YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1936 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 57.17 | 43.03 | a | 31.28 | a | 28.03 | 39.88 | h | ||
1937 | 22.74 | 31.29 | 34.65 | 42.77 | 51.06 | 58.77 | 66.77 | 66.58 | 59.77 | 47.39 | 34.20 | 29.60 | a | 45.46 | ||||||||||||
1938 | 27.10 | 32.75 | 37.84 | 43.31 | a | 52.19 | 62.97 | 64.06 | 64.35 | 57.00 | 47.35 | 29.30 | 31.03 | 45.77 | ||||||||||||
1939 | 28.77 | 25.36 | 38.00 | 44.30 | 52.35 | 62.07 | 66.81 | 65.03 | a | 60.77 | 46.52 | 39.23 | 31.10 | 46.69 | ||||||||||||
1940 | 26.48 | 33.90 | 39.58 | 43.60 | 54.73 | a | 62.41 | c | 68.03 | 65.55 | 61.14 | a | 48.58 | 35.80 | 35.29 | 47.92 | ||||||||||
1941 | 32.13 | 37.14 | 38.52 | 43.77 | 54.71 | 60.90 | 65.71 | 64.81 | 59.97 | 49.63 | a | 38.07 | 31.94 | 48.11 | ||||||||||||
1942 | 32.29 | 31.68 | 36.55 | 44.63 | 49.58 | 59.57 | 67.90 | 66.00 | 58.07 | 47.87 | a | 36.73 | 30.74 | 46.80 | ||||||||||||
1943 | 31.61 | 34.86 | 36.84 | 46.97 | 52.97 | 63.03 | 67.03 | 68.23 | 59.10 | 44.55 | 31.93 | 29.55 | 47.22 | |||||||||||||
1944 | 24.52 | 30.17 | 35.45 | 39.67 | 49.81 | 58.63 | 65.74 | 64.81 | 56.63 | 49.29 | 34.04 | b | 26.48 | b | 44.60 | |||||||||||
1945 | 28.37 | a | 29.16 | c | 32.97 | 38.20 | 47.68 | 53.13 | 64.77 | 65.73 | a | 55.53 | 45.68 | 31.63 | 23.74 | 43.05 | ||||||||||
1946 | 23.87 | 25.46 | 33.87 | 46.80 | 48.58 | 60.27 | 60.87 | 59.71 | 62.93 | 42.50 | a | 33.84 | k | 30.13 | 45.00 | a | ||||||||||
1947 | 25.57 | a | 31.43 | 35.26 | 43.53 | 53.77 | 57.70 | 67.52 | 65.87 | a | 57.37 | 47.58 | 31.87 | 23.19 | 45.05 | |||||||||||
1948 | 21.61 | 30.83 | 33.42 | 45.86 | a | 51.97 | 61.73 | 65.65 | 65.23 | 58.83 | 46.74 | 26.45 | a | 29.55 | 44.82 | |||||||||||
1949 | 24.54 | g | 29.32 | 37.10 | 42.83 | a | 51.60 | a | 60.70 | 66.84 | 64.06 | 59.67 | 43.84 | 34.41 | h | 26.00 | 48.20 | b | ||||||||
1950 | 27.97 | 31.96 | 36.97 | 45.00 | 48.52 | 60.83 | 64.58 | 61.81 | 54.67 | 47.71 | 34.77 | 29.20 | a | 45.33 | ||||||||||||
1951 | 25.45 | 28.75 | 35.61 | 42.73 | 52.90 | 57.03 | 69.77 | 67.10 | 57.17 | 47.45 | 33.50 | 28.97 | 45.54 | |||||||||||||
1952 | 30.13 | 27.75 | a | 31.90 | 44.43 | 52.48 | 62.83 | 64.97 | 65.29 | 57.13 | 43.84 | 31.37 | 25.65 | 44.81 | ||||||||||||
1953 | 27.52 | 27.71 | 39.48 | 44.70 | 46.94 | 60.62 | a | 66.81 | 62.29 | 54.77 | 43.65 | 33.70 | 20.32 | 44.04 | ||||||||||||
1954 | 25.52 | 31.82 | 34.48 | 45.37 | 53.19 | 59.27 | 66.42 | 63.71 | 59.97 | 48.94 | 33.40 | 25.71 | 45.65 | |||||||||||||
1955 | 24.42 | 24.71 | 35.69 | e | 40.33 | 50.23 | 56.67 | 64.45 | 64.39 | 55.90 | 45.39 | 34.00 | 27.81 | 43.67 | ||||||||||||
