YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1953 | ----- | z | ----- | z | ----- | z | ----- | z | 52.33 | k | 55.52 | 60.97 | 61.98 | 59.83 | 54.94 | 48.23 | 44.35 | 55.12 | e | |||||||
1954 | 38.13 | 43.21 | 42.27 | 46.08 | 53.50 | 55.20 | 57.56 | 58.27 | 58.12 | 52.08 | 49.87 | 41.44 | 49.64 | |||||||||||||
1955 | 39.92 | 39.62 | 39.97 | 43.63 | 49.37 | 54.25 | b | 56.44 | 57.66 | 56.42 | 51.18 | 43.11 | c | 39.35 | 47.58 | |||||||||||
1956 | 40.02 | 37.24 | 41.77 | 48.73 | 54.87 | 54.97 | 60.47 | a | 60.60 | 57.82 | 50.42 | 44.35 | 41.76 | 49.42 | ||||||||||||
1957 | 35.16 | 41.30 | 44.79 | 49.10 | 55.23 | 58.18 | 59.56 | 60.39 | 62.80 | 52.05 | 45.25 | 43.77 | 50.63 | |||||||||||||
1958 | 44.66 | 48.12 | 44.48 | 48.72 | 56.69 | 61.84 | a | 63.03 | 62.63 | 59.37 | 54.32 | 45.02 | 45.76 | 52.89 | ||||||||||||
1959 | 41.89 | 41.71 | 44.53 | 49.12 | 52.37 | 57.85 | 60.81 | 59.11 | 57.05 | 53.27 | 45.92 | 41.52 | 50.43 | |||||||||||||
1960 | 40.56 | 42.90 | 43.79 | 48.15 | 51.40 | 56.37 | 59.71 | 60.79 | 58.63 | 53.63 | 45.75 | 42.02 | 50.31 | |||||||||||||
1961 | 46.00 | 45.70 | 44.98 | 47.33 | 53.15 | 58.83 | 60.69 | b | 63.34 | 57.97 | 50.60 | 42.68 | 41.52 | 51.07 | ||||||||||||
1962 | 39.89 | 44.02 | 42.97 | 49.22 | 50.77 | 55.30 | 57.74 | 60.68 | 58.92 | 53.32 | 47.42 | 43.32 | 50.30 | |||||||||||||
1963 | 36.60 | 49.43 | 44.84 | 48.32 | 53.42 | a | 56.48 | 60.95 | 61.21 | 62.22 | 54.52 | 46.47 | 44.76 | 51.60 | ||||||||||||
1964 | 44.19 | 42.98 | 45.11 | 46.02 | 51.24 | 57.52 | 60.06 | 61.53 | 58.93 | 54.81 | 45.02 | 39.08 | 50.54 | |||||||||||||
1965 | 41.98 | 44.79 | 48.15 | 49.73 | 50.61 | 55.93 | 60.55 | 62.16 | 57.02 | 55.71 | 49.68 | 40.52 | 51.40 | |||||||||||||
1966 | 42.77 | 44.30 | 45.32 | 49.78 | 52.29 | 57.41 | a | 59.60 | 60.74 | 61.38 | 52.95 | 48.27 | 45.56 | 51.70 | ||||||||||||
1967 | 44.56 | 44.55 | 43.34 | 46.37 | 53.90 | 59.43 | 60.50 | a | 63.87 | 62.53 | 54.23 | 47.65 | 41.02 | 51.83 | ||||||||||||
1968 | 41.13 | 47.07 | 47.06 | 46.80 | 53.65 | 55.90 | 59.57 | a | 60.50 | 58.75 | 51.13 | 47.58 | 38.50 | 50.64 | ||||||||||||
1969 | 34.31 | 41.00 | 46.21 | 48.20 | 54.77 | a | 59.67 | a | 58.73 | 58.97 | 56.60 | 51.53 | 47.68 | 44.61 | 50.19 | |||||||||||
1970 | 41.85 | 46.09 | 44.73 | 46.82 | 53.00 | 58.28 | a | 60.21 | 60.82 | 58.73 | 51.66 | 45.43 | 38.21 | 50.49 | ||||||||||||
1971 | 39.18 | 41.18 | 39.84 | 45.30 | 50.06 | 51.48 | 55.16 | 60.18 | 55.13 | 50.82 | 45.67 | 38.58 | 47.72 | |||||||||||||
