YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1933 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 47.67 | y | ----- | z |
1934 | 46.18 | 48.39 | 54.75 | a | 57.70 | 59.78 | a | 62.38 | 65.42 | 68.21 | 61.13 | 56.19 | 49.10 | 41.98 | 55.94 | |||||||||||
1935 | 39.32 | 45.46 | a | 42.39 | 50.84 | a | 55.07 | b | 61.95 | 65.58 | a | 66.62 | a | 63.59 | a | 51.86 | b | 42.40 | 39.40 | 52.04 | ||||||
1936 | 42.58 | 37.83 | 45.27 | a | 54.20 | 58.71 | 63.00 | a | 65.63 | 67.28 | a | 61.23 | 55.98 | 43.25 | 41.60 | 53.05 | ||||||||||
1937 | 30.56 | 39.20 | 47.94 | 48.32 | 56.56 | 62.87 | 67.78 | a | 65.82 | 61.85 | 57.13 | 48.28 | 43.27 | 52.47 | ||||||||||||
1938 | 41.97 | 42.93 | 45.02 | 52.17 | 57.48 | 63.08 | 69.79 | 64.19 | 63.88 | 53.85 | 41.83 | 40.81 | b | 53.08 | ||||||||||||
1939 | 41.81 | 39.91 | 47.32 | 54.53 | 57.76 | 59.57 | 67.23 | 67.39 | 63.82 | 54.18 | 48.17 | 46.03 | 53.98 | |||||||||||||
1940 | 42.27 | 45.36 | 50.79 | 53.45 | 59.98 | 64.87 | 66.53 | 67.95 | 62.87 | 56.24 | 43.87 | 42.87 | 54.75 | |||||||||||||
1941 | 44.06 | 47.64 | 52.03 | 53.00 | 56.95 | 60.68 | 69.42 | 66.55 | 59.08 | 53.29 | 48.87 | 42.27 | 54.49 | |||||||||||||
1942 | 39.69 | 42.80 | 46.71 | 52.27 | 55.27 | 59.47 | 67.92 | 68.87 | 62.18 | 54.31 | 46.05 | 40.92 | 53.04 | |||||||||||||
1943 | 36.73 | 45.46 | 46.13 | 53.65 | 55.13 | 59.30 | 66.53 | 64.90 | 64.92 | 54.16 | 47.92 | 39.85 | 52.89 | |||||||||||||
1944 | 41.23 | 42.86 | 46.77 | 50.48 | 56.73 | 61.22 | 67.37 | 65.50 | 65.28 | 57.47 | 44.05 | 39.31 | 53.19 | |||||||||||||
1945 | 42.08 | a | 43.80 | 44.32 | a | 48.92 | 57.11 | 62.22 | 68.08 | 67.35 | 61.09 | a | 53.42 | 45.13 | 42.08 | 52.97 | ||||||||||
1946 | 40.68 | 42.88 | 46.16 | 51.03 | 58.65 | 60.20 | 66.82 | 66.52 | 60.57 | 49.05 | 44.00 | 41.74 | 52.36 | |||||||||||||
1947 | 37.05 | 46.16 | 49.37 | a | 53.68 | 60.26 | 60.33 | 65.45 | 64.35 | 63.27 | 54.71 | 46.02 | 42.50 | 53.60 | ||||||||||||
1948 | 39.44 | 40.53 | 44.94 | 47.20 | 54.77 | 64.22 | 64.85 | 64.12 | a | 60.63 | 52.73 | 42.93 | 36.82 | 51.10 | ||||||||||||
1949 | 30.84 | 39.69 | a | 45.94 | 52.87 | 58.58 | 61.95 | 65.71 | 65.37 | 61.87 | 48.84 | 50.23 | 39.63 | 51.79 | ||||||||||||
1950 | 32.23 | 39.86 | 44.48 | 49.47 | 55.19 | 61.27 | 67.50 | 68.79 | 62.53 | 52.94 | 46.70 | 46.02 | 52.25 | |||||||||||||
1951 | 39.16 | 43.05 | 41.58 | 53.72 | 56.25 | a | 64.37 | 67.37 | 65.73 | 63.50 | 52.25 | a | 46.23 | 38.50 | 52.64 | |||||||||||
1952 | 37.40 | 42.79 | 44.26 | 53.00 | a | 57.81 | 59.13 | 69.00 | 67.40 | 65.33 | 58.52 | 40.38 | 41.19 | 53.02 | ||||||||||||
