YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1925 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 76.19 | 73.39 | 70.10 | 63.77 | 50.73 | 52.26 | 64.41 | f | ||||||
1926 | 47.16 | 52.67 | a | 61.29 | 68.70 | 64.65 | 75.00 | 79.16 | 76.35 | 69.97 | 65.65 | 55.53 | 47.55 | 63.64 | ||||||||||||
1927 | 46.55 | 54.00 | 55.45 | 64.00 | 68.83 | a | 79.90 | 75.84 | 77.45 | 68.83 | 61.94 | 52.52 | a | 41.35 | 62.22 | |||||||||||
1928 | 43.23 | 51.52 | 57.84 | 57.60 | 74.31 | e | 68.96 | g | 77.48 | 77.43 | a | 71.31 | a | 60.38 | b | 52.17 | 45.29 | c | 60.78 | a | ||||||
1929 | 38.93 | b | 43.11 | a | 54.06 | 56.83 | 66.55 | 71.17 | 79.94 | 81.03 | 75.77 | d | 66.58 | 51.23 | 47.35 | 61.05 | ||||||||||
1930 | 34.77 | 51.18 | 58.68 | 64.50 | 63.55 | 71.57 | 76.97 | a | 80.23 | 70.97 | 61.68 | 51.86 | a | 45.68 | 60.97 | |||||||||||
1931 | 49.90 | 52.00 | 56.45 | 64.38 | a | 71.87 | a | 70.68 | b | 77.87 | 76.17 | b | 68.50 | d | 61.30 | a | 48.77 | 43.48 | 61.78 | |||||||
1932 | 42.60 | a | 47.17 | 53.00 | 60.27 | 64.73 | a | 73.93 | 72.41 | b | 75.24 | b | 74.30 | g | 62.97 | 53.63 | 42.53 | a | 58.95 | a | ||||||
1933 | 42.90 | 43.75 | 52.71 | 61.10 | a | 60.50 | a | 69.53 | 76.94 | 78.70 | a | 66.60 | 69.00 | r | 51.17 | 48.81 | 59.34 | a | ||||||||
1934 | 49.74 | 58.36 | 63.32 | 67.73 | 69.84 | 73.63 | 74.61 | 78.35 | 72.07 | 65.10 | 53.52 | a | 47.93 | a | 64.52 | |||||||||||
1935 | 44.23 | 52.54 | 48.55 | 61.50 | 70.00 | 73.43 | 76.77 | 79.13 | 75.37 | 59.97 | 48.33 | 46.37 | a | 61.35 | ||||||||||||
1936 | 47.60 | a | 41.65 | c | 52.48 | 63.63 | 69.29 | 71.77 | 77.03 | 80.23 | 73.60 | 67.43 | a | 55.43 | 46.03 | 62.18 | ||||||||||
1937 | 35.61 | 46.54 | 56.29 | 55.52 | a | 66.48 | 73.07 | 76.68 | 75.03 | 72.83 | 65.45 | 53.33 | 47.55 | 60.37 | ||||||||||||
1938 | 46.37 | a | 48.96 | 52.68 | 61.93 | 68.63 | a | 73.87 | 80.39 | 74.77 | 75.43 | 63.58 | 49.27 | 46.48 | 61.86 | |||||||||||
1939 | 46.19 | 45.00 | 54.90 | 63.20 | 69.13 | 68.67 | 76.65 | 79.55 | 72.83 | 61.71 | 55.00 | 49.52 | 61.86 | |||||||||||||
1940 | 47.42 | 50.14 | 57.29 | 62.03 | 71.42 | 77.37 | 77.29 | 79.84 | 73.00 | 63.84 | 48.93 | a | 49.23 | 63.15 | ||||||||||||
1941 | 47.81 | 56.18 | 63.87 | 64.30 | 66.10 | 70.90 | 82.45 | 75.65 | 66.27 | 60.48 | 53.83 | 47.23 | 62.92 | |||||||||||||
