YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1929 | ----- | z | ----- | z | ----- | z | 52.38 | n | 54.82 | c | 59.14 | b | 77.00 | c | 78.77 | 74.77 | 64.33 | g | ----- | z | ----- | z | 68.90 | g | ||
1930 | ----- | z | ----- | z | ----- | z | 61.15 | q | 58.35 | 73.77 | 73.94 | 72.48 | 69.13 | 57.48 | 45.47 | ----- | z | 64.37 | e | |||||||
1931 | ----- | z | ----- | z | ----- | z | 53.40 | 60.35 | 76.30 | 77.00 | 73.65 | 69.07 | 60.42 | ----- | z | ----- | z | 67.17 | e | |||||||
1932 | ----- | z | ----- | z | ----- | z | 53.83 | 59.75 | k | 74.12 | e | 77.05 | i | 72.35 | 69.33 | 59.53 | a | 53.37 | 29.52 | f | 63.76 | f | ||||
1933 | 30.07 | b | ----- | z | ----- | z | 58.10 | 68.33 | a | 76.38 | a | 82.74 | 78.60 | a | 78.40 | 67.00 | 55.23 | 45.80 | a | 64.07 | b | |||||
1934 | 41.19 | 44.57 | 55.90 | 60.50 | 69.97 | a | 76.30 | 80.60 | a | 78.81 | 68.80 | 65.39 | 49.33 | 37.42 | 60.73 | |||||||||||
1935 | 38.97 | 39.46 | 46.71 | 54.37 | 55.77 | 71.93 | b | 77.77 | 74.74 | 69.67 | 61.26 | 46.87 | 38.39 | 56.33 | ||||||||||||
1936 | 37.19 | 39.03 | 51.16 | 56.53 | 65.45 | 76.17 | 75.77 | 72.55 | 64.03 | 53.03 | 50.47 | 40.10 | 56.79 | |||||||||||||
1937 | 45.54 | c | 41.37 | a | 42.29 | 56.37 | 63.06 | 68.83 | 73.16 | 78.77 | 72.03 | 63.32 | 53.17 | 43.94 | 58.49 | |||||||||||
1938 | 38.73 | a | 42.26 | a | 46.00 | 55.37 | 61.19 | 72.43 | 75.80 | a | 78.58 | 69.10 | 62.23 | 45.50 | 42.42 | 57.47 | ||||||||||
1939 | 34.87 | 32.18 | 46.74 | 56.87 | 65.87 | 76.77 | 79.06 | 75.97 | a | 71.93 | 60.87 | 52.67 | 50.76 | f | 59.44 | a | ||||||||||
1940 | 34.86 | b | 37.24 | 48.74 | 57.14 | a | 65.55 | 73.90 | 77.65 | 73.90 | 69.60 | 64.26 | 44.83 | 35.97 | 56.97 | |||||||||||
1941 | 33.39 | 40.14 | ----- | z | 50.03 | 62.57 | a | 68.37 | 73.23 | 73.65 | 68.87 | 58.52 | 53.83 | 44.42 | 57.00 | a | ||||||||||
1942 | 38.90 | 36.71 | 42.63 | a | 56.14 | a | 63.10 | 72.83 | 76.58 | 75.90 | 69.34 | a | 59.58 | 57.00 | 40.90 | 57.47 | ||||||||||
1943 | 40.83 | b | 44.79 | 46.81 | 61.97 | 66.55 | 76.88 | m | 78.45 | 78.94 | 71.17 | 60.57 | a | 50.83 | 30.70 | a | 57.42 | a | ||||||||
1944 | 32.19 | 37.62 | 40.50 | a | 49.57 | 62.27 | a | 74.13 | 76.45 | 78.35 | 69.70 | 63.03 | 45.37 | 40.65 | 55.82 | |||||||||||