1953 | 46.55 | 44.09 | 45.03 | 50.40 | 53.16 | 57.45 | a | 66.65 | 66.23 | 64.35 | 54.97 | 48.38 | 43.05 | 53.36 | ||||||||||||
1954 | 40.16 | 45.07 | 43.95 | 50.84 | a | 57.18 | a | 57.52 | 63.90 | b | 62.98 | a | 60.45 | 52.31 | 49.50 | 40.90 | 52.06 | |||||||||
1955 | 39.16 | 40.71 | 42.05 | a | 45.32 | 53.78 | a | 60.90 | 62.94 | 65.16 | 60.48 | a | 53.22 | a | 43.30 | 42.29 | 50.78 | |||||||||
1956 | 40.89 | 37.02 | 43.77 | a | 51.58 | 57.63 | 58.98 | 67.89 | 65.82 | 62.48 | 51.05 | 43.17 | 40.76 | 51.75 | ||||||||||||
1957 | 33.81 | 42.98 | 46.53 | 52.08 | 58.05 | 62.30 | 64.52 | 63.47 | 65.33 | 52.87 | 44.48 | 43.44 | 52.49 | |||||||||||||
1958 | 43.40 | 48.91 | 45.11 | 50.50 | 61.02 | 63.65 | 70.90 | 70.06 | 62.15 | 55.73 | 47.03 | a | 46.48 | 55.41 | ||||||||||||
1959 | 43.28 | a | 42.98 | 46.73 | 52.45 | 54.31 | 62.17 | 68.52 | 65.48 | 59.35 | 54.50 | 45.79 | a | 41.50 | 53.09 | |||||||||||
1960 | 39.40 | 43.43 | 46.37 | 50.65 | 54.03 | 63.28 | 69.16 | 64.31 | 62.52 | 54.61 | 45.42 | 40.92 | 52.84 | |||||||||||||
1961 | 44.31 | 46.07 | 46.05 | a | 50.58 | 55.84 | 64.72 | 67.39 | 69.48 | 58.98 | 52.39 | 42.37 | 41.13 | 53.28 | ||||||||||||
1962 | 39.37 | 43.05 | 44.19 | 53.22 | a | 52.50 | 60.61 | c | 66.23 | 65.55 | 62.73 | 53.08 | 47.97 | 42.00 | a | 52.54 | ||||||||||
1963 | 33.43 | j | 50.14 | 46.22 | a | 47.57 | a | 57.02 | 60.10 | 63.11 | 66.45 | 66.53 | 54.71 | 46.08 | 42.31 | 54.57 | a | |||||||||
1964 | 40.79 | 42.38 | 44.55 | 48.15 | 53.29 | 59.18 | 65.55 | 64.58 | 59.75 | 56.03 | 42.45 | 40.90 | 51.47 | |||||||||||||
1965 | 40.65 | 44.84 | 48.16 | 52.13 | 53.44 | 60.72 | 69.16 | i | 67.00 | 60.05 | 57.31 | 49.07 | 39.47 | 52.07 | a | |||||||||||
1966 | 40.32 | 42.43 | 46.06 | 52.35 | 56.13 | 61.92 | 65.35 | 65.95 | 63.55 | 53.63 | 46.90 | 42.60 | 53.10 | |||||||||||||
1967 | 41.90 | 43.38 | 43.98 | 45.73 | 55.24 | 63.20 | 67.32 | 70.65 | 64.78 | 53.94 | 47.70 | 38.32 | 53.01 | |||||||||||||
1968 | 39.73 | 48.50 | 48.76 | 48.40 | 54.56 | 61.42 | 66.89 | 65.05 | 61.78 | 52.42 | 46.92 | 38.55 | 52.75 | |||||||||||||
1969 | 34.94 | 39.25 | 47.05 | 49.68 | 58.35 | 62.63 | 64.76 | 63.95 | 61.58 | 51.71 | 45.58 | 43.10 | 51.88 | |||||||||||||
1970 | 41.71 | 46.79 | 46.35 | 46.15 | 55.48 | 64.37 | 67.19 | 66.29 | 58.27 | 51.71 | 46.75 | 39.24 | 52.53 | |||||||||||||
1971 | 38.92 | 42.04 | 42.11 | 47.78 | 55.34 | 57.78 | 66.50 | a | 68.85 | 59.67 | 50.53 | 44.28 | 38.69 | 51.04 | ||||||||||||
1972 | 38.31 | 43.10 | 48.32 | 47.42 | 56.90 | 61.48 | 68.47 | 68.69 | 59.52 | 52.68 | 46.70 | 35.44 | 52.25 | |||||||||||||
