YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 61.52 | 58.80 | 55.65 | 49.03 | 46.97 | 54.39 | g | |||||
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1962 | ----- | z | ----- | z | ----- | z | ----- | z | 49.81 | o | 54.53 | 57.71 | 57.84 | 56.73 | 52.13 | 45.97 | a | 41.87 | 52.40 | e | ||||||
1963 | 40.23 | a | 48.79 | 42.94 | 43.93 | 53.42 | 54.70 | 56.97 | 60.32 | 62.53 | 56.00 | 48.03 | 44.19 | 51.00 | ||||||||||||
1964 | 41.42 | 40.68 | a | 42.80 | a | 47.40 | 48.55 | 53.60 | 57.68 | 60.71 | 56.43 | 56.60 | a | 46.53 | 45.65 | 49.84 | ||||||||||
1965 | 43.30 | a | 42.21 | 45.52 | 46.97 | 51.48 | 54.03 | 56.48 | 61.65 | 56.10 | a | 54.97 | 49.73 | 43.26 | 50.48 | |||||||||||
1966 | 39.65 | 39.96 | 44.26 | 48.39 | b | 52.68 | 55.30 | 56.48 | 61.03 | 57.23 | 53.93 | a | 47.67 | 43.90 | 50.04 | |||||||||||
1967 | 39.84 | 41.54 | 45.03 | 40.30 | 49.35 | 51.19 | c | 58.29 | 61.77 | 60.83 | ----- | z | 51.00 | 40.65 | 49.07 | a | ||||||||||
1968 | 41.61 | 46.59 | 43.87 | 47.03 | 50.69 | b | 55.57 | 60.07 | a | 59.26 | 58.70 | ----- | z | 47.13 | 39.87 | a | 50.03 | a | ||||||||
1969 | 45.94 | 42.96 | 42.26 | 48.97 | 53.77 | a | 57.90 | 60.03 | 61.65 | 59.30 | 50.58 | 49.00 | a | 43.58 | 51.33 | |||||||||||
1970 | 43.43 | a | 45.32 | 46.19 | 45.07 | 51.23 | a | 55.93 | 59.57 | a | 61.58 | 55.28 | a | 52.20 | a | 45.63 | 40.97 | a | 50.20 | |||||||
1971 | 40.90 | 40.15 | a | 42.97 | 44.90 | 50.10 | 54.03 | 59.13 | 63.48 | 60.00 | 51.00 | 44.04 | c | 39.68 | 49.20 | |||||||||||
1972 | 38.81 | 43.24 | 47.90 | 46.27 | 52.35 | 58.21 | b | 60.30 | a | 61.84 | ----- | z | 53.70 | a | 46.17 | 42.29 | 50.10 | a | ||||||||
1973 | 39.21 | c | 44.58 | d | 43.58 | 46.85 | c | 52.29 | c | 56.14 | a | 58.59 | b | 59.60 | a | 56.97 | ----- | z | 45.57 | 43.52 | 49.72 | a | ||||
1974 | 42.77 | 41.11 | a | 45.58 | 45.20 | 52.16 | 54.60 | 58.53 | a | 57.84 | 57.37 | 53.55 | 47.10 | 40.32 | 49.68 | |||||||||||
1975 | 41.06 | 40.11 | 42.71 | 44.13 | 50.10 | 53.27 | 57.70 | a | 54.81 | 57.79 | b | 49.06 | 43.93 | a | 40.35 | 47.92 | ||||||||||
1976 | 41.71 | 43.79 | 43.07 | a | 44.57 | 53.13 | 54.43 | 61.71 | 57.71 | 62.00 | 55.00 | 49.93 | 43.81 | 50.90 | ||||||||||||
1977 | 43.94 | 44.00 | 40.32 | 47.10 | 48.06 | 54.83 | 57.52 | 62.13 | 57.10 | 53.00 | 47.53 | 48.87 | 50.37 | |||||||||||||