1942 | 43.65 | 49.82 | 54.45 | 60.93 | 64.42 | 69.60 | 77.35 | 77.61 | 74.23 | 64.48 | 50.43 | 47.52 | 61.21 | |||||||||||||
1943 | 40.45 | 53.64 | 52.90 | 63.00 | 64.06 | 71.07 | 77.84 | 76.29 | 78.47 | 62.84 | 56.77 | 47.83 | a | 62.10 | ||||||||||||
1944 | 46.35 | 50.31 | 55.10 | 59.87 | 67.10 | 73.03 | 79.13 | 77.35 | 76.53 | 68.00 | 52.53 | 45.87 | 62.60 | |||||||||||||
1945 | 48.94 | 49.89 | 50.87 | 57.47 | 67.87 | 73.67 | 82.48 | 78.55 | 67.54 | b | 63.42 | 51.03 | a | 46.17 | b | 61.49 | ||||||||||
1946 | 46.61 | 48.18 | 53.87 | 60.73 | 71.13 | 69.53 | 77.71 | 79.03 | 71.73 | 59.35 | 50.40 | 45.84 | 61.18 | |||||||||||||
1947 | 40.47 | a | 53.18 | 59.58 | 64.67 | 71.65 | 71.93 | 78.74 | 76.90 | 74.30 | 61.42 | 53.20 | 48.61 | 62.89 | ||||||||||||
1948 | 46.74 | 46.41 | 52.61 | 56.43 | 64.90 | 75.53 | 77.84 | 74.61 | 72.43 | 64.26 | 49.90 | 43.03 | 60.39 | |||||||||||||
1949 | 36.39 | 45.54 | 55.71 | 62.07 | 71.68 | 73.31 | a | 76.84 | 78.39 | 76.33 | 61.32 | 60.17 | 46.35 | 62.01 | ||||||||||||
1950 | 35.52 | 45.68 | 51.23 | a | 59.47 | 66.87 | 72.13 | 77.97 | 81.17 | a | 75.76 | a | 59.10 | 53.07 | 50.26 | 60.68 | ||||||||||
1951 | 45.13 | 50.04 | 49.35 | 67.63 | 67.84 | 76.93 | 78.94 | 78.48 | 75.67 | 61.90 | 52.00 | a | 43.71 | 62.30 | ||||||||||||
1952 | 39.35 | 47.14 | 50.13 | 62.70 | 66.58 | 69.33 | 79.58 | 77.94 | 77.97 | 69.74 | 49.23 | 47.90 | 61.47 | |||||||||||||
1953 | 51.42 | 51.11 | 53.48 | 58.77 | 65.32 | 67.50 | 78.16 | 76.42 | 73.97 | 64.13 | 55.13 | 48.61 | 62.00 | |||||||||||||
1954 | 43.10 | 51.57 | 54.77 | 58.67 | 67.18 | c | 66.33 | 72.35 | 73.23 | 69.77 | 62.55 | 56.00 | 45.90 | 60.12 | ||||||||||||
1955 | 44.58 | 48.04 | 48.29 | 54.50 | 64.29 | 70.43 | 70.77 | 76.94 | 71.87 | 61.71 | 46.73 | 45.97 | 58.68 | |||||||||||||
1956 | 45.71 | 41.17 | 52.03 | 65.52 | a | 71.77 | 67.30 | 78.97 | 76.16 | 72.77 | 59.77 | 50.67 | 46.10 | 60.66 | ||||||||||||
1957 | 38.71 | 47.61 | 53.67 | a | 61.57 | 68.81 | 71.93 | 76.26 | 74.74 | 79.67 | 62.32 | 52.47 | 48.16 | 61.33 | ||||||||||||
1958 | 49.97 | 55.79 | 54.84 | 60.03 | 73.39 | 73.37 | 82.39 | 83.23 | 73.80 | 67.68 | 53.10 | 50.47 | a | 64.84 | ||||||||||||
1959 | 48.13 | 48.89 | 55.45 | 62.57 | 64.94 | 70.37 | 79.10 | 77.13 | 67.93 | 63.94 | 53.37 | 47.23 | 61.59 | |||||||||||||
