YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1933 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 78.68 | 76.48 | f | 64.61 | b | ----- | z | ----- | z | ----- | z | 71.64 | j | |
1934 | 42.90 | 48.39 | 57.39 | 58.87 | 64.77 | 65.73 | 78.52 | 78.35 | 68.47 | 59.77 | 49.10 | 45.13 | 59.78 | |||||||||||||
1935 | 41.03 | 46.71 | 44.77 | 53.77 | 58.19 | 70.63 | 74.77 | 76.48 | 71.47 | 57.74 | 45.83 | 42.52 | 56.99 | |||||||||||||
1936 | 42.32 | 43.62 | 51.35 | 55.90 | 64.61 | 72.43 | 78.13 | 77.61 | 68.10 | 59.08 | e | 50.37 | 42.19 | 58.81 | ||||||||||||
1937 | 30.52 | 41.79 | 46.52 | 53.27 | 62.68 | 69.37 | 79.10 | 79.52 | 74.43 | 61.00 | 49.43 | 47.77 | 57.95 | |||||||||||||
1938 | 44.87 | 43.65 | b | 45.87 | a | 53.33 | 60.39 | 67.70 | 75.16 | 75.23 | 69.07 | 55.58 | 43.07 | 45.90 | 56.65 | |||||||||||
1939 | 41.63 | a | 38.75 | 48.16 | 55.87 | 60.81 | 67.23 | 75.52 | 80.26 | 69.73 | 59.90 | a | 51.07 | 41.52 | 57.54 | |||||||||||
1940 | 41.87 | 43.45 | 48.94 | 56.60 | 62.74 | 69.73 | 71.16 | 74.58 | 65.97 | 55.32 | 43.43 | 41.65 | 56.29 | |||||||||||||
1941 | 38.77 | 43.68 | 45.94 | 48.87 | 59.39 | 61.83 | 69.45 | 68.06 | 58.03 | 51.74 | 46.46 | f | 38.13 | h | 54.58 | b | ||||||||||
1942 | 40.87 | 37.75 | 43.29 | 51.80 | 55.26 | 64.43 | 75.94 | 73.10 | 59.63 | 55.74 | 46.30 | 37.71 | 53.48 | |||||||||||||
1943 | 38.00 | 42.89 | 49.45 | 53.87 | 61.77 | a | 62.77 | 72.45 | 72.81 | 67.20 | 52.55 | 40.33 | 38.84 | 54.41 | ||||||||||||
1944 | 33.84 | 36.14 | 44.58 | 49.07 | 57.45 | 60.17 | 68.84 | 70.35 | 65.37 | 53.87 | 42.70 | 36.65 | 51.58 | |||||||||||||
1945 | 35.16 | 39.32 | 40.13 | 48.27 | 58.52 | 66.37 | 76.19 | 74.16 | 66.87 | 56.97 | 46.50 | 35.03 | 53.62 | |||||||||||||
1946 | 39.45 | 36.44 | a | 44.94 | 53.67 | 58.03 | 67.43 | 74.00 | 74.58 | 65.03 | 50.71 | 42.10 | 41.74 | 54.01 | ||||||||||||
1947 | 37.19 | 42.86 | 48.42 | 55.27 | 62.71 | 67.93 | 73.19 | 71.87 | 69.87 | 55.33 | a | 42.87 | 39.06 | 55.55 | ||||||||||||
1948 | 38.06 | 38.46 | a | 42.35 | 52.20 | 57.84 | 65.03 | 71.28 | b | 73.81 | 67.87 | 56.65 | 42.60 | 33.61 | 53.31 | |||||||||||
1949 | 32.13 | 34.11 | 40.19 | 54.60 | 57.39 | 69.33 | 74.10 | 70.16 | 69.33 | 52.77 | 47.47 | 34.55 | 53.01 | |||||||||||||
1950 | 28.81 | 40.93 | 45.90 | 55.07 | 57.23 | 64.27 | 75.68 | 70.90 | 63.83 | a | 55.26 | 46.43 | 42.29 | 53.88 | ||||||||||||
1951 | 36.19 | 37.57 | 45.10 | a | 52.27 | 59.45 | 64.67 | 76.00 | 73.55 | 66.27 | 56.87 | 43.53 | 37.58 | 54.09 | ||||||||||||
1952 | 33.90 | 40.21 | 41.68 | 52.83 | 62.65 | 63.20 | 74.06 | 78.42 | 70.00 | 57.58 | 43.27 | 37.90 | 54.64 | |||||||||||||