1978 | 45.32 | 45.68 | 47.81 | 46.63 | 53.19 | 57.03 | 58.00 | 59.45 | 60.13 | 55.61 | 44.93 | 39.94 | 51.14 | |||||||||||||
1979 | 41.10 | 40.39 | 44.03 | 48.57 | 53.65 | 56.30 | 57.61 | 58.90 | 62.33 | 55.23 | 47.00 | 45.81 | 50.91 | |||||||||||||
1980 | 49.58 | 49.38 | 46.03 | 48.77 | 51.16 | 54.07 | 60.19 | 62.42 | 58.70 | 53.55 | 48.17 | 46.48 | 52.37 | |||||||||||||
1981 | 45.97 | 47.96 | 47.00 | 51.73 | 55.48 | 60.60 | 62.48 | 63.23 | 60.33 | 52.42 | 49.23 | 44.65 | 53.42 | |||||||||||||
1982 | 44.39 | 52.39 | 46.42 | 48.60 | 55.10 | a | 56.77 | 59.42 | 62.55 | 60.63 | 54.16 | 47.57 | 42.97 | 52.58 | ||||||||||||
1983 | 46.06 | 46.70 | a | 48.90 | 47.55 | a | 53.74 | 57.67 | 59.35 | 65.32 | 64.20 | 59.16 | 49.83 | 46.97 | 53.79 | |||||||||||
1984 | 45.90 | 43.90 | 47.48 | 49.57 | 54.97 | 58.63 | 65.29 | 65.90 | 66.47 | 55.23 | a | 47.03 | 44.32 | 53.73 | ||||||||||||
1985 | 43.70 | a | 42.86 | 43.86 | b | 50.47 | 53.87 | 56.93 | 63.97 | 60.52 | 58.27 | 56.00 | 48.07 | 45.32 | 51.99 | |||||||||||
1986 | 50.13 | 47.54 | 49.26 | 50.20 | 53.06 | 58.23 | 59.16 | 60.61 | 56.50 | 53.68 | 49.10 | a | 44.58 | 52.67 | ||||||||||||
1987 | 42.40 | a | 44.04 | 47.50 | a | 52.23 | 57.00 | ----- | z | 58.39 | 60.97 | 60.63 | 60.58 | ----- | z | 41.81 | 52.55 | b | ||||||||
1988 | 44.43 | a | 46.55 | 48.97 | 50.27 | 53.52 | 55.53 | 62.03 | 62.65 | 59.90 | 57.94 | 49.23 | 45.16 | 53.01 | ||||||||||||
1989 | 42.45 | 44.79 | 47.97 | 54.41 | a | 54.13 | 57.13 | 61.57 | a | 62.41 | b | 58.33 | 55.61 | 51.87 | 46.23 | 53.08 | ||||||||||
1990 | 44.06 | 42.11 | 47.94 | 53.60 | 54.77 | 59.33 | 63.43 | a | 63.60 | a | 62.13 | ----- | z | 50.57 | 43.77 | a | 53.21 | a | ||||||||
1991 | 45.48 | 47.46 | 45.29 | 50.00 | 52.35 | 56.30 | 60.26 | 61.32 | 60.69 | a | 57.42 | 49.80 | 45.94 | 52.69 | ||||||||||||
1992 | 44.68 | 49.62 | 50.03 | 55.17 | 59.81 | 58.77 | 64.00 | 65.26 | 61.03 | 57.48 | 48.77 | 44.35 | 54.91 | |||||||||||||
1993 | 46.77 | 46.75 | 50.03 | 52.13 | ----- | z | 59.63 | 62.35 | 62.35 | 59.97 | 56.52 | 49.67 | 44.52 | 53.70 | a | |||||||||||
1994 | 45.03 | 45.25 | 49.81 | 51.63 | 54.16 | 58.47 | 61.94 | 65.16 | 61.10 | 55.74 | 44.69 | a | 44.48 | 53.12 | ||||||||||||
1995 | 47.94 | 50.93 | 49.45 | 50.53 | 53.97 | 56.03 | 59.65 | 61.68 | 62.23 | 56.39 | 51.00 | 45.90 | 53.81 | |||||||||||||
