YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1932 | ----- | z | ----- | z | ----- | z | ----- | z | 66.13 | 74.90 | 76.26 | 79.16 | 78.33 | 68.94 | 61.97 | 49.90 | 69.45 | d | ||||||||
1933 | 49.97 | 53.59 | a | 57.30 | a | 62.48 | a | 60.10 | 71.07 | 77.23 | 78.26 | 71.00 | 71.52 | 63.87 | 55.81 | 64.35 | ||||||||||
1934 | 58.84 | 62.25 | 69.45 | 69.17 | 70.26 | 73.27 | 76.29 | 78.77 | 77.30 | 70.58 | 59.57 | 55.16 | 68.41 | |||||||||||||
1935 | 52.97 | 58.82 | 54.94 | 62.53 | 67.74 | 75.77 | 77.10 | 81.55 | 80.60 | 66.87 | 58.27 | 57.00 | 66.18 | |||||||||||||
1936 | 55.55 | 55.86 | 59.16 | 66.53 | 71.90 | a | 74.47 | 77.23 | 81.10 | 78.23 | 74.00 | 60.00 | 53.87 | 67.32 | ||||||||||||
1937 | 44.19 | 51.59 | a | 57.41 | i | 60.00 | a | 68.42 | 73.93 | 77.90 | 80.77 | 77.50 | 74.39 | 60.82 | b | 58.39 | 66.17 | a | ||||||||
1938 | 56.06 | 55.25 | 55.23 | 64.27 | 71.10 | 75.77 | 83.58 | 81.68 | 80.08 | d | 70.03 | 58.67 | 56.48 | 67.35 | ||||||||||||
1939 | 53.23 | 51.75 | 61.65 | 70.23 | 72.26 | 73.35 | g | 80.32 | 83.61 | 80.73 | 70.06 | 63.80 | 58.16 | 67.80 | a | |||||||||||
1940 | 57.55 | 57.14 | 62.90 | 64.27 | 71.52 | 78.80 | 79.58 | 83.67 | a | 76.00 | 70.13 | 59.14 | a | 56.68 | 68.11 | |||||||||||
1941 | 58.42 | 61.89 | 66.39 | 63.57 | 68.84 | 73.38 | a | 81.17 | b | 78.35 | 74.60 | 67.84 | 63.38 | a | 55.03 | 67.74 | ||||||||||
1942 | 57.06 | 55.31 | b | 59.97 | 62.93 | 66.45 | 73.67 | 79.90 | 81.26 | 78.97 | 71.48 | 59.90 | a | 55.50 | a | 66.87 | ||||||||||
1943 | 53.03 | 61.82 | 61.52 | 65.59 | a | 67.84 | 70.43 | 77.77 | 77.97 | 82.83 | 68.32 | 62.52 | a | 55.30 | a | 67.08 | ||||||||||
1944 | 57.17 | a | 52.72 | 60.06 | 59.97 | 67.13 | 69.83 | 78.00 | 80.19 | 79.00 | a | 73.13 | 57.87 | 57.73 | a | 66.07 | ||||||||||
1945 | 56.90 | 54.96 | 53.97 | 61.13 | 66.17 | a | 74.07 | 81.97 | 78.16 | 76.63 | 68.87 | 55.73 | 54.00 | 65.21 | ||||||||||||
1946 | 53.26 | 54.50 | 57.03 | 60.77 | 68.68 | 70.00 | 78.06 | 76.74 | 75.90 | 63.17 | a | 54.63 | 53.32 | 63.84 | ||||||||||||
1947 | 49.52 | 59.79 | 61.65 | 66.03 | 71.10 | 69.93 | 74.29 | 74.58 | 78.07 | 65.48 | 57.80 | 55.03 | 65.27 | |||||||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 74.00 | 74.00 | 74.53 | 66.48 | 56.00 | 47.13 | 65.36 | f | ||||||
1949 | 45.71 | 50.29 | 56.32 | 65.23 | 67.68 | 72.80 | 75.97 | 77.06 | 75.43 | 63.65 | 64.21 | a | 50.16 | 63.71 | ||||||||||||
1950 | 44.48 | 55.75 | 56.58 | 62.33 | 66.23 | 68.80 | 77.16 | 81.00 | 73.90 | 64.87 | 60.70 | 56.77 | 64.05 | |||||||||||||
1951 | 49.81 | 54.50 | 55.45 | 62.67 | 66.29 | 73.87 | 75.03 | 77.00 | 76.23 | 65.84 | 59.23 | 48.73 | a | 63.72 | ||||||||||||
1952 | 48.26 | 54.93 | 53.81 | 62.53 | 65.68 | 66.90 | 77.39 | 75.71 | 77.31 | a | 72.03 | a | 57.60 | 53.00 | 63.76 | |||||||||||
1953 | 56.35 | 55.18 | 55.81 | 61.37 | 62.58 | 64.90 | 75.10 | a | 74.48 | 76.97 | 67.84 | 60.23 | 53.68 | 63.71 | ||||||||||||
