76 | a | 46.32 | 55.36 | ||||||||||||
1948 | 44.32 | 44.45 | 47.58 | 50.90 | 57.48 | 64.93 | 65.10 | 63.10 | 61.90 | 55.13 | 48.20 | 42.26 | 53.78 | |||||||||||||
1949 | 38.10 | 42.14 | 48.77 | 53.40 | 60.87 | 61.93 | 63.94 | 63.94 | 65.13 | 53.10 | 53.10 | 44.65 | 54.09 | |||||||||||||
1950 | 32.39 | 44.18 | 46.52 | 52.00 | 55.45 | 63.57 | 65.58 | 66.16 | 62.80 | 52.81 | 48.37 | 47.65 | 53.12 | |||||||||||||
1951 | 43.58 | 45.04 | 44.68 | 55.43 | 57.39 | 64.90 | 65.77 | 62.27 | a | ----- | z | 55.10 | a | 50.07 | 43.03 | 53.39 | a | |||||||||
1952 | 41.84 | 45.28 | 47.19 | 53.00 | 58.19 | 59.67 | 64.61 | 65.87 | 64.72 | a | 61.52 | 50.37 | 48.61 | 55.07 | ||||||||||||
1953 | 48.30 | a | 47.61 | 49.97 | b | 54.31 | a | 61.77 | 61.76 | a | 67.59 | d | 70.13 | 66.67 | 57.97 | a | 53.07 | 48.67 | a | 57.32 | ||||||
1954 | 42.23 | 49.15 | b | 49.72 | b | 52.34 | a | 60.53 | a | 61.53 | 65.00 | 64.35 | 64.87 | 57.58 | 53.57 | 47.10 | a | 55.67 | ||||||||
1955 | 45.65 | 45.46 | 45.03 | 52.63 | 57.13 | a | 63.34 | a | 64.10 | b | 67.73 | a | 65.31 | a | 55.67 | a | 44.37 | 42.48 | b | 54.08 | ||||||
1956 | 43.61 | 42.79 | a | 47.23 | a | 58.33 | 65.58 | 62.23 | 70.74 | 69.81 | 65.28 | a | 56.52 | 48.87 | 46.68 | 56.47 | ||||||||||
1957 | 39.68 | 44.60 | h | 50.03 | 56.33 | 63.74 | 64.30 | 66.39 | 68.03 | 70.63 | 57.58 | 50.73 | 48.19 | 57.79 | a | |||||||||||
1958 | 48.33 | a | 51.37 | a | 51.84 | 56.53 | 64.03 | 70.41 | a | 76.93 | a | 71.50 | a | 65.33 | 59.21 | b | 46.81 | c | 47.60 | a | 59.16 | |||||
1959 | 45.00 | f | 45.00 | a | 50.13 | 56.00 | a | 60.48 | 65.30 | 71.48 | 66.94 | 62.97 | 56.62 | b | 50.00 | 46.52 | 57.40 | a | ||||||||
1960 | 45.06 | 47.76 | 49.52 | 56.69 | a | 58.29 | 63.83 | 71.52 | 67.00 | 65.50 | 58.48 | 50.07 | 47.23 | a | 56.75 | |||||||||||
1961 | 49.81 | 49.46 | 52.20 | a | 54.43 | 61.23 | 69.00 | 71.61 | 72.39 | 64.97 | a | 57.32 | 48.27 | 45.55 | 58.02 | |||||||||||
1962 | 46.10 | 48.11 | 48.84 | 55.97 | a | 57.10 | 64.19 | c | 67.29 | 67.29 | 67.57 | 58.61 | 53.07 | 48.52 | 56.89 | |||||||||||
1963 | 43.74 | 52.29 | 51.39 | 55.97 | 63.10 | 64.50 | 66.71 | 68.48 | 70.10 | 59.65 | 51.03 | 48.00 | 57.91 | |||||||||||||