1996 | 46.48 | 48.79 | 48.55 | 51.80 | 56.61 | 59.20 | 62.19 | 63.87 | 62.17 | 53.48 | 51.03 | 47.03 | a | 54.27 | ||||||||||||
1997 | 47.71 | 44.54 | 49.03 | 51.10 | 58.90 | 61.40 | 60.45 | 62.90 | b | 63.80 | 56.16 | 50.52 | c | 44.00 | 54.21 | |||||||||||
1998 | 45.24 | b | 46.15 | a | 46.40 | a | ----- | z | 52.39 | 56.80 | 61.71 | 64.48 | 62.23 | 54.84 | 48.33 | 43.06 | 52.88 | a | ||||||||
1999 | 44.48 | 43.54 | 44.90 | 47.00 | 52.97 | 55.90 | a | 61.06 | 59.74 | 58.77 | 56.03 | a | 49.33 | 45.10 | 51.57 | |||||||||||
2000 | 47.07 | a | 47.17 | 47.61 | 50.57 | 55.45 | 59.10 | 60.74 | 63.90 | 60.93 | 55.90 | 46.24 | a | 46.67 | a | 53.45 | ||||||||||
2001 | 42.39 | 44.44 | a | 49.32 | 47.37 | 55.83 | a | 57.24 | a | 60.81 | 62.29 | 59.53 | 55.53 | a | 50.32 | b | 41.90 | 52.25 | ||||||||
2002 | 42.96 | c | 43.35 | b | 43.54 | c | 49.81 | d | 52.97 | a | 56.28 | a | 60.87 | 59.26 | d | 60.14 | a | 54.48 | 51.47 | 44.26 | 51.61 | |||||
2003 | 48.07 | c | 48.07 | a | 46.24 | b | 43.93 | c | 50.73 | a | 57.29 | b | 58.82 | c | 61.21 | b | 61.27 | 57.53 | a | 48.11 | c | 41.61 | 51.91 | |||
2004 | 42.10 | 42.96 | c | 48.32 | c | 50.07 | b | 52.00 | f | 58.42 | d | 57.81 | d | 57.64 | f | 60.75 | f | 54.29 | g | 45.00 | g | 43.37 | d | 49.01 | e | |
2005 | 46.10 | 47.88 | c | 49.07 | b | 48.52 | a | 55.10 | b | 57.45 | a | 61.81 | d | 61.96 | e | 57.97 | 54.80 | a | 51.54 | b | 47.46 | e | 53.30 | |||
2006 | 45.17 | b | 44.09 | e | 43.18 | c | 48.52 | e | 55.31 | e | 59.85 | d | 66.21 | b | 62.63 | d | 58.36 | h | 54.59 | d | 52.05 | i | 43.10 | b | 52.26 | b |
2007 | 41.48 | 45.12 | d | 45.82 | i | 48.75 | b | 52.88 | g | 55.37 | k | 59.62 | e | 60.94 | 59.05 | j | 54.70 | h | 49.54 | d | 41.68 | l | 50.91 | f | ||
2008 | 41.35 | k | 39.65 | l | 45.56 | m | 45.48 | e | 53.62 | j | 58.57 | g | 61.87 | p | 63.78 | m | 61.88 | e | 55.00 | j | 53.91 | g | 44.52 | d | 50.63 | i |
2009 | 46.80 | f | 44.68 | 46.52 | 49.57 | g | 56.17 | b | 58.44 | c | 62.84 | 64.08 | e | 63.17 | a | 55.23 | 47.96 | d | 44.73 | a | 54.38 | b | ||||
2010 | 46.54 | e | 46.68 | 48.23 | 48.80 | 52.81 | 57.40 | 60.27 | a | 60.26 | 59.11 | k | 56.00 | h | 48.68 | e | 46.48 | f | 52.18 | c | ||||||
2011 | 45.91 | h | 42.14 | f | 47.71 | 52.09 | h | 52.48 | j | 56.08 | e | 61.48 | 61.13 | 59.88 | f | 54.74 | 47.81 | d | 41.55 | 52.93 | e | |||||
