YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1933 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 74.24 | a | 65.97 | 52.13 | 42.74 | 58.77 | h | |||
1934 | 44.45 | 49.96 | 59.65 | 62.87 | 69.10 | 71.27 | 82.84 | 81.82 | c | 70.43 | 62.32 | 50.83 | 44.74 | 62.52 | ||||||||||||
1935 | 40.94 | 46.89 | 46.84 | 57.10 | 61.10 | 75.33 | 78.16 | 79.29 | 74.37 | 58.55 | 45.20 | 41.90 | 58.81 | |||||||||||||
1936 | 40.87 | 43.76 | 52.19 | 59.27 | 67.65 | 77.10 | 81.77 | 81.97 | 70.77 | 60.81 | 49.87 | 42.60 | a | 60.72 | ||||||||||||
1937 | 30.57 | c | 45.29 | 54.26 | 57.73 | 67.29 | 75.23 | 82.97 | 83.71 | 77.13 | 62.74 | 51.47 | 49.06 | 61.45 | ||||||||||||
1938 | 45.90 | 44.86 | 48.52 | 59.10 | 66.52 | 76.03 | 81.65 | 80.13 | 74.50 | 60.13 | 45.33 | 46.35 | 60.75 | |||||||||||||
1939 | 42.55 | 40.11 | 52.90 | 61.93 | 68.65 | 73.93 | 81.68 | 83.87 | 72.11 | b | 61.45 | b | 52.77 | 45.30 | a | 61.44 | ||||||||||
1940 | 45.90 | 49.93 | 56.26 | 61.63 | 72.06 | 80.80 | 83.78 | h | 83.38 | g | 72.63 | 63.61 | 48.52 | a | 45.68 | 59.70 | b | |||||||||
1941 | 43.71 | 49.32 | 52.58 | 55.87 | 68.03 | 72.13 | 81.13 | 75.65 | 67.90 | 58.07 | b | 51.17 | 43.68 | 59.94 | ||||||||||||
1942 | 45.00 | 43.82 | 46.29 | 56.17 | 61.81 | 72.13 | 82.13 | a | ----- | z | 70.83 | 61.86 | b | 51.33 | 43.45 | 57.71 | a | |||||||||
1943 | 43.48 | 45.18 | 53.42 | 58.10 | 69.00 | 69.24 | a | 79.23 | 76.81 | 71.93 | a | 58.26 | 44.60 | 41.90 | b | 59.26 | ||||||||||
1944 | 41.23 | a | 42.69 | 48.72 | b | 54.97 | a | 64.79 | b | 68.41 | a | 77.29 | 78.43 | a | 71.39 | b | 63.61 | 49.23 | 43.94 | 58.73 | ||||||
1945 | 43.13 | 45.93 | 45.90 | 56.73 | 66.74 | 73.50 | 82.81 | 78.74 | 72.36 | h | 65.58 | 51.20 | 43.58 | 59.44 | a | |||||||||||
1946 | 44.35 | 43.96 | 52.55 | 63.90 | 68.61 | 78.00 | 81.90 | 81.68 | 76.03 | 59.48 | 47.93 | 47.87 | 62.19 | |||||||||||||
1947 | 42.48 | 51.18 | 55.03 | 62.20 | 71.03 | 75.60 | 82.81 | 79.10 | 77.97 | 63.94 | 49.00 | 42.81 | 62.76 | |||||||||||||
1948 | 44.81 | 44.38 | 46.81 | 58.93 | 66.45 | 74.53 | 80.45 | 80.50 | i | 75.77 | 63.94 | 48.60 | 40.10 | 58.61 | a | |||||||||||
1949 | 34.74 | 40.89 | 49.29 | 63.70 | 66.77 | 77.97 | 83.13 | 80.10 | 78.50 | 61.33 | a | 56.97 | 42.32 | 61.31 | ||||||||||||