1964 | 47.39 | 49.07 | 50.68 | 53.77 | 59.90 | 63.10 | a | 66.61 | 67.58 | 64.43 | 59.52 | 48.33 | 42.77 | 56.10 | ||||||||||||
1965 | 44.00 | 47.29 | 53.32 | 55.72 | a | 57.55 | 65.70 | 70.35 | 69.13 | 65.33 | 59.97 | 51.97 | 46.76 | b | 57.26 | |||||||||||
1966 | 45.19 | 49.33 | a | 50.65 | 55.38 | a | 60.52 | 63.80 | 65.87 | 70.13 | 66.60 | 57.94 | 51.50 | 48.52 | 57.12 | |||||||||||
1967 | 46.77 | 49.21 | 48.94 | 53.17 | 59.81 | 68.77 | 70.10 | 74.10 | 69.80 | 57.90 | 51.50 | 45.94 | 58.00 | |||||||||||||
1968 | 45.94 | 51.21 | 52.10 | 54.27 | 62.17 | a | 64.30 | 71.60 | a | 67.55 | 65.53 | 56.42 | 51.90 | 42.35 | 57.11 | |||||||||||
1969 | 37.29 | 46.54 | 53.10 | 55.07 | 64.71 | 68.93 | 67.58 | 66.71 | 64.37 | 58.72 | b | 49.79 | f | 48.29 | 57.39 | a | ||||||||||
1970 | 45.94 | 50.89 | 52.58 | 54.70 | 59.33 | d | 68.57 | 69.71 | 67.55 | 62.87 | 57.23 | 50.77 | 45.06 | 57.10 | ||||||||||||
1971 | 45.42 | 47.54 | 47.94 | 56.10 | 62.45 | 61.17 | 69.55 | 71.23 | 64.70 | 57.42 | 50.17 | 42.48 | 56.35 | |||||||||||||
1972 | 41.87 | 48.07 | 50.55 | 52.00 | 64.55 | 64.60 | 71.58 | 71.55 | 62.83 | 57.58 | 50.93 | 43.10 | 56.60 | |||||||||||||
1973 | 45.73 | a | 48.64 | 51.39 | 56.83 | 61.65 | 63.60 | 69.10 | 65.35 | 67.07 | 56.23 | 47.67 | 49.03 | 56.86 | ||||||||||||
1974 | 45.03 | a | 47.36 | 51.13 | 55.03 | 57.71 | 64.50 | 67.13 | 69.39 | 71.53 | 59.94 | 50.93 | 49.03 | 57.39 | ||||||||||||
1975 | 44.71 | 45.32 | 49.80 | a | 52.93 | 60.26 | 63.03 | 69.57 | a | 64.90 | 68.00 | 56.67 | a | 50.43 | 45.77 | 55.95 | ||||||||||
1976 | 46.84 | 47.69 | 47.48 | 55.80 | 60.35 | 63.57 | 68.00 | 65.39 | 67.93 | 58.77 | 51.43 | 48.63 | a | 56.82 | ||||||||||||
1977 | 45.35 | 51.79 | 50.43 | a | 57.03 | 58.90 | 66.17 | 66.35 | 72.03 | 63.40 | 56.71 | 48.63 | 45.84 | 56.89 | ||||||||||||
1978 | 45.84 | 49.43 | 53.10 | 55.37 | 60.74 | 69.93 | 70.60 | a | 68.52 | 63.17 | a | 59.48 | 46.70 | 43.87 | 57.23 | |||||||||||
1979 | 42.06 | 45.86 | 53.81 | 56.00 | 61.97 | 64.23 | 70.10 | 68.32 | 68.87 | 59.65 | 51.10 | 49.90 | 57.66 | |||||||||||||
1980 | 42.10 | 49.14 | 50.19 | ----- | z | 60.10 | 61.60 | 68.16 | 66.68 | 64.90 | 59.81 | 50.57 | 48.10 | 56.48 | a | |||||||||||