1956 | 28.77 | 24.93 | 33.97 | 40.13 | 50.10 | 63.33 | 64.55 | 60.71 | 54.80 | 44.68 | 27.33 | 24.19 | 43.12 | |||||||||||||
1957 | 30.71 | 39.32 | 36.90 | 42.07 | 49.87 | 60.79 | a | 67.00 | 64.48 | 53.17 | a | 46.42 | 30.23 | 26.06 | 45.59 | |||||||||||
1958 | 23.48 | 32.64 | 35.35 | 42.43 | 51.90 | 62.90 | 64.84 | 65.42 | 59.07 | 47.45 | 34.69 | a | 26.55 | 45.56 | ||||||||||||
1959 | 26.65 | 31.00 | 32.90 | 45.77 | 49.00 | 63.10 | 65.45 | 65.00 | 54.93 | 44.84 | 32.13 | 29.06 | 44.99 | |||||||||||||
1960 | 24.45 | 25.10 | 36.32 | 42.97 | 49.00 | a | 64.00 | 65.42 | 65.16 | 58.30 | 45.06 | 34.90 | 23.16 | 44.49 | ||||||||||||
1961 | 25.40 | a | 28.14 | 35.29 | 41.53 | 48.74 | 59.67 | 64.52 | 64.39 | 54.90 | 40.94 | 31.03 | 28.84 | 43.62 | ||||||||||||
1962 | 23.16 | 32.61 | 30.81 | 44.80 | 47.58 | 55.40 | 63.65 | 62.35 | 57.83 | 46.74 | 36.03 | 30.61 | 44.30 | |||||||||||||
1963 | 22.13 | 30.18 | 33.71 | 40.83 | 50.03 | 55.80 | 67.19 | 64.45 | 58.93 | 46.58 | 33.69 | a | 22.52 | 43.84 | ||||||||||||
1964 | 18.35 | 18.30 | b | 32.26 | 40.57 | 50.19 | 56.80 | 65.77 | 63.29 | 57.63 | 42.29 | 31.97 | 25.68 | 41.93 | ||||||||||||
1965 | 27.77 | a | 26.86 | 31.55 | 42.67 | 49.90 | 55.67 | 66.00 | 62.81 | 57.03 | 41.03 | 36.90 | 29.32 | 43.96 | ||||||||||||
1966 | 23.06 | 24.00 | 34.35 | 42.23 | 50.26 | 58.47 | 67.90 | 63.61 | 56.53 | 42.97 | 36.30 | 26.03 | 43.81 | |||||||||||||
1967 | 22.77 | 29.71 | 38.87 | 45.23 | 49.00 | 59.57 | 67.97 | 63.00 | 56.57 | 42.74 | 34.23 | 26.19 | 44.66 | |||||||||||||
1968 | 27.81 | 34.76 | 35.48 | 40.10 | 48.77 | a | 58.43 | 64.23 | 61.26 | 53.10 | 43.94 | 33.87 | 23.03 | 43.73 | ||||||||||||
1969 | 28.71 | 28.07 | 29.71 | 44.80 | 51.35 | 59.83 | 68.13 | 68.52 | 59.40 | 46.84 | 34.73 | 28.87 | 45.75 | |||||||||||||
1970 | 24.87 | 31.36 | 35.00 | 38.73 | 49.03 | 59.17 | 67.29 | 65.48 | 58.10 | 40.45 | 31.20 | 28.29 | 44.08 | |||||||||||||
1971 | 24.42 | 27.50 | 35.03 | 39.80 | 49.06 | 58.70 | 66.52 | 63.58 | 57.03 | 44.77 | 35.10 | 28.74 | 44.19 | |||||||||||||
1972 | 25.19 | 29.07 | 39.03 | 40.83 | 49.19 | 60.30 | 65.87 | 63.48 | 57.10 | 49.71 | 29.93 | a | 27.94 | 44.80 | ||||||||||||
1973 | 25.42 | 30.86 | 34.00 | a | 37.87 | 49.71 | 58.50 | 64.26 | 62.26 | 57.63 | 42.81 | 32.43 | 23.77 | 43.29 | ||||||||||||
1974 | 24.10 | 23.11 | 37.23 | 41.00 | 52.84 | 61.80 | 64.58 | 60.81 | 55.90 | 47.65 | 33.40 | 24.81 | 43.93 | |||||||||||||
1975 | 23.32 | 27.68 | 32.19 | 36.33 | 45.87 | 56.70 | 63.65 | 62.58 | 54.50 | 42.26 | 31.27 | 26.42 | 41.90 | |||||||||||||