1972 | 39.48 | 43.91 | 46.26 | 43.73 | 53.97 | 56.52 | 59.88 | a | 61.52 | 55.12 | 49.69 | 45.58 | 37.32 | 49.42 | ||||||||||||
1973 | 39.03 | 44.12 | 44.48 | 48.78 | 53.48 | a | 57.15 | 60.18 | 57.23 | 59.73 | 51.39 | 43.62 | 44.82 | 50.34 | ||||||||||||
1974 | 38.87 | 42.66 | 46.71 | 51.52 | 52.68 | 56.98 | 59.08 | 61.19 | 63.02 | 52.65 | 47.38 | 43.82 | 51.38 | |||||||||||||
1975 | 40.73 | 41.12 | 42.60 | 44.10 | 52.00 | 54.37 | 59.65 | 58.42 | 62.83 | 51.68 | 46.52 | 42.23 | 49.69 | |||||||||||||
1976 | 42.52 | 39.53 | 41.63 | 47.60 | 51.71 | 53.80 | 60.11 | 58.84 | 61.65 | 56.56 | 50.15 | 47.26 | 50.95 | |||||||||||||
1977 | 40.63 | 47.11 | 43.71 | 49.28 | 50.18 | 54.92 | 58.15 | 61.61 | 57.83 | 51.19 | 42.25 | 41.73 | 49.88 | |||||||||||||
1978 | 44.10 | 44.89 | 49.00 | 49.52 | 52.63 | 60.27 | 60.84 | 61.38 | b | 58.35 | 55.53 | 41.98 | 36.05 | 51.21 | ||||||||||||
1979 | 35.29 | 40.70 | 47.89 | 50.42 | 54.60 | 56.60 | 61.47 | 62.05 | 62.52 | 55.23 | 45.53 | 45.34 | 51.47 | |||||||||||||
1980 | 37.50 | 43.47 | 44.45 | 50.33 | 52.29 | 55.73 | 59.73 | a | 58.00 | 58.53 | 54.16 | 48.50 | 45.76 | 50.71 | ||||||||||||
1981 | 45.98 | 45.25 | 48.40 | 48.78 | 53.06 | 56.42 | 58.98 | 61.97 | a | 59.37 | 51.74 | 47.67 | 42.73 | 51.70 | ||||||||||||
1982 | 40.08 | 42.54 | 43.85 | 45.95 | 52.39 | 56.93 | a | 58.81 | 60.69 | 60.25 | 53.66 | 44.25 | 42.06 | 50.12 | ||||||||||||
1983 | 45.63 | 47.11 | 48.84 | 49.78 | 55.18 | 57.75 | 61.13 | 62.35 | 57.17 | 51.23 | 48.13 | 37.76 | 51.84 | |||||||||||||
1984 | 43.81 | b | 45.41 | 48.76 | 47.70 | 51.89 | 55.35 | 59.42 | 60.97 | 58.87 | 49.84 | 46.05 | 38.94 | 50.58 | ||||||||||||
1985 | 39.95 | 40.75 | 43.08 | 48.53 | 52.88 | a | 56.79 | a | 61.50 | 61.29 | 57.68 | 52.13 | 38.17 | 39.32 | 49.34 | |||||||||||
1986 | 46.19 | 42.62 | 48.94 | 46.98 | 52.89 | 58.60 | 57.90 | e | 61.37 | 57.52 | 55.73 | 47.46 | b | 43.16 | i | 52.38 | a | |||||||||
1987 | 42.47 | b | 46.37 | a | 48.60 | 52.00 | 54.63 | l | 57.19 | i | 59.20 | i | 60.33 | j | 60.11 | l | 57.05 | j | 50.05 | i | 41.52 | k | 47.36 | h | ||
1988 | 41.88 | b | 46.07 | 45.66 | 50.43 | 53.56 | 56.17 | 59.67 | a | 60.42 | 57.63 | 56.23 | 46.97 | 43.56 | 51.52 | |||||||||||
1989 | 41.71 | 37.04 | 43.92 | 52.33 | 53.35 | 58.13 | 59.71 | 59.78 | a | 61.32 | 53.45 | 48.08 | 44.98 | 51.15 | ||||||||||||
1990 | 44.10 | 41.52 | 47.58 | 50.83 | 52.92 | 57.43 | 61.63 | 62.45 | 61.67 | 50.90 | 47.22 | 36.61 | 51.24 | |||||||||||||