1981 | 49.97 | 48.96 | a | 54.35 | 54.90 | ----- | z | 61.83 | 67.72 | b | 72.16 | 65.69 | a | 57.06 | 51.63 | 46.57 | a | 57.35 | a | |||||||
1982 | ----- | z | 47.71 | 50.74 | 53.52 | a | 60.23 | 68.24 | a | 66.23 | a | 69.10 | 67.24 | a | 58.40 | a | 48.48 | a | 46.43 | a | 57.85 | a | ||||
1983 | 49.35 | 50.96 | 54.63 | a | 58.07 | 64.25 | c | 64.57 | 67.87 | 70.87 | a | 65.07 | a | 56.77 | 52.00 | 40.40 | a | 57.90 | ||||||||
1984 | 47.19 | d | 50.14 | 53.61 | 56.00 | 58.06 | 61.69 | a | 69.00 | a | 68.63 | a | 64.10 | 55.61 | 48.90 | 42.26 | 56.27 | |||||||||
1985 | 42.94 | 45.36 | 49.16 | 53.03 | 57.87 | 62.50 | 69.13 | a | 67.10 | 62.47 | 55.03 | a | 39.75 | b | 40.58 | 53.74 | ||||||||||
1986 | 48.26 | 45.57 | 51.35 | 50.67 | 56.74 | 64.00 | 60.16 | 71.13 | 61.23 | 56.19 | 48.39 | b | 45.77 | 54.96 | ||||||||||||
1987 | 44.61 | 49.78 | a | 51.27 | a | 54.63 | 58.32 | 62.29 | b | 63.68 | 65.83 | a | 64.00 | a | 57.97 | a | 50.30 | 43.62 | b | 55.52 | ||||||
1988 | 43.43 | a | 46.89 | b | 49.32 | 52.17 | a | 58.87 | a | 63.10 | a | 68.58 | 69.26 | 65.52 | c | 57.63 | a | 50.67 | 45.48 | 55.91 | ||||||
1989 | 45.00 | a | 40.30 | a | 47.71 | 57.83 | 59.61 | 67.31 | a | 65.87 | 67.03 | 69.59 | a | 57.19 | 49.97 | 47.17 | a | 56.21 | ||||||||
1990 | 46.74 | 44.88 | b | 50.45 | 55.47 | 58.77 | 63.43 | 71.40 | a | 69.41 | b | 68.20 | 56.39 | 51.03 | 40.87 | 56.42 | ||||||||||
1991 | 43.71 | 50.48 | a | 47.48 | b | 54.17 | a | 58.23 | 61.73 | 67.61 | 66.97 | 66.73 | 56.81 | 51.20 | 47.61 | 56.06 | ||||||||||
1992 | 48.20 | a | 50.00 | 54.57 | a | 56.69 | a | 63.31 | b | 68.07 | a | 70.11 | d | 69.43 | a | 63.70 | 58.48 | 49.57 | 43.55 | 57.97 | ||||||
1993 | 41.00 | 44.30 | a | 51.97 | 54.47 | 64.87 | 65.30 | 65.29 | 69.19 | 66.66 | a | 57.97 | 48.00 | a | 45.97 | 56.25 | ||||||||||
1994 | 49.61 | 45.14 | 53.06 | 56.00 | 61.97 | 63.13 | 68.87 | 69.30 | a | 66.07 | 56.79 | b | 47.80 | 45.42 | 56.93 | |||||||||||
1995 | 46.26 | 49.25 | 52.10 | 56.17 | 66.03 | 66.40 | 70.42 | 65.77 | 68.13 | 57.26 | 52.60 | 46.19 | 58.05 | |||||||||||||
1996 | 43.97 | 47.38 | 50.84 | 55.47 | 58.26 | 65.00 | a | 72.53 | a | 70.90 | 62.30 | 56.10 | 47.27 | 41.68 | 55.97 | |||||||||||
1997 | 44.90 | a | 47.85 | a | 51.65 | 56.34 | a | 64.07 | a | 64.83 | 69.35 | 70.45 | ----- | z | 57.52 | ----- | z | ----- | z | 58.55 | c | |||||