1954 | 51.00 | 59.14 | 57.39 | 62.43 | 67.06 | 65.67 | 73.16 | 72.23 | 70.83 | 68.52 | 60.83 | 53.23 | 63.46 | |||||||||||||
1955 | 51.00 | 52.43 | 55.10 | 55.70 | 63.74 | 68.60 | 70.39 | 74.65 | 74.72 | a | 66.90 | 55.87 | 52.26 | 61.78 | ||||||||||||
1956 | 50.68 | 48.03 | 56.13 | 62.97 | a | 65.87 | 69.07 | 75.52 | 75.87 | 74.40 | 64.29 | 59.33 | 54.00 | a | 63.01 | |||||||||||
1957 | 46.28 | b | 56.46 | 57.03 | 62.00 | 65.65 | 71.40 | 74.23 | 75.81 | 78.10 | 64.65 | 58.20 | 53.77 | 63.63 | ||||||||||||
1958 | 56.65 | 58.64 | 56.26 | 61.80 | 70.03 | 71.00 | 77.65 | 80.06 | 76.40 | 72.71 | 59.77 | 59.27 | a | 66.69 | ||||||||||||
1959 | 53.80 | a | 53.71 | 58.45 | 64.48 | a | 65.45 | 70.17 | 77.42 | 77.39 | 70.83 | 68.71 | 62.63 | 54.10 | 64.76 | |||||||||||
1960 | 51.55 | 54.59 | 58.29 | 62.50 | 62.94 | 72.67 | 75.87 | 74.97 | 75.86 | a | 67.03 | 56.37 | 54.32 | 63.91 | ||||||||||||
1961 | 58.13 | 55.54 | 56.06 | 60.50 | 60.71 | 71.53 | 75.19 | 78.35 | 72.07 | 66.94 | 57.36 | h | 51.31 | e | 64.21 | a | ||||||||||
1962 | 51.52 | 52.75 | 55.60 | a | 65.47 | 60.67 | a | 69.17 | 74.84 | 76.58 | 75.37 | 66.63 | a | 63.70 | j | ----- | z | 64.86 | b | |||||||
1963 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 67.16 | 57.93 | 55.90 | 60.33 | i | |||
1964 | 52.39 | 56.41 | 56.29 | 59.17 | 64.65 | 70.07 | 76.97 | 78.55 | 75.63 | 71.42 | 55.67 | 51.39 | 64.05 | |||||||||||||
1965 | 51.71 | 56.18 | 63.39 | 62.04 | b | 65.29 | 71.03 | 78.81 | 81.23 | a | 76.53 | 72.71 | 58.70 | 49.65 | 65.61 | |||||||||||
1966 | 51.81 | 53.89 | 56.32 | 66.17 | 67.87 | 75.00 | a | 75.68 | 79.52 | 78.33 | 66.74 | 58.03 | 53.32 | 65.22 | ||||||||||||
1967 | 51.57 | a | 56.25 | 54.26 | 55.57 | 68.84 | 74.23 | 80.90 | 84.87 | 80.87 | 68.06 | 59.93 | 49.67 | a | 65.42 | |||||||||||
1968 | 50.68 | 61.14 | 60.42 | 61.57 | 66.65 | 73.70 | 78.39 | 76.16 | 75.77 | 66.71 | 58.40 | 50.00 | 64.96 | |||||||||||||
1969 | 45.90 | 49.71 | 60.77 | 60.73 | 69.97 | 71.37 | 76.39 | 78.77 | 76.70 | 66.23 | 60.87 | 54.48 | 64.32 | |||||||||||||
1970 | 53.00 | 61.50 | 59.29 | 58.33 | 67.55 | 74.57 | 79.97 | 77.90 | 74.20 | 66.29 | 58.67 | 49.97 | 65.10 | |||||||||||||
1971 | 49.19 | 54.82 | 53.55 | 58.07 | 63.74 | 68.93 | 76.00 | 78.65 | 73.20 | 63.65 | 55.43 | 47.61 | 61.90 | |||||||||||||
1972 | 48.29 | 55.28 | 59.94 | 59.07 | 68.77 | 74.03 | 81.94 | 81.45 | 74.97 | 67.29 | 57.37 | 49.10 | 64.79 | |||||||||||||
1973 | 51.35 | 58.43 | 54.97 | 64.30 | 70.45 | 74.70 | 78.84 | 76.13 | 76.17 | 67.00 | 53.17 | 55.23 | 65.06 | |||||||||||||
1974 | 50.19 | 52.71 | 57.65 | 59.93 | 65.48 | 71.47 | 78.29 | 79.84 | 82.07 | 71.97 | 59.60 | 52.90 | 65.18 | |||||||||||||
1975 | 53.84 | 52.89 | 54.65 | 56.03 | 68.57 | c | 72.70 | 76.61 | 75.42 | 78.60 | 64.35 | 56.20 | 53.90 | 63.65 | ||||||||||||
1976 | 55.00 | 54.14 | 56.00 | 59.00 | 68.90 | 70.60 | 77.32 | 74.81 | 76.17 | 70.94 | 62.97 | 55.06 | 65.08 | |||||||||||||
1977 | 55.87 | 61.29 | 54.81 | 64.70 | 62.26 | 73.23 | 77.68 | 80.61 | 71.40 | 67.68 | 56.63 | 55.52 | 65.14 | |||||||||||||