1950 | 39.23 | 49.79 | 54.32 | 63.83 | 67.29 | 74.90 | 81.61 | 81.16 | 73.23 | 67.10 | 55.70 | 50.81 | 63.25 | |||||||||||||
1951 | 44.95 | j | 46.25 | h | 51.35 | 59.80 | 67.75 | g | 75.70 | 83.35 | 80.71 | 76.93 | 64.26 | 51.00 | f | 43.07 | b | 66.90 | d | |||||||
1952 | 40.42 | 46.17 | 47.55 | 59.33 | 72.06 | 72.53 | 81.87 | 84.48 | 76.83 | 69.23 | 49.63 | 44.10 | 62.02 | |||||||||||||
1953 | 48.90 | 46.96 | 51.97 | 58.57 | 61.13 | 73.67 | 86.29 | 80.67 | a | 75.59 | a | 63.97 | a | 54.66 | a | 46.91 | i | 63.85 | a | |||||||
1954 | 43.13 | a | 53.86 | 50.17 | a | 64.77 | 69.68 | 74.90 | 84.45 | 78.42 | 73.97 | 65.23 | 56.17 | 45.10 | a | 63.32 | ||||||||||
1955 | 41.81 | 42.96 | 51.97 | 56.27 | 64.65 | 74.90 | 79.97 | 80.50 | a | 75.47 | 66.74 | 53.03 | 47.26 | 61.29 | ||||||||||||
1956 | 45.91 | h | 43.10 | 52.35 | 59.67 | 67.16 | 77.37 | 82.19 | 78.81 | 79.30 | 61.71 | 50.40 | 46.77 | 63.53 | a | |||||||||||
1957 | 43.42 | 52.21 | 54.45 | 59.73 | 64.13 | 80.77 | 83.58 | 79.87 | 74.63 | 61.45 | 49.27 | 46.68 | 62.52 | |||||||||||||
1958 | 45.84 | 50.25 | 48.10 | 59.97 | 72.45 | 76.77 | 80.71 | 83.52 | 76.53 | 68.00 | 52.47 | 48.06 | 63.56 | |||||||||||||
1959 | 46.10 | b | 45.93 | 55.00 | 64.37 | 66.74 | 80.77 | 86.19 | 80.58 | 73.03 | a | 65.42 | 54.07 | 47.19 | 63.78 | |||||||||||
1960 | 40.38 | b | 46.10 | 55.52 | 62.53 | 67.84 | 80.77 | 84.39 | 81.45 | 76.27 | 64.87 | 53.13 | 43.97 | 63.10 | ||||||||||||
1961 | 45.61 | 49.57 | 52.81 | 61.14 | a | 66.55 | 80.77 | 84.13 | 81.45 | 71.33 | 63.13 | 50.10 | 43.87 | a | 62.54 | |||||||||||
1962 | 44.87 | 48.18 | 47.55 | 65.33 | 63.97 | 76.13 | 82.39 | 83.52 | 76.43 | 64.32 | 55.90 | 47.52 | 63.01 | |||||||||||||
1963 | 41.00 | a | 54.26 | a | 51.45 | 55.93 | 69.03 | 74.15 | c | 82.68 | 81.10 | 75.90 | 66.55 | 53.53 | 45.81 | 62.62 | ||||||||||
1964 | 40.48 | 43.90 | 49.00 | 57.45 | a | 65.13 | 73.87 | 82.87 | 81.87 | 73.31 | a | 68.61 | 49.18 | b | 46.23 | 60.99 | ||||||||||
1965 | 45.87 | 47.93 | 48.94 | 57.65 | d | 64.39 | 70.39 | b | 73.37 | a | 74.23 | 69.93 | 68.33 | a | 57.40 | 49.32 | 60.65 | |||||||||
1966 | 40.65 | 43.57 | 51.77 | 61.53 | 69.87 | 76.00 | 80.45 | 82.19 | 74.37 | 62.10 | 53.37 | 46.06 | 61.83 | |||||||||||||