1945 | 35.43 | a | 41.54 | 46.87 | 54.96 | c | 69.13 | a | 75.69 | a | 82.42 | 81.10 | 73.79 | a | 67.73 | a | 53.03 | a | 39.71 | 60.12 | ||||||
1946 | 35.39 | 44.30 | a | 53.87 | a | 65.60 | 65.32 | 83.17 | 81.16 | 78.23 | 74.77 | 60.74 | 43.68 | b | 42.59 | d | 60.73 | |||||||||
1947 | 32.70 | a | 46.64 | 48.87 | a | 57.50 | 66.84 | 71.79 | b | 79.84 | 74.84 | 74.60 | 62.76 | b | 41.63 | 36.90 | b | 57.91 | ||||||||
1948 | 36.28 | b | 39.62 | p | 38.10 | 54.56 | n | 65.50 | y | 72.97 | 79.61 | m | 77.42 | 74.87 | 61.97 | 46.48 | g | 40.94 | 57.50 | e | ||||||
1949 | 29.23 | 36.93 | 48.13 | 55.74 | g | 64.55 | 71.87 | 75.50 | a | 75.74 | 72.27 | 59.32 | 61.44 | n | 38.35 | 57.19 | b | |||||||||
1950 | 37.84 | 45.64 | 49.16 | 59.97 | 65.65 | 75.73 | 74.00 | 75.19 | 67.10 | 69.32 | 53.23 | 47.90 | 60.06 | |||||||||||||
1951 | 39.58 | 43.11 | 45.77 | 53.50 | 63.65 | 74.40 | 81.10 | 76.58 | 73.57 | 61.23 | 43.95 | i | 34.96 | c | 58.86 | a | ||||||||||
1952 | 38.16 | 37.07 | 39.55 | 54.90 | 64.52 | 78.53 | 77.23 | 76.90 | 71.00 | b | 65.84 | 38.37 | 33.10 | 56.26 | ||||||||||||
1953 | 40.03 | 37.96 | 48.23 | 50.58 | k | ----- | z | 81.30 | 78.10 | 77.03 | 74.97 | 61.76 | b | 42.13 | 35.37 | a | 57.69 | b | ||||||||
1954 | 39.50 | a | 50.96 | 46.26 | 62.93 | a | 66.70 | a | 77.20 | 78.23 | 77.10 | 72.90 | 65.45 | 55.17 | 43.19 | 61.30 | ||||||||||
1955 | 35.97 | 38.04 | 47.41 | d | 55.33 | 63.16 | 71.60 | 76.65 | 75.00 | 72.97 | 64.90 | 49.80 | 42.97 | 57.82 | ||||||||||||
1956 | 45.35 | 35.79 | 51.26 | 56.60 | 68.94 | 78.83 | 79.10 | 76.10 | 77.57 | 63.42 | 46.21 | b | 44.90 | a | 60.34 | |||||||||||
1957 | 38.71 | 48.07 | 45.97 | 54.63 | 58.27 | a | 73.67 | 77.81 | 73.42 | 70.80 | 57.00 | 39.50 | 41.29 | 56.59 | ||||||||||||
1958 | 40.84 | 44.61 | 41.39 | 50.83 | 65.65 | 76.40 | 79.87 | a | 77.48 | 71.73 | 61.61 | 52.00 | 49.77 | 59.35 | ||||||||||||
1959 | 41.10 | 41.21 | 47.29 | 56.67 | 63.65 | 75.50 | 78.84 | 74.29 | 71.20 | 61.20 | a | 51.80 | 43.19 | 58.83 | ||||||||||||
1960 | ----- | z | 33.86 | a | 46.83 | a | 59.03 | 64.45 | 76.00 | 77.68 | f | 77.71 | 72.77 | 63.55 | ----- | z | 38.35 | 59.17 | c | |||||||