1953 | 43.13 | 40.04 | 43.74 | 51.13 | 54.00 | f | 63.60 | 80.13 | 73.81 | 65.10 | a | 58.81 | 47.21 | b | 40.23 | a | 55.18 | a | ||||||||
1954 | 37.66 | b | 48.64 | 44.03 | 56.10 | 62.00 | b | 66.93 | 78.03 | 69.84 | 65.70 | 56.84 | 49.87 | 39.52 | 56.26 | |||||||||||
1955 | 36.87 | 38.54 | 45.19 | 49.40 | 58.58 | 64.33 | 74.00 | 76.00 | 65.67 | 57.39 | 45.87 | 38.90 | 54.23 | |||||||||||||
1956 | 39.00 | a | 34.31 | 42.93 | a | 50.30 | 59.61 | 67.70 | 74.29 | 69.10 | 69.62 | a | 53.23 | 46.30 | 42.10 | 54.04 | ||||||||||
1957 | 39.43 | a | 45.54 | 47.30 | a | 52.20 | 55.13 | 71.47 | 77.19 | 74.16 | 65.90 | 54.94 | 43.30 | 39.43 | a | 55.50 | ||||||||||
1958 | 40.93 | b | 45.14 | 43.00 | 53.48 | a | 64.13 | 67.80 | 72.71 | 78.42 | 70.60 | 60.77 | 46.57 | 39.68 | 56.94 | |||||||||||
1959 | 38.67 | a | 40.64 | 49.13 | 55.50 | 58.52 | 69.20 | 78.94 | 74.58 | 64.33 | 57.87 | 48.03 | 42.03 | 56.45 | ||||||||||||
1960 | 35.03 | b | 41.14 | 49.91 | h | 54.33 | 57.81 | 68.76 | a | 76.03 | 74.50 | c | 69.58 | d | 56.19 | 47.73 | 39.39 | 56.41 | a | |||||||
1961 | 44.10 | b | 45.57 | 47.19 | 53.83 | 58.71 | 70.60 | 77.45 | 77.00 | 65.73 | 55.10 | 46.93 | 40.87 | 56.92 | ||||||||||||
1962 | 44.65 | 42.89 | 41.13 | 57.00 | 56.83 | b | 65.19 | c | 75.23 | 74.90 | b | 68.72 | a | 55.66 | b | 47.03 | 42.10 | 55.94 | ||||||||
1963 | 35.35 | 48.29 | 46.03 | 49.57 | 60.87 | 65.30 | 73.68 | 76.68 | 70.77 | 59.68 | 48.33 | 38.48 | 56.09 | |||||||||||||
1964 | 36.03 | 40.00 | 43.48 | b | 52.10 | 57.39 | 65.23 | 74.94 | 75.19 | 65.43 | 60.97 | a | 43.93 | 39.52 | 54.52 | |||||||||||
1965 | 40.53 | a | 41.86 | 42.16 | 51.67 | 58.58 | 62.14 | a | 74.77 | 73.68 | 62.30 | 56.13 | a | 48.57 | 40.87 | a | 54.44 | |||||||||
1966 | 36.10 | 37.68 | 46.77 | 55.90 | 60.55 | 68.37 | 74.87 | 76.42 | 67.07 | 55.97 | 45.17 | 40.61 | 55.46 | |||||||||||||
1967 | 37.94 | 43.85 | a | 45.32 | 43.63 | 57.29 | 62.40 | 77.55 | 76.97 | 67.37 | 55.90 | 46.17 | 40.87 | 54.60 | ||||||||||||
1968 | 38.97 | 48.52 | 49.55 | 50.73 | 59.52 | 65.33 | 74.32 | 70.42 | 65.70 | 52.94 | 47.63 | 32.55 | 54.68 | |||||||||||||
1969 | 43.42 | 38.89 | 46.00 | 52.50 | 59.65 | 65.03 | 75.00 | a | 79.29 | 69.10 | 56.90 | 50.50 | 39.26 | 56.30 | ||||||||||||
1970 | 38.19 | 45.67 | a | 47.47 | a | 48.30 | 60.74 | 69.27 | 77.90 | 78.74 | 64.47 | 52.97 | 44.77 | 38.35 | 55.57 | |||||||||||
1971 | 40.20 | a | 43.43 | 46.37 | a | 50.24 | a | 55.39 | 65.23 | 76.52 | 76.87 | 67.00 | 51.10 | 41.31 | a | 35.75 | c | 54.12 | ||||||||
1972 | 34.03 | a | 42.38 | 50.67 | d | 52.69 | d | 60.10 | a | 68.34 | a | 77.97 | b | 73.46 | c | 65.69 | a | 55.62 | b | 44.53 | 38.43 | a | 55.33 | |||