1973 | 38.53 | 46.34 | 44.66 | 51.03 | 57.95 | 62.00 | 67.00 | 64.39 | 62.02 | 52.98 | 42.52 | a | 43.16 | 52.72 | ||||||||||||
1974 | 37.06 | 40.95 | 45.03 | 49.22 | 53.71 | 61.87 | 65.42 | 67.19 | 65.70 | 54.00 | 46.88 | 42.05 | 52.42 | |||||||||||||
1975 | 42.15 | 41.98 | 43.21 | 45.27 | 54.77 | 60.03 | 66.39 | 63.50 | 63.38 | a | 52.69 | 43.62 | 41.34 | 51.53 | ||||||||||||
1976 | 41.66 | 41.00 | 43.45 | 48.28 | 55.34 | 57.37 | 65.21 | 64.44 | 63.17 | 54.40 | 47.95 | 40.22 | a | 51.87 | ||||||||||||
1977 | 39.13 | 45.27 | 44.16 | 51.95 | 51.95 | 62.70 | 64.73 | 69.71 | 59.55 | 53.48 | 44.27 | 44.06 | 52.58 | |||||||||||||
1978 | 43.68 | 45.32 | 50.37 | 48.75 | 53.29 | 62.52 | 66.21 | 65.32 | 58.79 | a | 54.62 | a | 40.98 | 36.69 | 52.21 | |||||||||||
1979 | 33.58 | 39.79 | 48.21 | 50.50 | 56.63 | 61.60 | 67.10 | 64.79 | 63.53 | 56.50 | 44.23 | 42.92 | 52.45 | |||||||||||||
1980 | 37.50 | 43.90 | 45.71 | 51.53 | 53.81 | 57.40 | 65.81 | 63.48 | 61.60 | a | 55.63 | 48.27 | 43.92 | 52.38 | ||||||||||||
1981 | 43.42 | 44.25 | 47.40 | a | 50.58 | 54.48 | 59.70 | 65.05 | 68.53 | 62.50 | 51.55 | a | 47.45 | a | 42.71 | 53.14 | ||||||||||
1982 | 37.87 | a | 42.19 | b | 45.11 | 47.14 | a | 55.11 | 61.78 | 63.85 | 65.66 | 60.35 | 53.63 | 43.40 | 40.05 | a | 51.35 | |||||||||
1983 | 42.98 | 45.55 | 48.16 | 50.08 | 56.70 | a | 58.80 | 62.65 | 65.82 | 59.63 | 54.05 | 46.55 | b | 37.63 | 52.38 | |||||||||||
1984 | 41.89 | 44.17 | 48.77 | 47.65 | 53.92 | 58.08 | 66.66 | 65.96 | d | 61.40 | d | 50.55 | 44.29 | d | 38.00 | b | 51.78 | |||||||||
1985 | 36.12 | b | 39.77 | d | 42.85 | a | 52.54 | b | 54.44 | e | 62.24 | c | 69.47 | 64.87 | 57.43 | 51.77 | a | 38.32 | 34.94 | 50.40 | ||||||
1986 | 43.55 | 44.36 | 50.71 | 49.26 | a | 55.42 | a | 64.43 | 63.42 | 69.52 | a | 57.85 | 55.66 | 46.22 | 40.84 | 53.44 | ||||||||||
1987 | 40.55 | 44.68 | c | 47.65 | 54.17 | 57.98 | 63.60 | 64.17 | a | 66.82 | 62.12 | 57.44 | 46.82 | 39.03 | a | 53.75 | ||||||||||
1988 | 39.85 | a | 44.52 | 46.92 | a | 51.68 | 54.08 | 60.22 | 67.18 | 65.90 | 61.50 | 57.66 | 45.09 | a | 41.53 | a | 53.01 | |||||||||
1989 | 40.65 | a | 36.05 | 45.60 | a | 54.47 | 54.97 | 62.00 | 63.10 | 64.21 | 63.08 | 52.88 | a | 46.73 | 40.40 | 52.01 | ||||||||||
1990 | 42.33 | a | 39.48 | 49.00 | 53.17 | 54.63 | 60.98 | 68.47 | 67.45 | a | 64.25 | 52.35 | 45.85 | 33.52 | a | 52.62 | ||||||||||
1991 | 38.78 | a | 48.50 | 44.47 | 48.70 | 51.95 | a | 58.10 | 68.23 | 67.71 | 64.58 | 55.41 | b | 47.90 | e | 41.45 | c | 52.98 | ||||||||