1961 | 38.58 | 46.93 | 52.42 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 66.45 | s | 63.32 | 46.80 | 39.86 | q | 49.61 | g | |||||
1962 | 30.68 | c | 40.75 | 42.39 | 59.73 | 67.19 | 73.87 | 74.25 | s | 78.87 | p | ----- | z | 65.87 | 50.23 | 40.73 | a | 52.38 | c | |||||||
1963 | 32.26 | 41.91 | e | 38.24 | n | 59.97 | 70.19 | 75.83 | 80.10 | 74.61 | 71.43 | 65.90 | 53.48 | i | 46.40 | p | 63.58 | c | ||||||||
1964 | 39.55 | 35.62 | h | 40.23 | a | 50.87 | 67.31 | b | 74.47 | ----- | z | ----- | z | 67.09 | h | 64.40 | a | 46.77 | 32.68 | f | 54.80 | e | ||||
1965 | 36.56 | f | 39.79 | 41.71 | 55.73 | 63.07 | a | 69.27 | 76.03 | 73.62 | b | 66.37 | 69.50 | o | 52.77 | 44.29 | 58.26 | b | ||||||||
1966 | 37.61 | 38.43 | 52.32 | 58.00 | 69.94 | 75.00 | 81.39 | 75.03 | a | 71.40 | 63.68 | 54.47 | 41.74 | 59.92 | ||||||||||||
1967 | 42.26 | 43.64 | 53.94 | 58.57 | 64.68 | 74.70 | 78.71 | 72.13 | 69.43 | 64.03 | 53.40 | 35.94 | 59.29 | |||||||||||||
1968 | 37.35 | 44.07 | 48.81 | 51.83 | 63.61 | 77.07 | 75.70 | a | 71.40 | a | 69.27 | 62.39 | 45.87 | 38.77 | 57.18 | |||||||||||
1969 | 41.97 | 37.14 | 38.23 | a | 56.47 | 65.06 | 69.40 | 77.03 | 75.87 | 68.60 | 53.87 | a | 46.40 | 39.84 | 55.82 | |||||||||||
1970 | 37.26 | 45.29 | 41.84 | 49.67 | 64.84 | 70.37 | 78.48 | 76.68 | 68.55 | a | 53.58 | 49.43 | 43.10 | 56.59 | ||||||||||||
1971 | 40.03 | a | 40.46 | 47.90 | 54.47 | 61.29 | 74.53 | 77.06 | 71.47 | a | 66.53 | 57.42 | 47.84 | e | 34.74 | 56.15 | ||||||||||
1972 | 37.84 | 44.17 | 55.26 | 57.17 | 64.65 | 74.37 | 76.42 | e | 73.48 | 68.83 | 59.77 | a | 38.80 | 38.00 | a | 57.40 | ||||||||||
1973 | 33.52 | 38.50 | 42.10 | 46.63 | 62.16 | 72.40 | 77.29 | 76.79 | b | 67.55 | a | 62.20 | a | 51.04 | b | 42.41 | b | 56.05 | ||||||||
1974 | 33.03 | a | 37.18 | 53.07 | b | 55.80 | 68.61 | 75.03 | 76.72 | b | 71.47 | a | 69.31 | a | 60.63 | a | 48.60 | 34.39 | 56.99 | |||||||
1975 | 33.29 | 36.25 | 42.71 | 49.70 | 61.32 | 73.23 | 74.68 | 76.26 | 67.33 | 64.48 | 48.23 | 35.74 | 55.27 | |||||||||||||
1976 | 34.30 | a | 44.34 | 44.97 | 55.03 | 63.90 | 73.53 | 75.83 | a | 74.26 | 71.29 | p | 57.55 | 48.60 | 30.32 | 54.79 | a | |||||||||
1977 | 32.23 | 38.39 | 41.06 | 55.40 | 63.39 | 76.45 | a | 74.87 | 75.61 | 70.07 | 64.06 | 47.97 | 43.06 | 56.88 | ||||||||||||