1973 | 36.19 | 43.54 | 44.52 | 51.33 | 61.10 | 72.41 | a | 75.74 | 73.10 | 64.17 | 55.20 | a | 43.39 | b | 40.29 | 55.08 | ||||||||||
1974 | 37.77 | 42.22 | a | 47.57 | a | 54.47 | 59.13 | 69.83 | 76.45 | 71.41 | b | 70.63 | 57.87 | 45.36 | b | 37.07 | d | 55.82 | ||||||||
1975 | 36.70 | d | 36.45 | h | 42.62 | g | 46.70 | 57.83 | a | 65.79 | a | 75.71 | 70.61 | 69.03 | 54.26 | 44.13 | 41.87 | a | 56.26 | b | ||||||
1976 | 41.81 | 44.59 | b | 46.35 | 48.47 | 60.50 | a | 67.43 | 75.26 | 67.74 | 66.48 | a | 58.00 | 47.59 | a | 33.50 | u | 56.75 | a | |||||||
1977 | 41.29 | 45.54 | 40.55 | 51.14 | a | 55.07 | a | 68.20 | 75.62 | b | 76.26 | 66.90 | 58.00 | 47.24 | a | 43.23 | 55.75 | |||||||||
1978 | 42.83 | b | 44.04 | 49.77 | a | 50.07 | 57.45 | 67.41 | a | 74.61 | 72.10 | 67.90 | 61.42 | 46.79 | b | 37.53 | a | 55.99 | ||||||||
1979 | 37.61 | 39.07 | 45.07 | a | 50.20 | 60.03 | 67.53 | 72.48 | 69.65 | 67.27 | 54.89 | c | 42.90 | 38.62 | b | 53.78 | ||||||||||
1980 | 44.80 | a | 46.14 | 44.48 | 49.68 | b | 55.48 | 62.70 | 76.39 | 71.61 | 66.23 | 56.10 | 46.23 | 43.35 | 55.27 | |||||||||||
1981 | 42.84 | 43.71 | 46.26 | 54.67 | 60.48 | 72.70 | 77.58 | 76.84 | 69.57 | 55.07 | b | 46.70 | 40.81 | 57.27 | ||||||||||||
1982 | 38.65 | 43.82 | 48.10 | 52.50 | b | 58.68 | 62.40 | 72.83 | a | 75.10 | 65.83 | 54.35 | 45.23 | 39.13 | 54.72 | |||||||||||
1983 | 42.32 | 44.81 | a | 48.06 | 47.33 | 58.03 | a | 63.73 | 73.16 | 73.06 | 71.20 | 58.13 | 46.71 | b | 42.00 | 55.71 | ||||||||||
1984 | 42.45 | 42.36 | a | 47.26 | 50.33 | 63.06 | 66.87 | 76.29 | 73.39 | 68.27 | 51.90 | 42.20 | 39.52 | 55.32 | ||||||||||||
1985 | 37.39 | 39.43 | 42.26 | 52.07 | 58.10 | 67.17 | 76.55 | 71.13 | 60.83 | 53.87 | 44.45 | a | 42.10 | 53.78 | ||||||||||||
1986 | 41.61 | 45.89 | 48.65 | 51.70 | 58.35 | 68.60 | 70.00 | 76.10 | 60.77 | 53.58 | 49.43 | 38.74 | 55.29 | |||||||||||||
1987 | 36.00 | a | 43.32 | 44.74 | 56.50 | 60.74 | 68.69 | a | 70.32 | 74.06 | 66.53 | 59.71 | 46.87 | 35.52 | 55.25 | |||||||||||
1988 | 39.53 | a | 43.48 | 47.97 | 52.20 | 60.23 | 67.00 | 76.42 | 72.97 | 64.87 | 59.03 | a | 45.00 | 39.10 | 55.65 | |||||||||||
1989 | 39.48 | 40.93 | 48.84 | 58.23 | 60.19 | 67.30 | 77.19 | 71.94 | 64.79 | b | 56.06 | 50.76 | a | 42.30 | a | 56.50 | ||||||||||
1990 | 37.33 | a | 40.11 | 46.16 | 55.83 | 58.30 | a | 70.17 | 76.45 | 72.58 | 67.80 | 55.30 | a | 48.10 | 34.83 | a | 55.25 | |||||||||
1991 | 39.81 | 45.15 | a | 43.74 | 52.07 | 57.55 | 64.10 | 71.84 | 72.13 | 68.13 | 59.42 | 46.20 | 39.07 | a | 54.93 | |||||||||||