1976 | 24.03 | ----- | z | 34.58 | 42.27 | 49.90 | 59.38 | a | 63.10 | 62.65 | 56.60 | 40.00 | 30.50 | 23.10 | a | 44.19 | a | |||||||||
1977 | 26.65 | 29.79 | 32.10 | 42.90 | a | 47.84 | 61.93 | 66.40 | a | 65.77 | 58.66 | a | 46.32 | 34.17 | 28.16 | 45.06 | ||||||||||
1978 | ----- | z | 29.96 | 37.42 | 43.63 | 51.10 | 62.90 | 67.87 | 62.68 | 57.00 | 46.84 | 44.66 | a | 26.77 | 48.26 | a | ||||||||||
1979 | 26.26 | 28.89 | 33.55 | ----- | z | 47.80 | a | 55.59 | a | 64.10 | 60.39 | 54.80 | 41.97 | 28.74 | c | 24.71 | 42.44 | a | ||||||||
1980 | 27.94 | 33.46 | c | 33.38 | b | 39.30 | 47.87 | 59.10 | 67.23 | a | 63.00 | g | 57.04 | e | 40.45 | b | 29.32 | b | 27.61 | 42.06 | a | |||||
1981 | 30.83 | a | 30.00 | 34.70 | a | 45.83 | a | ----- | z | 63.33 | 67.33 | a | 62.35 | 57.17 | 46.06 | 34.41 | a | 29.87 | 45.63 | a | ||||||
1982 | 25.83 | a | 31.61 | 36.60 | a | 43.63 | 49.90 | 56.40 | 66.24 | b | 65.29 | 59.28 | a | 42.40 | a | 33.82 | b | 27.28 | b | 44.86 | ||||||
1983 | 26.33 | a | 30.37 | a | 35.10 | a | 37.27 | 47.03 | ----- | z | 65.80 | a | 65.58 | 61.10 | 48.16 | 36.07 | 26.80 | a | 43.60 | a | ||||||
1984 | 25.03 | 26.17 | 35.81 | 41.50 | 52.94 | 59.58 | d | 65.35 | 64.03 | a | 56.73 | 44.87 | a | 34.21 | a | 28.50 | a | 44.56 | ||||||||
1985 | 25.82 | c | 28.14 | 36.22 | d | 43.15 | d | 49.79 | c | 57.67 | 62.75 | c | 62.23 | a | 55.60 | ----- | z | ----- | z | 25.58 | 44.70 | b | ||||
1986 | 27.39 | 33.64 | 37.63 | a | 46.04 | b | 50.71 | 60.57 | 63.74 | 64.87 | 53.67 | 42.71 | 35.23 | 26.71 | 45.24 | |||||||||||
1987 | 23.23 | a | 28.86 | 32.71 | 40.87 | 48.61 | 58.63 | 61.35 | 62.71 | 53.07 | 47.97 | 32.63 | 23.54 | c | 42.85 | |||||||||||
1988 | 24.32 | 30.69 | 32.39 | 39.20 | 50.48 | 60.93 | 64.84 | 64.29 | 53.13 | 47.00 | 32.80 | 25.55 | 43.80 | |||||||||||||
1989 | 25.93 | d | 31.71 | 39.03 | a | 45.86 | a | 53.60 | a | 60.33 | 66.60 | a | 63.39 | 56.17 | 44.90 | b | 33.93 | 22.39 | 45.32 | |||||||
1990 | 23.59 | b | 25.85 | a | 37.06 | 45.37 | c | 49.07 | a | 64.63 | 64.47 | a | 59.31 | b | 58.74 | c | 41.85 | e | 35.00 | 26.00 | c | 44.24 | ||||
1991 | 27.66 | b | 32.41 | a | 33.96 | f | 39.88 | e | 47.73 | e | 57.04 | b | 63.66 | b | 62.86 | c | 54.63 | 43.45 | 31.14 | b | 29.86 | c | 44.57 | a | ||
1992 | 24.87 | a | 30.39 | a | 34.34 | b | 43.18 | b | 51.93 | a | 54.80 | e | 63.03 | 63.13 | a | 54.39 | b | 44.16 | 29.67 | 25.60 | f | 44.90 | a | |||
1993 | 31.30 | d | 30.90 | g | 35.60 | f | 42.19 | d | 51.65 | 58.59 | a | 64.94 | 64.33 | a | 55.10 | a | 41.52 | b | 29.19 | d | 26.15 | d | 46.49 | b | ||