1960 | 42.87 | 51.00 | 53.87 | 59.23 | 63.00 | 72.90 | 81.97 | a | 75.32 | 71.87 | 62.94 | 52.93 | 46.55 | 61.20 | ||||||||||||
1961 | 51.23 | 51.89 | 54.81 | 57.63 | 65.65 | 76.67 | 79.42 | 81.81 | 71.90 | 61.10 | 50.57 | 46.65 | 62.44 | |||||||||||||
1962 | 45.61 | 51.82 | 53.71 | 62.33 | 60.65 | 71.20 | 75.58 | 74.71 | 72.30 | 63.32 | 54.57 | 48.94 | 61.23 | |||||||||||||
1963 | 41.97 | 57.32 | 54.26 | 57.03 | 68.87 | 69.03 | 72.55 | 75.35 | 75.27 | 63.10 | 52.70 | 46.10 | 61.13 | |||||||||||||
1964 | 47.17 | a | 51.28 | 52.55 | 57.27 | 63.81 | 68.17 | 74.87 | 73.32 | 70.07 | 65.03 | 48.83 | 43.35 | 59.64 | ||||||||||||
1965 | 46.10 | 50.18 | 59.65 | 62.43 | 63.68 | 71.20 | 79.55 | 77.97 | 71.13 | 66.48 | 54.83 | 44.68 | 62.32 | |||||||||||||
1966 | 44.61 | 50.71 | 54.55 | 62.37 | 68.26 | 71.53 | 75.10 | 79.39 | 75.00 | 62.81 | 54.07 | 49.58 | 62.33 | |||||||||||||
1967 | 48.84 | 51.68 | 51.55 | 57.00 | 68.00 | 75.20 | 80.00 | 86.16 | 79.57 | 62.71 | 54.70 | 45.84 | 63.44 | |||||||||||||
1968 | 45.65 | 56.83 | 57.84 | 59.10 | 65.68 | 71.20 | 78.97 | 74.48 | 70.63 | 60.87 | 53.13 | 42.52 | 61.41 | |||||||||||||
1969 | 36.32 | 47.79 | 58.29 | 59.40 | 69.16 | 73.87 | 76.06 | 75.87 | 71.83 | 62.00 | 53.47 | 47.45 | 60.96 | |||||||||||||
1970 | 45.52 | 56.50 | 56.35 | 56.40 | 66.48 | 75.43 | 78.29 | 78.97 | 69.50 | 61.13 | 53.80 | 44.45 | 61.90 | |||||||||||||
1971 | 44.32 | 49.82 | 50.13 | 59.10 | 66.65 | 66.57 | 76.90 | 81.61 | 70.90 | 59.35 | 50.57 | 42.97 | a | 59.91 | ||||||||||||
1972 | 43.35 | 48.38 | 55.19 | 56.43 | 69.19 | 70.53 | 79.13 | 81.32 | 69.50 | 61.68 | 53.07 | 41.94 | 60.81 | |||||||||||||
1973 | 44.94 | 52.75 | 54.68 | 61.57 | 69.23 | 70.47 | 78.13 | 73.84 | 73.73 | 60.71 | 48.60 | 48.39 | 61.42 | |||||||||||||
1974 | 42.90 | 47.86 | 52.45 | 57.67 | 61.58 | 72.57 | 74.45 | 78.45 | 79.10 | 66.65 | ----- | z | 48.45 | 62.01 | a | |||||||||||
1975 | 45.48 | 47.50 | 52.26 | 55.70 | 66.90 | 68.97 | 76.29 | 71.68 | 75.57 | 59.48 | 51.23 | 47.13 | 59.85 | |||||||||||||
1976 | 47.13 | 48.86 | 51.23 | 58.33 | 66.16 | 68.20 | 75.06 | 71.61 | 72.27 | 63.06 | 54.40 | 45.32 | 60.14 | |||||||||||||
1977 | 43.42 | 54.32 | 51.65 | 63.50 | 62.42 | 72.50 | 74.39 | 81.19 | 69.20 | 62.29 | 50.20 | 47.48 | 61.05 | |||||||||||||