1978 | 39.45 | 40.96 | 49.10 | 58.93 | 62.62 | b | 74.43 | 79.53 | a | 76.00 | 71.27 | 64.10 | 47.10 | 33.45 | 58.08 | |||||||||||
1979 | 32.65 | 38.25 | 45.61 | 53.87 | 60.55 | 69.97 | 77.87 | 74.00 | 73.07 | a | 65.00 | 41.27 | 44.74 | 56.40 | ||||||||||||
1980 | 40.03 | 43.62 | 44.35 | 51.60 | 59.55 | 77.53 | 82.13 | 75.77 | 71.47 | 60.03 | 50.80 | 50.16 | 58.92 | |||||||||||||
1981 | 46.71 | 47.14 | 45.23 | 59.17 | 62.74 | 78.28 | a | 77.84 | 72.90 | a | 69.07 | b | 58.81 | 52.60 | 44.77 | 59.60 | ||||||||||
1982 | 36.03 | 36.11 | 44.10 | k | 54.09 | h | 61.92 | f | 71.33 | 77.10 | 74.55 | b | 68.10 | a | 56.57 | q | 45.14 | b | 38.10 | 55.81 | d | |||||
1983 | 39.32 | 40.75 | 45.17 | h | ----- | z | ----- | z | 69.63 | 77.74 | 76.68 | 73.73 | 61.45 | 46.67 | 36.29 | 58.03 | c | |||||||||
1984 | 33.71 | 39.03 | 43.42 | 50.97 | 68.61 | 71.57 | 76.26 | 74.03 | 70.40 | 50.77 | 49.57 | 40.13 | 55.71 | |||||||||||||
1985 | 33.32 | 36.86 | 43.84 | 56.90 | 62.87 | 74.33 | 77.42 | 78.00 | 68.67 | 61.03 | 48.30 | 44.48 | 57.17 | |||||||||||||
1986 | 48.00 | a | 46.36 | 54.52 | 57.33 | 64.71 | 71.87 | 77.52 | 76.61 | 67.20 | 55.68 | 45.70 | 32.90 | 58.20 | ||||||||||||
1987 | 32.35 | 38.00 | 40.71 | 55.57 | 60.52 | 74.50 | 78.58 | 73.84 | 68.83 | 64.10 | 47.80 | 37.26 | 56.00 | |||||||||||||
1988 | 33.74 | 44.24 | 47.48 | 54.57 | 63.48 | 73.43 | 76.23 | 74.10 | 68.00 | 64.32 | 47.60 | 38.87 | 57.17 | |||||||||||||
1989 | 35.63 | a | 38.68 | 52.43 | a | 61.38 | a | 66.08 | g | 72.41 | a | 77.74 | 73.35 | 69.83 | 59.74 | 52.30 | 34.23 | 57.07 | a | |||||||
1990 | 34.48 | 36.64 | 46.58 | 56.57 | 61.65 | 79.30 | 73.94 | 72.39 | 71.43 | 64.77 | 50.32 | b | 35.97 | 57.00 | ||||||||||||
1991 | 34.84 | 44.57 | 44.29 | 57.27 | 67.42 | 75.13 | 76.42 | 75.55 | 68.86 | a | 63.65 | 42.23 | 35.74 | 57.16 | ||||||||||||
1992 | 33.26 | 40.28 | 48.87 | 61.83 | 66.74 | 72.53 | 78.52 | 79.68 | 75.30 | 66.58 | 40.03 | 35.35 | 58.25 | |||||||||||||
1993 | 38.74 | 35.89 | 48.16 | 54.87 | 63.97 | 77.10 | 80.14 | b | 73.81 | 71.03 | 58.52 | 41.53 | 39.25 | g | 58.52 | a | ||||||||||
1994 | ----- | z | 39.82 | 45.07 | a | 53.86 | a | 65.37 | a | 77.47 | 78.87 | 76.23 | 70.13 | 58.61 | 45.77 | 46.52 | 59.79 | a | ||||||||