1994 | 22.83 | b | 27.78 | a | 35.86 | c | 42.62 | a | 52.80 | a | 64.33 | 67.10 | a | 67.21 | b | 56.24 | a | 44.24 | b | 34.31 | d | 30.33 | a | 45.47 | ||
1995 | 27.18 | c | 35.54 | d | 37.23 | a | 38.10 | a | 50.07 | b | 59.90 | 63.00 | 67.07 | b | 57.00 | a | 43.27 | a | 34.77 | d | 27.33 | a | 45.04 | |||
1996 | 23.70 | a | 35.75 | a | 34.74 | 43.43 | 52.94 | 64.76 | a | 67.60 | a | 64.29 | 55.53 | 45.25 | c | 34.44 | c | 24.84 | 45.61 | |||||||
1997 | 25.73 | a | 28.19 | b | 37.58 | 41.92 | d | 54.42 | 58.10 | a | 65.52 | 64.80 | a | 62.60 | 42.69 | b | 34.62 | a | 25.13 | 45.11 | ||||||
1998 | 26.28 | b | 26.92 | b | 36.14 | c | 38.97 | a | 49.63 | a | 57.33 | c | 67.32 | 64.94 | 60.20 | 47.33 | a | 36.23 | 27.87 | a | 44.93 | |||||
1999 | 27.38 | b | 30.04 | 36.07 | a | 40.93 | b | 51.48 | b | 59.62 | a | 63.77 | 64.90 | 56.77 | 42.81 | 34.77 | 24.07 | c | 44.38 | |||||||
2000 | 27.31 | b | 31.04 | b | 36.57 | a | 44.53 | 55.11 | c | 62.83 | 66.77 | 64.73 | a | 53.72 | a | 46.58 | 29.43 | b | 25.69 | b | 45.36 | |||||
2001 | 23.48 | b | 29.08 | b | 36.10 | a | 42.14 | b | 52.54 | c | 62.07 | 67.73 | a | 65.23 | 56.97 | a | ----- | z | 36.80 | 22.25 | g | 47.21 | b | |||
2002 | 26.04 | d | 27.92 | b | 34.38 | e | 48.82 | b | 50.76 | b | 64.37 | 66.07 | c | 64.77 | a | 59.61 | b | 46.43 | c | 34.74 | c | 26.55 | b | 45.87 | ||
2003 | 29.63 | a | 31.04 | c | 36.57 | c | 39.85 | c | 53.22 | d | 60.19 | c | 68.23 | 66.71 | 59.37 | 48.62 | e | 36.37 | 24.73 | a | 46.21 | |||||
2004 | 30.97 | 27.32 | a | 41.45 | 42.42 | d | 52.79 | b | 59.79 | a | 66.33 | s | 61.87 | a | 53.08 | e | 45.48 | d | 33.93 | a | 26.96 | e | 43.28 | a | ||
2005 | 31.27 | a | 34.56 | a | 35.62 | e | 40.11 | b | 50.30 | a | 58.11 | b | 65.03 | a | 64.16 | 55.62 | d | 46.33 | a | 33.61 | b | 26.59 | d | 45.11 | ||
2006 | 25.85 | d | 30.12 | c | 36.48 | d | 44.86 | b | 53.89 | c | 63.10 | 68.10 | 64.32 | 54.93 | c | 45.03 | a | 34.90 | 24.90 | b | 45.54 | |||||
2007 | 27.04 | c | 27.58 | d | 34.93 | c | 41.75 | j | 51.84 | 59.86 | a | 65.73 | a | 65.42 | 58.46 | b | 44.08 | g | 35.79 | b | 26.27 | a | 45.29 | b | ||
2008 | 25.46 | e | 27.78 | f | 34.50 | g | 41.27 | 50.14 | c | 60.42 | d | 64.70 | a | 62.96 | e | 54.00 | b | 43.07 | a | 32.36 | b | 27.21 | c | 46.16 | b | |
2009 | 26.30 | a | 26.00 | f | 35.23 | e | 40.20 | j | 55.44 | d | 59.89 | b | 66.40 | a | 62.71 | c | 55.33 | 44.68 | f | 34.11 | c | 26.76 | b | 46.91 | c | |
2010 | 25.43 | c | 28.73 | f | 32.37 | d | 41.85 | d | 46.89 | c | 61.24 | a | 65.90 | b | 64.55 | b | 58.50 | b | 45.75 | c | 30.42 | d | 27.42 | e | 45.48 | a |