1978 | 47.32 | 51.54 | 59.03 | 59.70 | 64.16 | 75.13 | 76.68 | 76.45 | 68.60 | 66.03 | 47.73 | 42.35 | 61.23 | |||||||||||||
1979 | 38.61 | 46.82 | 59.03 | 59.77 | 68.29 | 74.67 | 79.23 | 76.19 | 75.10 | 64.94 | 52.60 | 49.61 | 62.07 | |||||||||||||
1980 | 42.00 | 48.66 | 53.00 | 63.93 | 65.71 | 67.40 | 77.29 | 74.71 | 71.77 | 66.84 | 52.60 | 48.48 | 61.03 | |||||||||||||
1981 | 51.06 | 51.61 | 59.35 | 59.63 | 65.48 | 69.17 | 76.06 | 82.35 | 74.57 | 61.65 | 54.80 | 46.65 | 62.70 | |||||||||||||
1982 | 42.42 | 48.89 | 54.42 | 58.03 | 67.32 | 74.53 | 74.81 | 77.10 | 72.80 | 62.61 | 50.23 | 46.00 | a | 60.76 | ||||||||||||
1983 | 48.45 | 53.29 | 57.00 | 62.33 | 69.42 | 69.17 | 72.97 | 77.61 | 70.53 | 62.68 | 53.90 | a | 40.48 | 61.49 | ||||||||||||
1984 | 47.97 | 51.41 | 57.74 | 57.93 | 63.68 | 68.97 | ----- | z | 79.58 | 72.97 | 58.84 | 51.07 | 42.53 | a | 59.34 | a | ||||||||||
1985 | 44.03 | 46.61 | 53.74 | 61.87 | 67.48 | 73.20 | 84.03 | 79.06 | 69.53 | 61.55 | 43.37 | 41.97 | 60.54 | |||||||||||||
1986 | 50.29 | 50.18 | 60.65 | 60.10 | 66.84 | 75.77 | 72.10 | 81.68 | 70.10 | 65.23 | 52.17 | 46.10 | 62.60 | |||||||||||||
1987 | 45.68 | 53.04 | 55.81 | 63.67 | 68.84 | 74.27 | 74.23 | 78.97 | 76.10 | 70.16 | 54.37 | 43.93 | a | 63.25 | ||||||||||||
1988 | 44.74 | 51.52 | 55.87 | 61.07 | 64.81 | 70.43 | 77.13 | 76.61 | 72.87 | 63.45 | 51.97 | 46.84 | 61.44 | |||||||||||||
1989 | 46.10 | a | 43.07 | 51.13 | 65.03 | 67.00 | 73.50 | 73.23 | 74.48 | 78.03 | 62.94 | 53.13 | 46.74 | 61.20 | ||||||||||||
1990 | 47.77 | a | 46.32 | 58.68 | 62.47 | 64.32 | 69.40 | 80.10 | 78.84 | 74.20 | 60.74 | 52.43 | 39.81 | 61.26 | ||||||||||||
1991 | 45.65 | 56.50 | 52.71 | 58.77 | 62.32 | 67.30 | 78.32 | 78.00 | 76.17 | 65.81 | 52.47 | 46.42 | 61.70 | |||||||||||||
1992 | 49.39 | 56.38 | 62.32 | 63.20 | 73.06 | 76.50 | 78.32 | 80.42 | 71.80 | 64.39 | 51.40 | 44.55 | 64.31 | |||||||||||||
1993 | 42.35 | 51.00 | 57.10 | 58.73 | 70.55 | 70.23 | 70.35 | 76.74 | 76.17 | 65.71 | 48.53 | 45.61 | 61.09 | |||||||||||||
1994 | 49.58 | 46.43 | 59.77 | 61.77 | 68.77 | 70.17 | 78.74 | 78.23 | 76.40 | 62.48 | 47.17 | 46.90 | 62.20 | |||||||||||||
1995 | 50.84 | 53.54 | 57.61 | 59.14 | b | 70.00 | 71.67 | 77.77 | 75.32 | 75.63 | 62.13 | 55.50 | 47.67 | a | 63.07 | |||||||||||