2012 | 44.85 | e | 43.17 | f | 44.52 | 47.27 | d | 55.65 | 56.86 | a | 61.39 | 65.39 | 63.73 | 57.42 | 50.63 | 46.68 | 54.03 | a | ||||||||
2013 | 41.87 | 42.00 | 49.71 | 50.87 | 56.77 | 59.50 | 63.52 | 61.97 | 60.60 | 52.52 | 50.10 | 44.55 | 52.83 | |||||||||||||
2014 | 46.74 | 47.04 | 51.29 | 51.03 | 57.71 | 60.47 | 64.32 | 64.32 | 64.33 | 58.87 | 51.93 | 50.03 | 55.67 | |||||||||||||
2015 | 47.39 | 49.39 | 51.58 | 51.63 | 55.45 | 60.70 | 64.90 | 65.68 | 65.57 | 61.84 | 47.57 | 42.77 | 55.37 | |||||||||||||
2016 | 45.52 | 47.76 | 49.65 | 51.47 | 56.55 | 61.17 | 64.13 | 64.61 | 61.40 | 57.03 | 50.87 | 47.00 | 54.76 | |||||||||||||
2017 | 47.00 | 48.29 | 48.39 | 50.93 | 54.94 | 58.87 | 65.16 | 65.42 | 61.90 | 58.13 | 51.77 | 45.94 | 54.73 | |||||||||||||
2018 | 48.32 | 44.54 | 47.97 | 51.50 | 54.84 | 59.60 | 66.13 | 66.77 | 61.80 | 56.81 | 51.03 | 45.84 | 54.60 | |||||||||||||
2019 | 45.87 | 42.25 | 48.19 | 52.63 | 54.16 | 59.93 | 63.16 | 63.39 | 62.33 | 52.61 | 49.07 | 45.65 | 53.27 | |||||||||||||
2020 | 44.65 | 44.59 | 48.52 | 52.47 | 56.77 | 59.87 | 60.71 | 65.42 | 61.30 | 58.23 | 47.67 | 44.16 | 53.69 | |||||||||||||
2021 | 44.68 | 44.39 | 44.23 | 51.43 | 55.81 | 58.97 | 64.23 | 63.16 | 61.53 | 53.45 | 51.77 | 45.26 | 53.24 | |||||||||||||
2022 | 44.77 | 43.32 | 47.61 | 52.03 | 55.26 | 59.80 | 63.68 | 66.03 | 65.53 | 59.42 | 46.60 | 44.87 | 54.08 | |||||||||||||
2023 | 44.39 | 41.64 | 45.71 | 49.60 | 55.16 | 58.00 | 62.71 | 64.48 | 63.10 | 55.84 | 50.83 | 48.42 | 53.32 | |||||||||||||
2024 | 43.38 | r | 48.34 | 48.54 | e | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 48.44 | j | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 44.33 | 45.09 | 46.69 | 49.03 | 53.89 | 57.29 | 60.93 | 62.20 | 60.56 | 55.37 | 48.67 | 44.30 | 52.50 | |||||||||||||
S.D. | 2.62 | 2.89 | 2.56 | 2.94 | 2.42 | 2.24 | 2.51 | 2.39 | 2.54 | 2.44 | 2.08 | 2.29 | 1.78 | |||||||||||||
SKEW | -0.12 | 0.20 | -0.32 | -0.44 | -0.16 | -0.30 | 0.21 | -0.41 | 0.04 | 0.06 | -0.36 | -0.07 | -0.44 | |||||||||||||
MAX | 50.13 | 52.39 | 51.58 | 55.17 | 59.81 | 61.40 | 66.21 | 66.77 | 66.47 | 61.84 | 51.93 | 50.03 | 55.67 | |||||||||||||
MIN | 38.81 | 39.96 | 40.32 | 40.30 | 48.06 | 51.19 | 56.48 | 54.81 | 55.28 | 49.06 | 43.93 | 39.68 | 47.92 | |||||||||||||
YRS | 58 | 59 | 60 | 58 | 56 | 59 | 61 | 61 | 57 | 55 | 59 | 61 | 45 |