1991 | 41.11 | 48.57 | 43.98 | 48.37 | 51.81 | 55.42 | 60.68 | 59.90 | 61.57 | 52.52 | 47.53 | 44.92 | 51.36 | |||||||||||||
1992 | 45.37 | 48.19 | 50.56 | 51.60 | 56.52 | 59.40 | 61.42 | 61.87 | 57.70 | 54.44 | 46.82 | 40.56 | 52.87 | |||||||||||||
1993 | 39.44 | 43.07 | 47.89 | 50.17 | 58.03 | 58.55 | 60.08 | 61.60 | a | 57.98 | 54.40 | 42.53 | 41.89 | 51.30 | ||||||||||||
1994 | 45.82 | 41.50 | 48.39 | 51.25 | 54.85 | 56.65 | 59.65 | 62.68 | 61.48 | 51.69 | 42.38 | 42.39 | 51.56 | |||||||||||||
1995 | 46.32 | 46.98 | 47.32 | 49.47 | 54.00 | 57.59 | b | 62.44 | 60.44 | 63.30 | 53.95 | 50.07 | 44.50 | 53.03 | ||||||||||||
1996 | 41.98 | 45.03 | 47.44 | 51.02 | 51.35 | 57.10 | 62.32 | a | 61.21 | 57.03 | 52.26 | 45.47 | 41.85 | 51.17 | ||||||||||||
1997 | 43.35 | 44.11 | 45.94 | 49.73 | 57.27 | 58.62 | b | 61.74 | 64.42 | 62.77 | ----- | z | 49.67 | 43.52 | 52.83 | a | ||||||||||
1998 | 43.69 | 46.91 | 47.47 | 48.90 | 54.05 | 56.88 | 61.10 | 61.55 | 59.50 | 54.34 | 48.12 | 41.35 | a | 51.99 | ||||||||||||
1999 | 43.35 | 43.27 | 44.18 | 47.58 | 50.76 | 55.88 | 58.19 | 60.32 | 58.18 | 52.31 | 48.42 | 44.67 | a | 50.59 | ||||||||||||
2000 | 41.32 | 44.55 | 45.06 | 50.63 | 53.18 | 57.22 | a | 60.34 | 59.52 | 59.57 | 52.65 | 43.58 | 42.94 | 50.88 | ||||||||||||
2001 | 43.47 | 42.04 | 46.21 | 46.50 | 51.98 | 55.05 | 57.69 | 59.61 | 57.03 | 50.65 | 46.83 | 42.19 | 49.94 | |||||||||||||
2002 | 42.44 | 42.38 | 42.47 | 47.03 | 50.34 | 56.72 | 60.11 | 59.26 | 57.32 | 50.82 | 48.18 | 43.82 | 50.07 | |||||||||||||
2003 | 47.21 | 43.07 | 46.58 | 47.92 | 51.68 | 58.26 | a | 61.29 | 60.65 | 58.97 | 54.47 | 42.78 | 42.19 | 51.26 | ||||||||||||
2004 | 41.63 | 44.86 | 47.56 | 51.20 | 53.90 | 58.02 | a | 62.50 | 62.82 | 57.37 | 51.94 | 45.17 | 43.71 | 51.72 | ||||||||||||
2005 | 43.21 | 43.55 | 47.95 | 48.82 | 55.93 | a | 58.20 | 60.89 | 60.81 | 56.17 | 53.31 | 44.58 | 42.74 | 51.35 | ||||||||||||
2006 | 45.15 | 42.64 | 44.84 | 49.12 | 53.78 | a | 59.32 | 61.60 | 59.65 | 60.02 | 53.08 | 47.18 | 44.13 | 51.71 | ||||||||||||
2007 | 42.31 | 46.52 | 48.40 | 50.30 | 54.35 | 58.23 | 64.18 | a | 63.16 | 59.60 | 52.89 | 46.88 | 42.79 | b | 52.47 | |||||||||||
2008 | 41.56 | 45.95 | 44.97 | 47.07 | 53.03 | a | 53.92 | 57.81 | 60.05 | 57.97 | 51.00 | 48.47 | 38.84 | 50.05 | ||||||||||||
2009 | 40.98 | 41.39 | 41.65 | 46.73 | 52.02 | 58.03 | 60.56 | 60.18 | 59.68 | 50.74 | 46.45 | 38.06 | 49.71 | |||||||||||||
2010 | 46.48 | 46.54 | 46.66 | 48.27 | 50.44 | 55.58 | 57.18 | a | 58.55 | a | 59.10 | 52.76 | 43.52 | 43.52 | 50.72 | |||||||||||
