YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1953 | 47.94 | o | 43.52 | 44.58 | 47.72 | 52.55 | 54.93 | 60.31 | 61.13 | 59.42 | 54.24 | 49.60 | 45.34 | 52.12 | a | |||||||||||
1954 | 40.26 | 45.04 | 42.73 | 46.52 | 52.32 | 54.22 | 57.66 | 59.63 | 58.57 | 52.74 | 50.55 | 43.42 | 50.30 | |||||||||||||
1955 | 41.00 | 41.21 | 41.32 | 43.52 | 49.23 | 55.28 | 57.81 | 58.27 | 56.70 | 52.16 | 42.85 | 41.53 | 48.41 | |||||||||||||
1956 | 41.82 | 38.40 | 42.76 | 48.47 | 53.87 | 55.13 | 60.87 | 59.87 | 57.20 | 50.31 | 44.73 | 42.32 | 49.65 | |||||||||||||
1957 | 35.81 | 42.41 | 45.61 | 48.82 | 54.18 | 57.77 | 58.94 | 60.13 | 61.97 | 53.10 | 45.92 | 45.00 | 50.80 | |||||||||||||
1958 | 45.90 | 49.21 | 44.73 | 48.43 | 55.55 | 60.85 | 62.63 | 61.94 | 58.85 | 55.03 | 46.35 | 47.60 | 53.09 | |||||||||||||
1959 | 43.71 | 42.95 | 44.95 | 49.40 | 52.18 | 56.83 | 60.31 | 58.77 | 56.35 | 53.63 | 46.57 | 42.13 | 50.65 | |||||||||||||
1960 | 40.31 | 43.67 | 44.81 | 49.12 | 50.97 | 56.27 | 59.00 | 59.81 | 57.25 | 53.48 | 46.90 | 43.47 | 50.42 | |||||||||||||
1961 | 47.27 | 46.50 | 45.74 | 47.48 | 52.61 | 58.68 | 61.85 | 61.26 | 56.37 | 51.00 | 43.70 | 42.29 | 51.23 | |||||||||||||
1962 | 40.06 | 43.70 | 43.24 | 48.30 | 50.26 | 54.82 | 58.18 | 60.47 | 58.52 | 53.34 | 48.77 | 44.55 | 50.35 | |||||||||||||
1963 | 36.89 | 49.64 | 45.05 | 48.00 | 53.00 | 55.80 | 60.23 | 61.05 | 61.12 | 54.89 | 47.73 | 44.42 | 51.48 | |||||||||||||
1964 | 43.63 | 42.26 | 44.26 | 45.82 | 49.44 | 55.22 | 59.18 | 59.26 | 57.43 | 53.81 | 44.82 | 39.97 | 49.59 | |||||||||||||
1965 | 42.31 | 44.21 | 47.18 | 49.23 | 50.82 | 56.13 | 60.19 | 61.66 | 56.95 | 55.29 | 48.80 | 40.32 | 51.09 | |||||||||||||
1966 | 42.26 | 42.57 | 43.66 | 48.98 | 50.48 | 56.15 | 59.60 | 60.29 | 59.20 | 51.69 | 47.73 | 45.52 | 50.68 | |||||||||||||
1967 | 43.76 | 43.16 | 42.21 | 43.97 | 51.71 | 58.23 | 61.03 | 62.84 | 60.43 | 52.94 | 48.07 | 41.18 | 50.79 | |||||||||||||
1968 | 42.02 | 47.47 | 46.71 | 46.07 | 52.21 | 56.08 | 60.94 | 60.03 | 57.90 | 50.58 | 47.05 | 39.52 | 50.55 | |||||||||||||
1969 | 34.27 | 40.29 | 44.29 | 46.77 | 53.47 | 59.55 | 58.55 | 58.66 | 57.17 | 50.98 | 46.47 | 44.10 | 49.55 | |||||||||||||
1970 | 41.79 | 46.27 | 44.87 | 45.25 | 51.35 | 56.60 | 59.23 | 60.18 | 56.00 | 50.97 | 47.05 | 40.76 | 50.03 | |||||||||||||
1971 | 40.71 | 42.18 | 42.02 | 46.47 | 51.34 | 54.58 | 59.40 | 62.35 | 57.83 | 51.24 | 46.80 | 41.21 | 49.68 | |||||||||||||
1972 | 39.98 | 43.22 | 47.77 | 46.58 | 54.65 | 58.23 | 62.15 | 63.42 | 57.60 | 52.24 | 47.23 | 38.60 | 50.97 | |||||||||||||
1973 | 40.45 | 44.32 | 44.34 | 48.87 | 53.34 | 56.55 | 59.69 | 57.56 | 57.88 | 51.15 | 44.23 | 45.13 | 50.29 | |||||||||||||
1974 | 38.89 | 41.95 | 44.61 | 48.00 | 50.50 | 56.12 | 59.24 | 62.05 | 60.83 | 51.92 | 48.02 | 45.53 | 50.64 | |||||||||||||
1975 | 42.85 | 43.11 | 43.73 | 44.88 | 52.76 | 55.57 | 60.65 | 59.68 | 59.15 | 50.92 | 46.13 | 44.61 | 50.34 | |||||||||||||