1998 | 48.38 | g | 51.14 | 51.68 | 56.77 | 61.90 | 64.83 | a | 69.52 | 71.87 | 68.63 | 57.16 | 50.93 | 46.50 | a | 59.18 | a | |||||||||
1999 | 45.97 | 48.14 | 49.94 | 56.69 | a | 58.52 | 66.70 | 72.23 | 71.86 | c | 70.03 | 61.84 | 57.07 | 51.60 | a | 59.21 | ||||||||||
2000 | 50.18 | c | 50.90 | 53.84 | 59.03 | 62.16 | 68.93 | 70.84 | 69.39 | 66.83 | ----- | z | 49.93 | 47.87 | 59.08 | a | ||||||||||
2001 | 47.68 | 47.93 | 51.67 | a | 57.23 | 62.74 | 65.27 | 68.00 | ----- | z | 65.57 | 57.23 | 51.66 | a | 46.58 | 56.50 | a | |||||||||
2002 | 48.19 | 50.32 | 49.71 | 61.52 | a | 64.94 | 68.93 | 69.10 | a | 67.19 | 64.43 | 54.94 | 51.07 | a | 46.68 | 58.08 | ||||||||||
2003 | 48.81 | 46.37 | a | 50.53 | a | 52.07 | 57.16 | 65.93 | 68.35 | 67.06 | 65.97 | 56.74 | 47.53 | 45.84 | 56.03 | |||||||||||
2004 | 44.10 | 48.34 | 51.29 | 58.17 | ----- | z | 65.70 | 69.10 | 67.84 | 62.27 | 56.55 | 49.87 | 47.03 | 56.39 | a | |||||||||||
2005 | 45.48 | 46.89 | 46.45 | 54.87 | 61.13 | a | ----- | z | 66.97 | 67.77 | 62.63 | 55.10 | 47.64 | e | ----- | z | 55.49 | b | ||||||||
2006 | 48.26 | 47.04 | 49.90 | 54.03 | 59.74 | 65.23 | 67.55 | 66.13 | 64.83 | 56.29 | 48.30 | 46.39 | 56.14 | |||||||||||||
2007 | 44.77 | 47.04 | 49.70 | a | 52.13 | 57.39 | 60.84 | e | ----- | z | ----- | z | ----- | z | 54.16 | 48.60 | 44.52 | 51.02 | c | |||||||
2008 | 43.84 | 46.59 | 46.39 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 45.60 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 44.99 | 47.45 | 50.20 | 54.95 | 60.32 | 64.25 | 67.86 | 67.87 | 65.04 | 57.16 | 49.65 | 45.96 | 56.30 | |||||||||||||
S.D. | 3.26 | 2.69 | 2.34 | 2.13 | 2.54 | 2.52 | 2.79 | 2.52 | 2.57 | 1.80 | 2.42 | 2.33 | 1.40 | |||||||||||||
SKEW | -1.34 | -0.82 | -0.21 | 0.15 | 0.35 | 0.56 | 0.19 | 0.10 | 0.42 | -0.02 | -0.65 | -0.41 | -0.30 | |||||||||||||
MAX | 50.18 | 52.29 | 54.63 | 61.52 | 66.03 | 70.41 | 76.93 | 74.10 | 71.53 | 61.84 | 57.07 | 51.60 | 59.21 | |||||||||||||
MIN | 32.39 | 38.14 | 44.68 | 50.64 | 55.45 | 59.34 | 60.16 | 62.27 | 60.40 | 52.81 | 39.75 | 40.40 | 53.12 | |||||||||||||
YRS | 71 | 74 | 75 | 73 | 70 | 72 | 73 | 73 | 72 | 72 | 72 | 72 | 55 |