1992 | 43.87 | a | 48.85 | b | 51.13 | 53.75 | b | 60.57 | b | 64.85 | 67.40 | 68.30 | a | 61.72 | c | 55.62 | b | 47.00 | d | 39.21 | c | 55.19 | ||||
1993 | 37.63 | d | 41.69 | a | 49.13 | a | 50.09 | c | 58.19 | b | 59.74 | a | 61.29 | 65.03 | b | 62.38 | b | 56.08 | e | 41.00 | c | 38.94 | e | 51.77 | ||
1994 | 43.69 | e | 41.96 | b | 48.62 | b | 51.27 | b | 57.88 | e | 58.81 | a | 67.32 | 65.22 | a | 64.29 | a | 52.97 | a | 40.65 | 40.82 | a | 52.79 | |||
1995 | 44.72 | a | 47.79 | 47.42 | 49.52 | b | 57.08 | 60.53 | 67.29 | 64.11 | 64.88 | 53.64 | b | 49.57 | 43.57 | a | 54.18 | |||||||||
1996 | 42.02 | 44.05 | 48.27 | 51.90 | 53.69 | 60.13 | 69.17 | a | 66.78 | b | 59.66 | a | 53.88 | c | 47.08 | 42.52 | b | 53.26 | ||||||||
1997 | 41.31 | b | 43.89 | 46.66 | 49.59 | a | 59.65 | 59.58 | 65.79 | 67.84 | 62.50 | a | 52.37 | a | 49.03 | 40.31 | 53.21 | |||||||||
1998 | 44.20 | a | 44.80 | 46.92 | 50.35 | 53.16 | 60.43 | 69.02 | 67.94 | 64.18 | 53.79 | 46.43 | a | 38.53 | 53.31 | |||||||||||
1999 | 41.77 | 42.07 | 44.25 | a | 48.63 | 52.58 | a | 59.00 | 65.03 | 66.81 | 62.31 | a | 54.34 | 49.12 | a | 40.53 | 52.20 | |||||||||
2000 | 39.66 | 44.29 | 44.85 | a | 52.77 | 55.40 | 62.62 | 65.08 | 65.37 | 61.98 | a | 54.00 | 42.05 | 41.31 | 52.45 | |||||||||||
2001 | 42.10 | a | 42.09 | a | 47.45 | 47.70 | 57.28 | a | 58.39 | b | 65.18 | 66.47 | a | 62.28 | a | 53.71 | b | 47.90 | 41.18 | a | 52.64 | |||||
2002 | 40.64 | b | 44.21 | 43.35 | 50.43 | 53.61 | 61.48 | a | 68.34 | 66.50 | 62.85 | 52.42 | 46.98 | a | 42.32 | a | 52.76 | |||||||||
2003 | 45.16 | b | 43.62 | 48.29 | 48.09 | a | 54.66 | b | 64.22 | 68.90 | a | 68.27 | 64.18 | 56.92 | 43.08 | 41.75 | a | 53.93 | ||||||||
2004 | 42.15 | e | 44.12 | a | 49.95 | a | 52.97 | a | 56.58 | 62.03 | 69.29 | 69.29 | 60.38 | 53.95 | 45.98 | b | 42.57 | b | 54.11 | |||||||
2005 | 42.44 | 44.39 | 48.97 | a | 50.28 | a | 57.50 | 58.88 | 68.29 | 68.77 | 60.27 | 54.87 | 42.72 | a | 39.93 | a | 53.11 | |||||||||
2006 | 43.03 | a | 42.93 | 44.19 | 50.68 | 56.87 | 63.32 | 69.42 | a | 66.34 | 62.80 | 52.39 | 45.42 | 41.76 | b | 53.26 | ||||||||||
2007 | 37.88 | b | 43.77 | 48.60 | a | 49.85 | ----- | z | 60.45 | a | 68.44 | 66.08 | 61.07 | c | 51.56 | 44.12 | a | 40.34 | 52.01 | a | ||||||
2008 | 38.13 | 42.31 | 43.47 | 46.27 | 55.41 | b | 57.98 | a | 66.58 | a | 66.90 | 61.48 | a | 53.13 | 48.47 | a | 38.20 | a | 51.53 | |||||||
2009 | 40.27 | a | 43.14 | 43.13 | 48.32 | 56.66 | 62.60 | 69.71 | 67.15 | 62.63 | 51.71 | 45.10 | 36.08 | 52.21 | ||||||||||||