1992 | 41.60 | a | 48.59 | 46.39 | 53.43 | 61.55 | 65.03 | 71.81 | 74.48 | 66.03 | 54.90 | 45.20 | 38.65 | 55.64 | ||||||||||||
1993 | 41.87 | 43.18 | 49.90 | 54.27 | 61.58 | 65.17 | 66.65 | 69.48 | 62.07 | 54.35 | 41.20 | 34.65 | 53.70 | |||||||||||||
1994 | 37.90 | a | 37.75 | 49.13 | 54.47 | 59.00 | 70.67 | 74.58 | 77.90 | 69.30 | 53.74 | 40.73 | 39.87 | 55.42 | ||||||||||||
1995 | 42.84 | 48.57 | 48.29 | 51.60 | 56.97 | 64.28 | a | 72.61 | 75.58 | 69.53 | 53.23 | 45.27 | 39.29 | 55.67 | ||||||||||||
1996 | 39.74 | 44.86 | a | 47.55 | 53.83 | 60.84 | 65.20 | 78.06 | 74.61 | 65.90 | 54.87 | a | 47.73 | 38.37 | a | 55.96 | ||||||||||
1997 | 40.87 | 41.43 | 47.45 | 53.17 | 67.16 | 66.50 | 70.68 | 78.37 | a | 71.20 | 55.16 | 46.47 | 39.48 | 56.49 | ||||||||||||
1998 | 38.29 | 40.64 | 45.06 | 47.60 | 54.94 | 62.03 | 77.45 | 77.26 | 66.47 | 54.16 | 44.62 | a | 39.58 | 54.01 | ||||||||||||
1999 | 40.87 | 40.93 | 44.65 | 48.93 | a | 59.07 | a | 65.33 | 73.27 | a | 73.97 | a | 70.27 | 60.03 | 45.93 | 44.19 | 55.62 | |||||||||
2000 | 40.90 | 43.14 | 50.13 | a | 55.53 | 63.77 | a | 70.87 | 73.00 | 76.58 | 65.38 | a | 53.68 | 37.60 | 35.47 | a | 55.50 | |||||||||
2001 | 35.94 | 37.67 | a | 47.35 | 48.14 | a | 64.70 | a | 68.93 | a | 71.19 | 74.50 | a | 66.76 | a | 55.45 | 48.27 | 32.35 | 54.27 | |||||||
2002 | 35.10 | 36.61 | 42.35 | 52.37 | 57.87 | 66.90 | 77.71 | 69.71 | 66.17 | 51.47 | a | 45.90 | 36.10 | 53.19 | ||||||||||||
2003 | 43.76 | b | 40.35 | b | 47.90 | a | 49.20 | 60.23 | 67.48 | a | 77.77 | 76.71 | 69.04 | e | 60.27 | e | 39.86 | b | 37.31 | e | 55.82 | |||||
2004 | 36.90 | j | 41.25 | e | 53.32 | f | 54.26 | g | 60.85 | d | 67.42 | d | 74.96 | c | 74.50 | c | 66.33 | c | 54.23 | e | 43.75 | b | 39.67 | d | 58.11 | c |
2005 | 42.21 | g | 43.56 | c | 45.89 | d | ----- | z | 61.19 | e | 64.50 | d | 74.83 | g | 74.04 | c | 61.39 | b | 56.42 | g | 47.22 | c | 36.32 | 54.26 | d | |
2006 | 36.00 | a | 39.65 | b | 39.57 | a | 46.18 | b | 60.26 | 71.41 | c | 81.10 | 72.23 | 66.93 | c | 53.52 | 44.41 | a | 34.67 | a | 53.83 | |||||
2007 | 34.13 | a | 39.46 | 48.45 | b | 51.60 | 61.52 | 65.70 | 76.58 | 77.47 | a | 66.69 | a | 55.27 | a | 47.10 | 35.55 | b | 54.96 | |||||||
2008 | 34.29 | c | 38.45 | 42.90 | a | 47.48 | a | 55.83 | a | 67.68 | b | ----- | z | 74.65 | 66.93 | 53.13 | 48.52 | g | 39.55 | 52.09 | b | |||||
2009 | 39.71 | 38.75 | 42.16 | 47.97 | 62.70 | a | 65.03 | 77.26 | 71.48 | 69.13 | 51.81 | 44.47 | 37.58 | 54.00 | ||||||||||||
2010 | 40.58 | 44.43 | 41.63 | a | 46.50 | 54.07 | c | 65.50 | 75.00 | g | 73.87 | 63.57 | 54.25 | o | 41.61 | g | 42.68 | 52.54 | c | |||||||