1996 | 47.13 | 51.24 | 56.84 | 60.47 | ----- | z | 70.70 | 80.52 | 78.77 | 69.17 | 60.94 | 51.27 | 46.52 | 61.23 | a | |||||||||||
1997 | 45.74 | 51.14 | 53.84 | 60.07 | 70.48 | ----- | z | 76.48 | 79.87 | ----- | z | 60.10 | 57.23 | 46.06 | 60.10 | b | ||||||||||
1998 | 47.65 | 53.14 | 56.42 | 60.63 | 62.26 | 70.30 | 78.45 | 79.77 | 77.83 | 62.52 | 52.87 | 44.81 | 62.22 | |||||||||||||
1999 | 47.38 | r | ----- | z | 51.14 | x | 60.60 | 63.87 | a | 67.97 | 74.29 | 76.94 | 76.83 | 63.84 | 54.77 | 48.61 | 65.30 | c | ||||||||
2000 | 45.52 | 51.14 | 53.61 | 63.80 | 66.60 | a | 73.76 | a | 77.00 | 77.10 | 73.87 | 62.61 | 50.10 | a | 46.00 | 61.76 | ||||||||||
2001 | 47.13 | 51.04 | 56.26 | 57.62 | a | 69.65 | 69.43 | ----- | z | 77.80 | a | 73.31 | a | ----- | z | 54.47 | 46.55 | 60.32 | b | |||||||
2002 | 45.03 | a | 52.00 | 51.42 | 60.33 | 64.45 | ----- | z | 79.42 | 80.19 | 76.67 | 64.19 | 55.70 | 49.48 | 61.72 | a | ||||||||||
2003 | 51.61 | ----- | z | 55.47 | a | 59.77 | 67.39 | 76.17 | 82.81 | 80.90 | 76.93 | 65.29 | 50.33 | 47.16 | 64.89 | a | ||||||||||
2004 | 43.00 | 53.21 | 59.58 | 66.90 | 68.48 | 74.90 | 81.84 | 80.03 | 71.13 | 63.71 | 52.00 | 48.03 | 63.57 | |||||||||||||
2005 | 48.81 | 54.61 | 61.16 | 60.97 | 69.61 | 70.03 | 79.23 | 81.81 | 73.23 | 62.45 | 50.83 | 45.84 | 63.21 | |||||||||||||
2006 | 49.58 | 51.00 | 55.67 | a | 65.04 | b | 71.03 | b | 74.41 | a | 80.79 | c | 80.21 | b | 78.22 | c | 64.10 | a | 51.28 | a | 46.10 | 63.95 | ||||
2007 | 44.70 | a | 51.00 | 59.21 | b | 61.87 | 69.83 | a | 73.00 | 79.84 | 78.52 | 72.63 | 61.16 | 52.20 | ----- | z | 64.00 | a | ||||||||
2008 | 43.90 | j | 53.00 | a | 52.74 | 58.70 | 68.42 | 70.37 | 79.63 | a | 79.55 | 76.47 | 63.32 | 54.90 | 41.90 | 63.55 | a | |||||||||
2009 | 45.68 | 50.54 | 52.13 | 62.93 | 70.71 | 75.23 | 84.71 | 80.19 | 78.00 | 62.10 | 52.80 | 42.77 | 63.15 | |||||||||||||
2010 | 51.32 | 55.82 | 58.10 | 59.60 | 64.16 | 69.37 | 77.35 | 78.84 | 72.60 | 64.26 | 50.73 | 47.71 | 62.49 | |||||||||||||
2011 | 46.84 | 46.71 | 52.48 | 55.10 | 63.58 | 69.77 | 76.19 | 79.23 | 78.20 | 60.84 | 50.87 | 44.87 | 60.39 | |||||||||||||
2012 | 46.16 | 50.31 | 52.19 | 63.10 | 67.90 | 69.93 | 76.68 | 81.74 | 77.70 | 64.35 | 53.20 | 45.71 | 62.42 | |||||||||||||