2011 | 20.70 | d | 21.58 | d | 37.42 | e | 46.96 | c | 49.39 | 61.69 | d | 68.57 | c | 67.40 | a | 57.20 | e | 43.34 | b | 31.84 | e | 24.64 | f | 46.01 | a | |
2012 | 25.85 | d | 27.96 | f | 30.82 | i | 43.88 | e | 51.45 | b | 59.44 | c | 67.20 | a | 65.46 | c | 57.54 | f | 44.17 | b | 34.68 | b | ----- | z | 49.02 | d |
2013 | 22.68 | 24.25 | 34.90 | 42.30 | 49.77 | 65.20 | ----- | z | 65.13 | 58.47 | 41.55 | b | 33.19 | d | 26.96 | c | 42.22 | a | ||||||||
2014 | 24.39 | 33.07 | 36.97 | 43.37 | 49.74 | 63.23 | 67.81 | 63.74 | 61.37 | 46.43 | a | 32.77 | 25.84 | 45.73 | ||||||||||||
2015 | 27.45 | 36.07 | 40.32 | 45.03 | 53.06 | 65.73 | 69.58 | 69.84 | 63.37 | 52.90 | 37.37 | 28.42 | 49.10 | |||||||||||||
2016 | 27.35 | 33.34 | 41.19 | d | 47.27 | 53.74 | 67.03 | 72.03 | 66.00 | 61.13 | 50.61 | 41.47 | 33.97 | 49.59 | ||||||||||||
2017 | 32.35 | 36.11 | 42.45 | 46.40 | 54.23 | 64.63 | 69.13 | 65.77 | 58.20 | 49.29 | 42.67 | 29.52 | 49.23 | |||||||||||||
2018 | 27.39 | 35.39 | 41.23 | 49.27 | 54.52 | 65.30 | 68.87 | 67.84 | 60.90 | 49.26 | 33.53 | 30.26 | 48.65 | |||||||||||||
2019 | 28.16 | 29.48 | g | 38.97 | 45.97 | 51.29 | 62.53 | 70.68 | 68.39 | 62.17 | 47.85 | e | 35.53 | 29.32 | 49.17 | a | ||||||||||
2020 | 29.77 | 30.00 | f | 38.87 | 43.22 | g | 54.48 | 61.67 | 70.19 | 67.87 | 55.40 | 45.65 | 38.37 | 24.77 | 48.70 | b | ||||||||||
2021 | 26.32 | 29.18 | 37.58 | 50.07 | 58.19 | 69.30 | 70.29 | 66.68 | 63.13 | 49.23 | 40.17 | 35.48 | 49.63 | |||||||||||||
2022 | 27.94 | 27.07 | 36.10 | 49.43 | 57.00 | p | 69.00 | 71.48 | 67.70 | a | 61.87 | 48.58 | 31.13 | 31.94 | 47.48 | a | ||||||||||
2023 | 30.26 | 32.88 | b | 39.06 | 46.47 | 54.90 | 64.77 | 73.87 | 69.84 | 64.63 | 48.00 | 36.30 | 28.32 | 49.11 | ||||||||||||
2024 | 31.55 | 36.10 | 41.61 | 44.73 | h | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 36.42 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 26.37 | 30.01 | 35.96 | 43.01 | 50.98 | 60.64 | 66.32 | 64.55 | 57.52 | 45.45 | 33.87 | 27.26 | 45.26 | |||||||||||||
S.D. | 2.83 | 3.73 | 2.59 | 2.88 | 2.39 | 3.10 | 2.29 | 2.11 | 2.66 | 2.69 | 3.11 | 2.82 | 1.75 | |||||||||||||
SKEW | 0.15 | -0.22 | 0.22 | 0.11 | 0.32 | 0.29 | 0.52 | 0.07 | 0.43 | 0.07 | 0.61 | 0.43 | 0.86 | |||||||||||||
MAX | 32.35 | 39.32 | 42.45 | 50.07 | 58.19 | 69.30 | 73.87 | 69.84 | 64.63 | 52.90 | 44.66 | 35.48 | 49.63 | |||||||||||||
MIN | 18.35 | 18.30 | 29.71 | 36.33 | 45.87 | 53.13 | 60.87 | 59.31 | 53.07 | 40.00 | 26.45 | 20.32 | 41.90 | |||||||||||||
YRS | 86 | 80 | 84 | 83 | 85 | 86 | 85 | 86 | 87 | 84 | 85 | 84 | 63 |