1967 | 44.03 | 48.89 | a | 53.71 | 50.37 | 67.07 | a | 72.10 | 84.94 | 83.77 | 75.17 | 66.45 | 56.30 | 42.33 | a | 62.09 | ||||||||||
1968 | 42.97 | a | 53.11 | a | 53.90 | 58.47 | 66.63 | a | 76.70 | 78.73 | a | 77.26 | 74.53 | 63.45 | 55.07 | 39.68 | 61.71 | |||||||||
1969 | 47.71 | 45.71 | 52.81 | 60.52 | a | 70.00 | 74.93 | 82.71 | 86.68 | 78.20 | 61.97 | 55.67 | 46.48 | 63.62 | ||||||||||||
1970 | 44.06 | 50.18 | 53.61 | 57.37 | 69.06 | 77.03 | 85.52 | 85.00 | 72.76 | a | 60.87 | 51.80 | 42.84 | 62.51 | ||||||||||||
1971 | 43.87 | 47.69 | b | 51.03 | 57.77 | 62.19 | 75.53 | 83.77 | a | 80.48 | 76.43 | 58.45 | 50.30 | 41.48 | 60.75 | |||||||||||
1972 | 41.97 | 50.31 | 61.00 | 61.20 | 68.35 | 76.40 | 85.00 | 80.19 | 72.93 | 60.48 | 50.34 | a | 42.74 | 62.58 | ||||||||||||
1973 | 41.27 | a | 48.50 | 48.81 | 59.00 | a | 70.77 | 79.53 | 83.06 | 81.23 | 74.00 | 63.71 | 52.37 | 47.55 | 62.48 | |||||||||||
1974 | 43.45 | 47.25 | 54.57 | a | 58.90 | a | 68.77 | 80.30 | 82.74 | 80.81 | 78.47 | 65.68 | 53.50 | 44.77 | 63.27 | |||||||||||
1975 | 43.94 | 45.14 | 50.00 | 52.83 | 66.97 | 76.10 | 82.94 | 80.74 | 77.53 | 62.77 | 53.00 | 47.61 | 61.63 | |||||||||||||
1976 | 45.97 | a | 50.32 | a | 51.81 | 56.47 | 70.03 | 77.43 | 82.58 | 77.94 | 72.70 | 63.87 | 54.83 | 45.32 | 62.44 | |||||||||||
1977 | 45.68 | 52.04 | 48.48 | 61.93 | 62.77 | 78.60 | 83.65 | 82.48 | 74.77 | 66.13 | a | 57.83 | 51.68 | 63.84 | ||||||||||||
1978 | 47.19 | 48.64 | 55.77 | 57.60 | 67.26 | 78.87 | 84.06 | 79.68 | 73.80 | 67.87 | a | 51.13 | 40.68 | 62.71 | ||||||||||||
1979 | 40.58 | 45.43 | 52.06 | 59.90 | 66.65 | 77.30 | 81.71 | 76.97 | 77.57 | 65.61 | 50.53 | 47.03 | 61.78 | |||||||||||||
1980 | 48.65 | 50.71 | a | 51.52 | 58.93 | 63.68 | 74.97 | 84.35 | 80.97 | 75.31 | a | 65.74 | 54.53 | 51.06 | 63.37 | |||||||||||
1981 | 50.55 | 50.46 | 53.03 | 63.37 | 68.93 | a | 82.38 | a | 85.29 | 83.94 | 78.30 | 62.19 | 55.10 | 48.42 | 65.16 | |||||||||||
1982 | 44.71 | 51.64 | 53.06 | 61.18 | b | 67.39 | 73.87 | 81.32 | 82.16 | 73.30 | 62.90 | 50.77 | 44.26 | 62.21 | ||||||||||||
1983 | 47.81 | 49.96 | 53.42 | 54.73 | 68.26 | 75.20 | 81.52 | 77.32 | 77.83 | 64.55 | 53.03 | 47.00 | 62.55 | |||||||||||||