2013 | 42.87 | 51.05 | i | ----- | z | ----- | z | 60.00 | t | 74.45 | a | 80.30 | d | 79.78 | v | ----- | z | 61.48 | d | 53.38 | f | 42.54 | c | 60.33 | g | |
2014 | 47.69 | b | 49.20 | h | 56.20 | a | 59.90 | 68.97 | 71.00 | 79.77 | 80.58 | 75.73 | 69.29 | 53.03 | 50.23 | 64.76 | a | |||||||||
2015 | 51.13 | 58.07 | 64.42 | 64.13 | 68.45 | 78.73 | 82.26 | 82.55 | 73.53 | 68.65 | 51.60 | 47.06 | 65.88 | |||||||||||||
2016 | 49.13 | 57.14 | 58.93 | a | 69.53 | 72.39 | 75.67 | 77.35 | 83.94 | 73.86 | b | 61.70 | a | 56.70 | 41.45 | 64.82 | ||||||||||
2017 | 41.07 | a | 49.04 | 53.77 | 59.50 | 70.10 | 74.83 | 81.37 | a | 84.45 | 79.10 | 64.45 | 52.50 | 46.03 | a | 63.02 | ||||||||||
2018 | 50.42 | 47.82 | 55.68 | 62.10 | 72.71 | 75.45 | a | 83.71 | 81.47 | a | 73.93 | a | 64.29 | 54.07 | a | 47.77 | 64.12 | |||||||||
2019 | 49.71 | 43.57 | 59.13 | 62.83 | 72.06 | 74.43 | 78.03 | 80.13 | 71.13 | 60.93 | a | 53.80 | 47.32 | 62.76 | ||||||||||||
2020 | 49.81 | 51.83 | 54.81 | 64.83 | 70.61 | 73.03 | 79.16 | 81.50 | a | 77.40 | 64.29 | 52.40 | 48.84 | 64.04 | ||||||||||||
2021 | 49.81 | 46.89 | 56.65 | 67.00 | 69.06 | 79.14 | a | 80.72 | b | 80.48 | 75.77 | 61.90 | 54.60 | 44.20 | a | 63.85 | ||||||||||
2022 | 48.60 | a | 51.18 | 57.35 | 57.97 | 65.37 | a | 73.63 | 82.77 | 85.97 | b | 79.31 | a | 71.23 | 50.21 | a | 44.77 | 64.03 | ||||||||
2023 | 49.47 | a | 48.36 | 54.03 | 59.17 | 75.21 | c | 75.82 | b | 83.67 | a | 84.87 | a | 75.54 | b | 65.40 | a | 54.07 | a | 51.21 | c | 64.73 | ||||
2024 | 46.78 | d | 53.38 | 56.97 | a | 63.55 | h | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 52.37 | i | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 45.63 | 50.48 | 55.38 | 61.01 | 67.53 | 72.18 | 77.93 | 78.42 | 73.59 | 63.32 | 52.34 | 46.23 | 62.04 | |||||||||||||
S.D. | 3.86 | 3.67 | 3.34 | 3.11 | 3.13 | 2.94 | 2.94 | 2.96 | 3.18 | 2.53 | 2.51 | 2.45 | 1.36 | |||||||||||||
SKEW | -0.81 | -0.15 | 0.41 | 0.35 | 0.02 | 0.25 | -0.12 | 0.16 | -0.08 | 0.80 | -0.31 | -0.34 | 0.40 | |||||||||||||
MAX | 51.61 | 58.36 | 64.42 | 69.53 | 75.21 | 79.90 | 84.71 | 86.16 | 79.67 | 71.23 | 60.17 | 52.26 | 65.88 | |||||||||||||
MIN | 34.77 | 41.17 | 48.29 | 54.50 | 60.50 | 66.33 | 70.35 | 71.61 | 66.27 | 58.84 | 43.37 | 39.81 | 58.68 | |||||||||||||
YRS | 97 | 95 | 97 | 97 | 96 | 95 | 97 | 98 | 96 | 97 | 97 | 98 | 83 |