2011 | 42.21 | 40.12 | 44.85 | 45.03 | 50.35 | 56.63 | 58.94 | 60.23 | 59.83 | 52.29 | 43.22 | 40.18 | 49.49 | |||||||||||||
2012 | 40.97 | 43.66 | 43.65 | 48.75 | 52.18 | 54.87 | 59.24 | 61.61 | 58.58 | 52.26 | 47.37 | 42.45 | 50.46 | |||||||||||||
2013 | 39.53 | 43.54 | 45.84 | 48.15 | 53.63 | a | 59.17 | 59.98 | 61.56 | 60.13 | 51.32 | 45.72 | 38.05 | 50.55 | ||||||||||||
2014 | 43.58 | 41.14 | 47.48 | 50.00 | 56.37 | 57.92 | 60.98 | a | 62.42 | 62.25 | 57.71 | 46.42 | 45.60 | 52.66 | ||||||||||||
2015 | 46.18 | 50.00 | 49.85 | 49.02 | 54.31 | 59.53 | 63.85 | 63.26 | 59.00 | 57.16 | 45.48 | 43.24 | 53.41 | |||||||||||||
2016 | 44.05 | 47.91 | 47.76 | 53.83 | 55.52 | 58.07 | 60.94 | 62.34 | 58.03 | 53.73 | 50.60 | 38.65 | 52.62 | |||||||||||||
2017 | 39.03 | 41.59 | 45.29 | 49.10 | 53.35 | 57.91 | a | 60.26 | 62.66 | 61.10 | 52.31 | 46.58 | 41.16 | 50.86 | ||||||||||||
2018 | 45.50 | 40.96 | 45.13 | 50.35 | 55.68 | 58.43 | 61.69 | 62.47 | 59.48 | 53.60 | 49.00 | 44.47 | 52.23 | |||||||||||||
2019 | 45.47 | 38.62 | 47.26 | 49.55 | 55.39 | 57.82 | 62.56 | 63.98 | 59.73 | 49.94 | 46.02 | 43.68 | 51.67 | |||||||||||||
2020 | 44.82 | 42.88 | 42.79 | 49.28 | 55.61 | 57.33 | 59.89 | 61.60 | 62.40 | 52.82 | 45.90 | 44.48 | 51.65 | |||||||||||||
2021 | 43.34 | 41.29 | 43.60 | 48.65 | 52.29 | 60.22 | c | 62.35 | 62.92 | 60.28 | 53.11 | 49.10 | 40.73 | 51.49 | ||||||||||||
2022 | 44.13 | 45.00 | 47.56 | 47.08 | 51.70 | a | 58.46 | b | 62.87 | 65.42 | 63.17 | 57.73 | 44.57 | 43.39 | 52.59 | |||||||||||
2023 | 45.92 | 42.64 | 44.58 | 47.78 | a | 56.38 | b | 58.28 | 62.90 | 66.52 | 59.12 | a | 54.00 | 44.93 | 45.65 | a | 52.39 | |||||||||
2024 | 42.92 | 44.45 | 45.48 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 44.28 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 42.21 | 43.70 | 45.57 | 48.63 | 53.25 | 57.14 | 60.26 | 61.17 | 59.35 | 52.96 | 46.23 | 42.15 | 51.00 | |||||||||||||
S.D. | 2.89 | 2.75 | 2.34 | 2.01 | 1.90 | 1.77 | 1.69 | 1.74 | 2.04 | 1.89 | 2.33 | 2.57 | 1.13 | |||||||||||||
SKEW | -0.55 | 0.01 | -0.19 | -0.27 | 0.27 | -0.30 | -0.29 | 0.28 | 0.25 | 0.56 | -0.61 | -0.44 | -0.45 | |||||||||||||
MAX | 47.21 | 50.00 | 50.56 | 53.83 | 58.03 | 61.84 | 64.18 | 66.52 | 63.30 | 57.73 | 50.60 | 47.26 | 53.41 | |||||||||||||
MIN | 34.31 | 37.04 | 39.84 | 43.63 | 49.37 | 51.48 | 55.16 | 57.23 | 55.12 | 49.69 | 38.17 | 36.05 | 47.58 | |||||||||||||
YRS | 71 | 71 | 71 | 70 | 69 | 70 | 70 | 70 | 70 | 69 | 70 | 69 | 67 |