1984 | 47.55 | 48.24 | 55.90 | 58.55 | a | 73.32 | 76.60 | 82.13 | a | 80.97 | 77.40 | 61.39 | 50.87 | 44.83 | a | 63.15 | ||||||||||
1985 | 43.84 | 45.18 | 50.74 | 63.77 | 68.52 | 79.17 | 84.45 | 81.55 | 68.60 | 63.94 | 50.13 | 47.40 | a | 62.27 | ||||||||||||
1986 | 49.35 | 51.61 | 56.94 | 60.69 | a | 68.90 | 79.24 | a | 78.86 | c | 83.73 | a | 69.03 | 61.10 | 55.00 | a | 46.00 | 63.37 | ||||||||
1987 | 43.73 | a | 49.50 | 51.35 | 63.13 | 68.61 | 79.13 | 79.32 | 81.52 | 74.76 | a | 67.06 | 52.07 | 41.48 | 62.64 | |||||||||||
1988 | 43.85 | e | 49.97 | 53.27 | a | 58.41 | a | 68.16 | 75.50 | 83.52 | 79.23 | 74.38 | a | 68.82 | c | 54.00 | 44.32 | 62.78 | ||||||||
1989 | 42.03 | b | 46.88 | c | 57.81 | 66.83 | 68.83 | a | 77.90 | 84.87 | 78.83 | b | 74.03 | a | 63.90 | a | 55.00 | 45.81 | 63.56 | |||||||
1990 | 42.26 | 45.25 | 56.03 | 63.00 | n | 66.84 | 78.23 | 83.71 | 78.58 | 75.20 | 64.33 | g | 53.85 | c | 40.30 | a | 62.03 | b | ||||||||
1991 | 44.06 | 53.54 | 47.84 | 57.93 | 65.17 | a | 73.79 | b | 80.00 | a | 80.52 | 76.48 | a | 68.23 | 53.50 | 46.06 | 62.26 | |||||||||
1992 | 45.20 | a | 52.39 | a | 52.81 | 62.83 | 70.90 | 75.52 | a | 80.83 | b | 82.66 | b | 76.43 | 66.35 | 52.63 | c | 42.29 | 63.40 | |||||||
1993 | 45.07 | a | 47.81 | a | 56.16 | 62.69 | a | 70.39 | 76.37 | 79.35 | 80.10 | 74.86 | a | 66.30 | a | 49.90 | 44.52 | 62.79 | ||||||||
1994 | 46.87 | 46.21 | 57.00 | d | 61.11 | k | 67.45 | 81.59 | a | 84.20 | a | 84.39 | 77.73 | 63.33 | a | 47.55 | a | 44.83 | a | 63.74 | a | |||||
1995 | 47.30 | a | 54.07 | a | 54.27 | a | 58.97 | 65.61 | 74.67 | 83.65 | 85.42 | 79.48 | a | 66.87 | a | 57.90 | a | 48.89 | c | 64.76 | ||||||
1996 | 47.70 | a | 53.11 | a | 56.45 | b | 63.56 | c | 71.72 | b | 78.83 | a | 86.73 | a | 83.62 | b | 75.75 | b | 63.73 | a | 55.90 | 47.07 | a | 65.35 | ||
1997 | 47.65 | 49.58 | b | 58.28 | b | 61.57 | 76.37 | a | 76.62 | a | 80.57 | a | 84.74 | 78.00 | 63.76 | b | 55.37 | 44.96 | d | 64.79 | ||||||
1998 | 46.25 | c | 46.96 | a | 52.48 | b | ----- | z | 63.71 | 73.10 | a | 84.65 | 83.32 | 74.79 | a | 63.20 | a | 52.17 | a | 45.70 | a | 62.39 | a | |||
1999 | 47.48 | b | 48.61 | e | 53.27 | a | 55.28 | a | 68.31 | b | 76.07 | 81.55 | 81.57 | a | 76.10 | a | 67.58 | e | 55.85 | c | 47.97 | a | 63.30 | |||