1995 | 37.77 | 50.11 | 49.90 | 53.21 | a | 59.42 | 70.53 | 77.45 | 77.71 | 69.41 | a | 64.06 | 55.06 | l | 36.62 | j | 60.96 | b | ||||||||
1996 | ----- | z | ----- | z | ----- | z | 55.40 | 72.52 | 76.73 | 78.42 | 75.61 | 66.93 | 59.10 | a | 50.76 | a | 39.48 | 63.88 | c | |||||||
1997 | 35.32 | 39.00 | 52.32 | 49.40 | 64.03 | 72.70 | 78.39 | 76.03 | a | 71.87 | 60.74 | 45.43 | 35.84 | 56.76 | ||||||||||||
1998 | 42.29 | 39.29 | 45.35 | 50.57 | 67.55 | 75.10 | 76.97 | 74.73 | a | 73.30 | 58.63 | a | 49.63 | 44.32 | 58.14 | |||||||||||
1999 | 43.55 | 48.00 | 53.03 | a | 51.97 | 62.10 | b | 72.40 | 75.97 | 73.55 | 70.23 | 64.20 | a | 58.90 | 39.03 | 59.41 | ||||||||||
2000 | 42.90 | 47.75 | a | 49.26 | 59.33 | 70.29 | 76.13 | 79.87 | 78.29 | 74.27 | 58.61 | 41.97 | 41.68 | 60.03 | ||||||||||||
2001 | 37.93 | a | 41.57 | 46.19 | 57.03 | 67.55 | 77.77 | 79.39 | 76.58 | 73.76 | a | 64.42 | 50.73 | 39.87 | 59.40 | |||||||||||
2002 | 38.35 | 40.36 | 47.74 | 62.97 | 67.29 | 80.23 | 77.71 | 80.29 | 70.23 | 57.77 | 47.50 | 36.06 | 58.88 | |||||||||||||
2003 | 43.97 | 38.68 | 46.10 | 56.47 | 67.23 | 74.17 | 84.23 | 77.97 | 70.90 | 65.97 | 45.73 | 42.16 | 59.46 | |||||||||||||
2004 | 39.65 | 36.14 | 54.68 | 52.93 | 68.10 | 75.67 | 76.42 | 73.97 | 70.30 | 55.52 | 46.50 | 39.32 | 57.43 | |||||||||||||
2005 | 42.74 | 40.07 | 44.29 | 55.13 | 64.42 | 74.00 | 81.35 | 74.70 | a | 73.17 | 60.52 | 51.53 | 42.67 | a | 58.72 | |||||||||||
2006 | 42.68 | 45.82 | 47.45 | 60.87 | 70.10 | 78.77 | 77.75 | g | 73.32 | 64.80 | 58.87 | 52.27 | 33.65 | 57.14 | a | |||||||||||
2007 | 28.32 | 40.18 | 50.29 | 55.57 | 63.19 | 75.77 | 77.52 | 79.61 | 71.47 | 64.00 | 55.50 | 35.10 | 58.04 | |||||||||||||
2008 | 31.63 | a | 39.24 | 46.68 | 55.13 | 63.00 | 78.14 | a | 77.61 | 75.34 | b | 69.04 | f | 62.23 | 51.97 | 39.19 | 56.38 | a | ||||||||
2009 | 37.61 | 43.75 | 49.24 | b | 55.03 | 68.48 | 70.27 | 80.23 | 78.39 | 69.80 | 54.74 | 52.07 | 32.81 | 57.70 | ||||||||||||
2010 | 37.20 | a | 35.50 | 43.16 | 55.17 | a | 64.45 | 79.17 | 77.90 | 78.19 | 76.70 | 62.68 | 47.27 | 47.00 | 58.70 | |||||||||||
2011 | 39.74 | 36.57 | 53.03 | 57.97 | a | 62.77 | 79.80 | 82.00 | 81.48 | 70.57 | 60.74 | 46.77 | 33.55 | 58.75 | ||||||||||||