1978 | 55.77 | 56.61 | 63.10 | 60.03 | 66.06 | 74.03 | 77.16 | 78.32 | 71.50 | 71.06 | 56.80 | 49.94 | 65.03 | |||||||||||||
1979 | 51.00 | 51.32 | 61.29 | 60.87 | 67.94 | 74.80 | 78.65 | 77.97 | 79.33 | 69.65 | 58.43 | 56.74 | 65.67 | |||||||||||||
1980 | 51.55 | 59.52 | 56.29 | 62.07 | 65.39 | 67.23 | 76.77 | 75.90 | 76.30 | 71.74 | 60.34 | a | 56.65 | 64.98 | ||||||||||||
1981 | 59.55 | 58.29 | 59.87 | 62.40 | 66.48 | 72.60 | 77.77 | 79.58 | 77.10 | 66.03 | 58.73 | 53.77 | 66.02 | |||||||||||||
1982 | 49.48 | 55.11 | a | 55.77 | 59.33 | 69.13 | 70.57 | 73.77 | 78.10 | 75.43 | 68.00 | 56.93 | 52.06 | 63.64 | ||||||||||||
1983 | 54.90 | 57.25 | 58.19 | 60.37 | 68.61 | 70.93 | 73.23 | 77.71 | 74.80 | 68.90 | 57.23 | 51.00 | 64.43 | |||||||||||||
1984 | 55.65 | 56.24 | 61.42 | 59.33 | 67.74 | 70.97 | 80.29 | 80.03 | 78.77 | 64.32 | 56.27 | 50.13 | a | 65.10 | ||||||||||||
1985 | 54.81 | 55.18 | 54.81 | 64.97 | 67.77 | 75.03 | 83.13 | 78.71 | 72.53 | 67.13 | 51.13 | 53.32 | 64.88 | |||||||||||||
1986 | 56.84 | 57.11 | 62.74 | 61.43 | 68.26 | 76.73 | 78.03 | 81.94 | 71.83 | 69.97 | 60.43 | b | 55.32 | 66.72 | ||||||||||||
1987 | 53.32 | 56.89 | 59.55 | 68.77 | 70.19 | 75.50 | 74.94 | 83.13 | 78.60 | 75.94 | 59.60 | 49.16 | 67.13 | |||||||||||||
1988 | 52.30 | a | 59.90 | 61.35 | 64.24 | a | 64.94 | 70.17 | 80.94 | 80.29 | 79.40 | 71.97 | 56.43 | 52.42 | 66.20 | |||||||||||
1989 | 52.39 | 49.96 | 56.52 | 69.73 | 66.39 | 73.57 | 74.16 | 76.48 | 80.13 | 68.97 | 60.53 | 54.03 | 65.24 | |||||||||||||
1990 | 52.81 | 53.71 | 61.32 | 65.77 | 67.35 | 69.43 | 79.81 | 79.19 | 78.40 | 68.13 | 57.40 | 46.10 | 64.95 | |||||||||||||
1991 | 52.61 | 63.43 | 55.52 | 59.63 | 62.74 | 69.03 | 80.52 | 79.35 | 84.80 | 76.48 | 60.17 | 53.29 | 66.46 | |||||||||||||
1992 | 56.26 | 62.38 | ----- | z | 68.27 | 77.65 | e | 76.17 | 78.39 | 83.58 | 80.27 | 73.00 | 58.63 | 49.35 | 69.45 | a | ||||||||||
1993 | 50.29 | 56.25 | 62.77 | 61.83 | 68.74 | 71.37 | 76.77 | 79.87 | 80.47 | 73.84 | 57.66 | a | 52.42 | 66.02 | ||||||||||||
1994 | 56.87 | 54.64 | 65.33 | a | 64.07 | 68.90 | 70.63 | 79.90 | 80.74 | 78.37 | 70.13 | 52.83 | 53.10 | 66.29 | ||||||||||||
1995 | 54.73 | a | 62.96 | 59.03 | 62.17 | 67.93 | a | 71.20 | 78.55 | 80.65 | 79.52 | a | 70.16 | 62.47 | 56.29 | 67.14 | ||||||||||
1996 | 52.39 | 59.97 | 63.16 | 65.00 | 66.81 | 74.93 | 83.26 | 84.39 | 78.40 | 70.94 | 60.80 | 53.55 | 67.80 | |||||||||||||
1997 | 60.03 | 58.70 | a | 60.65 | 65.28 | a | 75.06 | 73.31 | a | 81.30 | d | ----- | z | ----- | z | 66.57 | a | ----- | z | 52.42 | 65.92 | c | ||||
1998 | 54.50 | a | 54.32 | 61.03 | 62.70 | 62.68 | 71.97 | 80.39 | 82.06 | 81.63 | 71.03 | ----- | z | 51.00 | f | 68.23 | b | |||||||||
1999 | 53.76 | b | 52.46 | b | 55.48 | 62.13 | 64.74 | 72.93 | 77.81 | 77.71 | 83.10 | 75.35 | 62.03 | a | 54.23 | 65.98 | ||||||||||