2000 | 48.30 | a | 49.71 | e | 53.69 | b | 64.14 | a | 72.03 | 79.73 | 82.48 | 82.15 | d | 74.61 | b | 63.07 | b | 48.45 | a | 47.48 | 63.82 | |||||
2001 | 44.32 | 45.86 | 56.28 | b | 59.18 | b | 75.10 | 79.77 | 80.58 | 82.90 | 78.41 | c | 67.42 | 56.53 | 42.52 | 64.07 | ||||||||||
2002 | 44.58 | 47.00 | 50.43 | a | 61.20 | 68.84 | 79.60 | 85.23 | 80.45 | 76.10 | 62.43 | a | 55.47 | 44.83 | a | 63.01 | ||||||||||
2003 | 50.94 | 49.54 | b | 54.84 | 56.70 | 69.39 | 78.34 | a | 85.55 | 80.45 | 77.13 | 71.03 | 49.79 | b | 44.90 | a | 64.05 | |||||||||
2004 | 45.19 | e | 46.23 | c | 61.27 | a | 61.10 | a | 70.06 | 77.63 | 83.39 | 81.67 | a | 73.96 | c | 63.53 | a | 49.80 | 46.40 | a | 63.35 | |||||
2005 | 47.31 | b | 49.56 | a | 53.15 | d | 56.86 | a | 69.65 | 75.17 | 83.84 | 81.42 | 72.77 | 64.30 | a | 55.90 | 46.32 | 63.02 | ||||||||
2006 | 45.13 | 49.46 | 48.67 | a | 56.33 | 71.13 | a | 80.90 | 86.71 | 80.47 | a | 73.93 | 63.00 | a | 54.83 | 44.19 | 62.90 | |||||||||
2007 | 41.81 | 48.18 | 56.20 | a | 60.72 | a | 69.42 | 76.32 | b | 83.97 | a | 83.52 | 74.93 | a | 63.32 | 56.36 | b | 42.26 | 63.08 | |||||||
2008 | 42.77 | 47.50 | a | 54.33 | a | 59.45 | a | 65.83 | a | 79.55 | a | 83.77 | 81.87 | 75.77 | d | 63.74 | d | 56.87 | 44.79 | c | 63.02 | |||||
2009 | 48.50 | a | 46.78 | a | 52.59 | d | 56.56 | c | 74.28 | b | 75.17 | a | 84.48 | 81.13 | a | 78.43 | b | 58.90 | j | 54.32 | b | 43.48 | 63.25 | a | ||
2010 | 45.15 | e | 48.21 | 50.93 | b | 55.78 | c | 64.00 | c | 76.45 | a | 84.68 | 81.26 | 75.07 | 64.10 | 51.69 | a | 47.81 | 62.09 | |||||||
2011 | 46.20 | a | 44.15 | a | 53.84 | 59.83 | a | 64.55 | 74.83 | a | 80.87 | 83.90 | b | 77.22 | c | 65.23 | a | 49.45 | a | 42.37 | a | 61.87 | ||||
2012 | 47.00 | 48.18 | a | 51.19 | d | 59.27 | 71.73 | a | 77.59 | a | 81.16 | 82.33 | a | 77.89 | b | 66.27 | a | 54.93 | a | 45.87 | 63.62 | |||||
2013 | 42.84 | 46.46 | 57.26 | d | 62.96 | b | 70.54 | c | 79.52 | c | 84.48 | 79.78 | d | 73.83 | 60.50 | a | 53.23 | 46.04 | c | 63.12 | ||||||
2014 | 50.13 | a | 52.11 | a | 56.86 | b | 61.97 | a | 68.83 | a | 78.72 | a | 84.58 | 79.17 | a | 77.13 | 67.07 | a | 54.47 | 47.46 | c | 64.88 | ||||