2012 | 41.60 | a | 40.97 | 52.45 | 60.97 | 67.90 | 81.53 | 81.13 | 79.61 | 72.87 | 64.23 | 56.03 | 37.29 | 61.38 | ||||||||||||
2013 | 28.71 | 38.46 | 49.74 | 56.07 | a | 66.00 | 81.37 | 77.90 | 78.00 | 71.90 | 59.19 | 46.57 | 37.26 | 57.60 | ||||||||||||
2014 | 43.19 | 45.54 | 50.13 | 54.00 | 62.48 | 76.67 | 79.06 | 74.00 | 74.57 | 65.55 | 46.17 | 40.61 | 59.33 | |||||||||||||
2015 | 41.90 | 45.96 | 52.32 | 57.20 | 60.52 | 77.03 | 76.16 | 76.97 | 75.27 | 64.16 | 48.33 | 39.77 | 59.63 | |||||||||||||
2016 | 36.77 | 46.72 | 53.58 | 54.87 | 63.74 | 76.62 | n | 86.11 | v | 76.50 | k | ----- | z | ----- | z | ----- | z | ----- | z | 51.14 | g | |||||
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 | 41.36 | e | 36.87 | 39.12 | j | |
2019 | 36.40 | a | 38.43 | 47.77 | 58.00 | a | 60.55 | 73.60 | 78.45 | 79.55 | 74.67 | 60.55 | 51.37 | 36.26 | 57.97 | |||||||||||
2020 | 37.74 | 41.14 | 50.74 | 58.67 | 71.60 | a | 77.97 | 81.35 | 82.00 | 73.69 | a | 66.42 | 52.07 | a | 38.19 | 60.97 | ||||||||||
2021 | 37.26 | 40.07 | 47.59 | b | 57.77 | d | 66.32 | 76.63 | 76.70 | a | 77.48 | 76.38 | a | 61.40 | a | 57.45 | a | 45.33 | a | 60.03 | ||||||
2022 | 39.35 | 32.83 | p | 47.76 | b | 60.43 | 71.52 | 76.67 | 80.43 | h | 74.59 | b | 74.21 | a | 58.81 | 45.66 | a | 40.97 | 59.00 | b | ||||||
2023 | 36.47 | a | 39.56 | a | 43.81 | 57.90 | 65.65 | 72.34 | a | 84.31 | b | 79.35 | 72.43 | 64.25 | c | 52.40 | 38.13 | a | 58.88 | |||||||
2024 | 34.94 | 42.76 | 47.61 | 59.74 | g | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 41.77 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 37.48 | 41.03 | 47.30 | 56.03 | 64.70 | 74.75 | 78.04 | 76.00 | 71.11 | 61.60 | 48.64 | 39.50 | 58.16 | |||||||||||||
S.D. | 4.14 | 3.92 | 4.19 | 3.50 | 3.45 | 3.48 | 2.31 | 2.43 | 2.83 | 3.52 | 4.48 | 4.29 | 1.55 | |||||||||||||
SKEW | 0.07 | 0.36 | -0.05 | -0.05 | -0.17 | -0.79 | 0.42 | 0.23 | 0.16 | -0.59 | -0.16 | 0.21 | 0.21 | |||||||||||||
MAX | 48.00 | 50.96 | 55.90 | 65.60 | 72.52 | 83.17 | 84.31 | 82.00 | 78.40 | 69.32 | 58.90 | 50.16 | 61.38 | |||||||||||||
MIN | 28.32 | 32.18 | 38.10 | 46.63 | 54.82 | 59.14 | 73.16 | 71.40 | 64.03 | 50.77 | 38.37 | 30.32 | 55.27 | |||||||||||||
YRS | 86 | 85 | 84 | 85 | 86 | 90 | 84 | 89 | 87 | 89 | 85 | 83 | 63 |