2000 | 52.69 | b | 56.48 | 58.10 | 68.07 | 68.40 | a | 78.30 | 79.33 | d | 81.77 | 80.00 | 70.65 | 56.80 | 55.03 | 67.14 | ||||||||||
2001 | 55.69 | b | 57.30 | a | 62.71 | 60.17 | a | 73.90 | a | 73.66 | a | 79.65 | 80.42 | 79.81 | c | 72.97 | a | 60.79 | p | 51.69 | b | 68.00 | a | |||
2002 | 51.94 | 61.19 | a | 54.11 | v | 65.68 | b | 72.20 | u | 76.11 | b | 82.31 | r | 83.32 | l | 82.62 | v | 69.60 | p | 64.64 | p | ----- | z | 63.73 | h | |
2003 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 76.26 | k | 79.76 | f | 80.27 | e | 82.68 | h | 73.79 | g | 57.00 | e | ----- | z | 68.63 | j |
2004 | 55.04 | e | 57.75 | e | 66.29 | j | 65.73 | h | 68.43 | h | 72.96 | d | 80.29 | c | 81.33 | a | 75.43 | g | 67.52 | d | 58.38 | a | 55.70 | a | 66.12 | d |
2005 | 55.89 | c | 62.96 | c | 65.34 | b | 62.74 | c | 68.44 | d | 69.83 | f | 80.54 | c | 80.39 | 75.50 | 68.55 | 58.72 | a | 53.03 | b | 66.56 | a | |||
2006 | 55.23 | i | 59.12 | c | 54.96 | c | 62.79 | a | 70.85 | e | 74.93 | b | 78.67 | a | 77.14 | b | 78.26 | c | 70.67 | d | 56.63 | c | 55.27 | e | 67.21 | a |
2007 | 53.67 | d | 53.59 | a | 63.34 | b | 64.11 | c | 69.74 | d | 72.50 | b | 77.90 | 78.86 | b | 75.65 | d | 67.07 | b | 59.19 | c | 48.95 | i | 66.88 | a | |
2008 | 50.56 | d | 56.67 | e | 58.48 | h | 60.67 | c | ----- | z | ----- | z | ----- | z | 77.27 | a | ----- | z | ----- | z | ----- | z | ----- | z | 61.29 | h |
2009 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2010 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2011 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2012 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2013 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2014 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2015 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2016 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2017 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2018 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2019 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2020 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2021 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2022 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2023 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2024 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 53.01 | 56.32 | 58.70 | 62.65 | 67.44 | 72.30 | 77.83 | 78.89 | 77.03 | 69.01 | 58.71 | 53.36 | 65.29 | |||||||||||||
S.D. | 3.47 | 3.48 | 3.51 | 3.12 | 3.20 | 2.77 | 2.58 | 2.66 | 3.07 | 3.08 | 2.62 | 2.82 | 1.47 | |||||||||||||
SKEW | -0.37 | 0.13 | 0.67 | 0.20 | 0.24 | -0.23 | -0.09 | -0.03 | -0.04 | 0.29 | -0.16 | -0.39 | -0.01 | |||||||||||||
MAX | 60.03 | 63.43 | 69.45 | 70.23 | 77.65 | 78.80 | 83.58 | 84.87 | 84.80 | 76.48 | 64.21 | 59.27 | 68.41 | |||||||||||||
MIN | 44.19 | 48.03 | 53.55 | 55.57 | 60.10 | 64.90 | 70.39 | 72.23 | 70.83 | 63.17 | 51.13 | 46.10 | 61.78 | |||||||||||||
YRS | 72 | 73 | 68 | 72 | 71 | 71 | 73 | 74 | 71 | 74 | 70 | 71 | 59 |