2010 | 45.90 | 46.11 | 45.63 | 48.48 | 52.76 | 58.60 | 66.12 | c | 65.82 | 61.52 | 54.18 | 44.60 | 41.69 | 52.62 | ||||||||||||
2011 | 42.31 | 40.32 | 44.65 | 46.41 | a | 51.63 | 58.87 | 63.24 | 66.82 | 65.12 | 54.06 | 44.98 | 37.65 | 51.34 | ||||||||||||
2012 | 41.68 | 43.38 | 43.03 | 51.27 | 54.58 | 58.43 | 65.50 | 68.02 | 62.83 | 53.61 | 47.40 | 40.94 | 52.56 | |||||||||||||
2013 | 37.11 | 42.77 | 47.44 | 51.57 | 57.13 | 62.65 | 68.87 | 68.15 | 62.03 | 51.55 | 45.72 | 35.66 | 52.55 | |||||||||||||
2014 | 41.53 | 42.64 | 48.74 | 51.60 | 58.98 | 61.40 | 69.71 | 69.58 | 65.42 | 58.19 | 46.32 | 44.66 | 54.90 | |||||||||||||
2015 | 44.24 | 48.86 | 51.68 | 50.30 | 57.69 | 67.30 | 70.65 | 69.52 | 61.92 | 57.87 | 43.84 | b | 42.76 | 55.55 | ||||||||||||
2016 | 42.48 | 47.83 | 47.69 | 55.62 | 58.65 | 63.33 | a | 66.35 | 69.77 | 61.50 | a | 54.26 | 52.00 | g | 37.66 | 55.01 | a | |||||||||
2017 | 37.73 | 42.46 | 46.47 | 50.35 | 58.10 | 62.55 | 68.24 | 70.37 | d | 64.23 | b | 53.03 | 46.37 | 38.21 | 53.18 | |||||||||||
2018 | 43.50 | a | 42.36 | 45.31 | 51.52 | 58.82 | 61.95 | 70.18 | 68.98 | 61.02 | 55.02 | 47.90 | 43.05 | 54.13 | ||||||||||||
2019 | 42.24 | 38.07 | 45.06 | 52.67 | 57.82 | a | 63.47 | 66.50 | 68.66 | 62.48 | b | 50.45 | 45.42 | 42.11 | 52.91 | |||||||||||
2020 | 42.53 | 43.52 | 45.18 | 53.13 | 57.61 | 61.77 | 67.42 | a | 68.35 | 65.38 | m | 55.55 | 45.12 | 42.32 | 52.95 | a | ||||||||||
2021 | 42.77 | 42.66 | 45.42 | 52.32 | 57.02 | 67.15 | 70.73 | 69.56 | 61.97 | 52.42 | 48.58 | 40.97 | 54.30 | |||||||||||||
2022 | 41.02 | 42.96 | 48.31 | 47.30 | 53.61 | 61.77 | 70.05 | 70.55 | 64.68 | 57.37 | 42.73 | 39.90 | 53.35 | |||||||||||||
2023 | 41.97 | 40.91 | 41.89 | 47.93 | 60.02 | 63.18 | 69.66 | 71.00 | 61.93 | 55.19 | 46.45 | 44.90 | 53.75 | |||||||||||||
2024 | 41.63 | a | 45.28 | 46.45 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 44.45 | i | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 40.59 | 43.43 | 46.34 | 50.58 | 56.11 | 61.33 | 66.88 | 66.81 | 62.18 | 53.93 | 45.61 | 40.83 | 52.85 | |||||||||||||
S.D. | 3.14 | 2.77 | 2.50 | 2.48 | 2.20 | 2.17 | 2.07 | 1.95 | 1.94 | 2.01 | 2.43 | 2.45 | 1.05 | |||||||||||||
SKEW | -0.96 | 0.01 | 0.55 | -0.01 | 0.07 | 0.19 | -0.24 | 0.18 | -0.13 | 0.12 | -0.47 | -0.43 | 0.56 | |||||||||||||
MAX | 46.55 | 50.14 | 54.75 | 57.70 | 61.02 | 67.30 | 70.90 | 71.00 | 66.53 | 58.52 | 50.23 | 46.48 | 55.94 | |||||||||||||
MIN | 30.56 | 36.05 | 41.58 | 45.27 | 51.63 | 57.37 | 61.29 | 62.98 | 57.43 | 48.84 | 38.32 | 33.52 | 50.40 | |||||||||||||
YRS | 90 | 91 | 91 | 90 | 89 | 90 | 89 | 90 | 89 | 90 | 89 | 90 | 85 |