2015 | 47.29 | 54.30 | a | 59.90 | a | 60.27 | 65.14 | b | 79.03 | 79.20 | a | 83.77 | 78.34 | a | 69.30 | a | 51.17 | a | 43.28 | b | 64.25 | |||||
2016 | 44.97 | 50.58 | j | 57.04 | h | 61.89 | b | 66.78 | d | 81.70 | c | 84.66 | b | 82.94 | 73.38 | d | 67.62 | b | 55.80 | 45.61 | c | 66.53 | b | |||
2017 | 45.17 | b | 51.14 | g | 58.10 | b | 61.93 | b | 66.55 | 79.57 | 86.21 | c | 81.61 | m | 66.00 | x | 65.22 | d | 57.28 | e | 47.04 | g | 65.00 | d | ||
2018 | 48.15 | e | 47.62 | t | 52.89 | m | 62.19 | n | 67.92 | g | 74.53 | k | 81.43 | j | 77.68 | l | 70.95 | k | 63.59 | n | 51.40 | j | 44.52 | h | 48.15 | k |
2019 | 44.88 | o | 39.88 | l | 50.21 | q | 60.18 | m | 57.00 | s | ----- | z | 80.14 | q | ----- | z | 67.07 | o | 54.93 | c | 51.64 | e | 44.31 | e | 50.29 | i |
2020 | 46.05 | i | 40.67 | n | 46.06 | m | 52.00 | g | 57.26 | l | 67.10 | i | 80.20 | u | 84.00 | p | 75.91 | h | 57.27 | a | 51.54 | d | 46.33 | d | 51.71 | i |
2021 | 46.08 | f | 50.41 | a | 45.27 | e | 59.62 | i | 59.07 | d | 77.45 | a | 85.68 | 76.77 | a | 71.48 | c | 61.29 | c | 58.90 | a | 45.85 | e | 63.22 | b | |
2022 | 46.09 | i | 48.24 | c | 56.52 | b | 63.55 | a | 62.29 | j | 72.00 | l | 80.00 | i | 82.05 | l | 76.40 | t | 60.47 | p | 49.33 | r | 43.71 | n | 56.10 | i |
2023 | 44.59 | n | 42.87 | e | 50.07 | p | 59.14 | i | 56.67 | d | 66.52 | g | 83.19 | j | 78.36 | q | 70.35 | g | 63.11 | m | 52.04 | c | 48.43 | j | 50.52 | i |
2024 | 45.17 | g | 49.87 | f | 52.30 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 52.30 | k |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 44.48 | 48.01 | 52.89 | 59.79 | 67.70 | 76.61 | 82.67 | 81.11 | 74.96 | 63.97 | 52.64 | 45.18 | 62.59 | |||||||||||||
S.D. | 3.23 | 3.20 | 3.48 | 3.04 | 3.37 | 2.89 | 2.33 | 2.33 | 2.55 | 3.01 | 3.05 | 2.48 | 1.34 | |||||||||||||
SKEW | -1.07 | -0.06 | 0.04 | -0.25 | -0.39 | -0.35 | -0.91 | -0.33 | -0.54 | -0.30 | -0.29 | 0.12 | -0.67 | |||||||||||||
MAX | 50.94 | 54.30 | 61.27 | 66.83 | 76.37 | 82.38 | 86.73 | 86.68 | 79.48 | 71.03 | 58.90 | 51.68 | 65.35 | |||||||||||||
MIN | 30.57 | 40.11 | 45.27 | 50.37 | 56.67 | 68.41 | 73.37 | 74.23 | 67.90 | 54.93 | 44.60 | 39.68 | 58.73 | |||||||||||||
YRS | 83 | 84 | 86 | 82 | 85 | 85 | 84 | 81 | 84 | 86 | 88 | 86 | 71 |