2011 | 41.45 | 38.61 | 44.55 | b | 49.80 | 54.61 | 63.33 | 72.37 | a | 75.39 | 68.43 | 55.06 | 40.23 | 34.00 | 53.15 | |||||||||||
2012 | 37.00 | 41.07 | 42.83 | a | 52.27 | 61.26 | 67.50 | 73.55 | 77.93 | a | 68.93 | 55.86 | b | 43.93 | 39.26 | 55.12 | ||||||||||
2013 | 38.55 | 38.61 | 49.58 | 53.50 | 60.77 | 68.27 | 78.94 | 73.13 | 65.80 | 50.29 | 45.30 | 40.16 | 55.24 | |||||||||||||
2014 | 42.39 | 41.64 | c | 49.10 | 53.27 | 59.07 | a | 67.03 | 77.03 | 73.65 | 68.93 | 57.26 | 44.07 | 39.74 | h | 57.58 | a | |||||||||
2015 | 35.37 | a | 44.43 | 50.16 | 54.63 | 55.33 | d | 72.50 | 74.81 | 78.50 | a | 71.47 | 60.53 | a | 43.36 | b | 31.38 | g | 58.28 | a | ||||||
2016 | 38.65 | 42.07 | a | 46.42 | 48.03 | a | 57.68 | 69.47 | 75.00 | 77.19 | 63.21 | b | 57.80 | a | 45.60 | 40.66 | b | 55.15 | ||||||||
2017 | 41.26 | 45.96 | 50.07 | c | 53.97 | 58.68 | 69.28 | a | 80.77 | 76.42 | 70.32 | b | 58.16 | 51.67 | 45.67 | m | 59.69 | a | ||||||||
2018 | 41.35 | 40.79 | 45.57 | a | 52.67 | 58.04 | h | 67.43 | i | 80.84 | 80.73 | i | 70.33 | 57.32 | 45.53 | 39.71 | 52.68 | c | ||||||||
2019 | 40.40 | a | 36.00 | b | 46.19 | 52.93 | 55.50 | a | 68.47 | 74.03 | 75.29 | 67.30 | 50.13 | a | 44.23 | 40.47 | l | 55.50 | a | |||||||
2020 | 38.63 | a | 39.41 | 44.20 | a | 53.00 | 64.16 | 69.47 | 74.19 | 79.42 | 69.27 | 56.23 | 44.07 | a | 38.17 | a | 55.85 | |||||||||
2021 | 39.14 | c | 40.56 | c | 40.58 | 53.00 | 60.47 | a | 73.90 | 83.33 | a | 77.11 | c | 71.00 | 52.20 | a | 49.09 | h | 37.26 | 57.14 | a | |||||
2022 | 37.35 | 41.39 | 45.61 | 54.43 | 60.39 | 73.23 | 79.36 | f | 81.13 | 72.40 | 60.23 | 45.16 | k | 36.84 | 56.30 | b | ||||||||||
2023 | 38.70 | d | 35.79 | 43.94 | 51.23 | 60.45 | 64.77 | 79.39 | 76.97 | 67.03 | 57.00 | 45.33 | c | 40.00 | 55.05 | |||||||||||
2024 | 39.13 | 44.48 | 45.50 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 43.04 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 38.97 | 41.87 | 45.95 | 52.12 | 59.50 | 67.03 | 75.33 | 74.55 | 67.12 | 55.90 | 45.54 | 39.20 | 55.24 | |||||||||||||
S.D. | 3.21 | 3.39 | 3.03 | 2.94 | 2.64 | 2.91 | 2.93 | 2.93 | 2.89 | 2.72 | 2.70 | 2.92 | 1.36 | |||||||||||||
SKEW | -0.50 | -0.01 | 0.34 | -0.30 | 0.23 | 0.15 | -0.17 | -0.14 | -0.49 | 0.06 | -0.18 | 0.04 | 0.46 | |||||||||||||
MAX | 44.87 | 48.64 | 57.39 | 58.87 | 67.16 | 73.90 | 83.33 | 81.13 | 74.43 | 61.42 | 51.67 | 47.77 | 59.78 | |||||||||||||
MIN | 28.81 | 34.11 | 39.57 | 43.63 | 54.07 | 60.17 | 66.65 | 67.74 | 58.03 | 50.13 | 37.60 | 32.35 | 51.58 | |||||||||||||
YRS | 89 | 90 | 88 | 88 | 88 | 89 | 87 | 89 | 91 | 88 | 85 | 84 | 74 |