1976 | 44.08 | 42.64 | 43.69 | 48.67 | 52.71 | 55.87 | 61.05 | 61.63 | 60.72 | 53.13 | 48.00 | 43.45 | 51.30 | |||||||||||||
1977 | 39.84 | 46.75 | 44.53 | 48.88 | 50.15 | 56.83 | 58.63 | 62.68 | 56.98 | 51.69 | 44.60 | 43.94 | 50.46 | |||||||||||||
1978 | 44.00 | 46.02 | 46.98 | 48.73 | 52.23 | 59.37 | 60.85 | 61.45 | 58.03 | 54.31 | 41.65 | 37.60 | 50.94 | |||||||||||||
1979 | 35.31 | 41.79 | 47.29 | 49.17 | 53.82 | 56.73 | 62.34 | 61.77 | 61.40 | 54.92 | 46.87 | 47.34 | 51.56 | |||||||||||||
1980 | 38.73 | 46.43 | 44.81 | 49.48 | 52.26 | 55.43 | 60.69 | 58.79 | 58.85 | 54.98 | 50.13 | 47.50 | 51.51 | |||||||||||||
1981 | 48.16 | 46.59 | 48.05 | 49.50 | 53.34 | 57.68 | 60.39 | 62.42 | 59.07 | 52.73 | 48.97 | 45.23 | 52.68 | |||||||||||||
1982 | 41.65 | 43.95 | 45.15 | 46.78 | 52.18 | 57.82 | 59.24 | 61.27 | 59.70 | 55.50 | 46.55 | 43.50 | 51.11 | |||||||||||||
1983 | 47.26 | 50.20 | 50.84 | 50.18 | 55.68 | 59.80 | 61.18 | 61.68 | 56.52 | 50.40 | 48.57 | 37.85 | 52.51 | |||||||||||||
1984 | 43.50 | 45.43 | 48.35 | 46.70 | 50.82 | 55.53 | 59.61 | 59.89 | 58.40 | 50.26 | 46.63 | 39.60 | 50.39 | |||||||||||||
1985 | 39.29 | 40.27 | 42.76 | 48.37 | 52.47 | 56.77 | 60.61 | 59.39 | 56.13 | 50.63 | 39.15 | 39.26 | 48.76 | |||||||||||||
1986 | 46.87 | 44.05 | 49.23 | 47.43 | 52.77 | 58.32 | 58.63 | 61.05 | 55.73 | 54.84 | 47.88 | 44.39 | 51.77 | |||||||||||||
1987 | 43.65 | 46.29 | 47.98 | 50.38 | 54.97 | 57.33 | 59.24 | 60.40 | 58.37 | 54.52 | 49.57 | 40.84 | 51.96 | |||||||||||||
1988 | 41.71 | 45.76 | 45.37 | 48.85 | 52.45 | 55.63 | 59.87 | 59.23 | 56.58 | 55.44 | 47.35 | 43.32 | 50.96 | |||||||||||||
1989 | 42.11 | 37.05 | 45.03 | 51.45 | 53.11 | 58.63 | 59.73 | 60.45 | 60.35 | 52.74 | 49.17 | 44.02 | 51.15 | |||||||||||||
1990 | 44.68 | 43.11 | 47.55 | 50.27 | 52.94 | 57.58 | 62.27 | 62.68 | 60.82 | 51.10 | 47.80 | 36.90 | 51.47 | |||||||||||||
1991 | 41.31 | 48.00 | 43.26 | 46.82 | 50.73 | 54.45 | 59.55 | 59.71 | 60.62 | 51.24 | 47.23 | 44.45 | 50.61 | |||||||||||||
1992 | 45.13 | 48.28 | 48.92 | 50.90 | 54.74 | 58.62 | 60.65 | 60.60 | 56.28 | 52.56 | 46.25 | 40.63 | 51.96 | |||||||||||||
1993 | 38.87 | 41.84 | 47.34 | 49.15 | 56.23 | 57.48 | 58.94 | 60.66 | 56.62 | 54.10 | 42.23 | 42.65 | 50.51 | |||||||||||||
1994 | 45.06 | 42.05 | 48.10 | 49.98 | 53.76 | 56.47 | 59.56 | 61.73 | 60.30 | 50.29 | 41.87 | 42.32 | 50.96 | |||||||||||||
1995 | 46.34 | 46.16 | 46.35 | 48.35 | 53.82 | 57.30 | 61.85 | 59.77 | 61.35 | 52.95 | 50.57 | 45.23 | 52.50 | |||||||||||||
1996 | 42.42 | 44.07 | 46.53 | 50.37 | 51.03 | 56.43 | 60.53 | 60.34 | 56.77 | 51.69 | 45.65 | 43.56 | 50.78 | |||||||||||||
1997 | 43.53 | 43.77 | 45.90 | 48.85 | 56.77 | 58.07 | 61.35 | 63.84 | 61.88 | 52.66 | 50.20 | 43.84 | 52.56 | |||||||||||||
1998 | 45.73 | 46.73 | 46.47 | 48.13 | 51.95 | 55.72 | 60.05 | 61.23 | 58.53 | 52.34 | 47.17 | 41.90 | 51.33 | |||||||||||||
1999 | 43.05 | 44.23 | 44.47 | 47.47 | 51.48 | 56.47 | 59.10 | 61.48 | 57.80 | 52.45 | 54.40 | 47.35 | 51.65 | |||||||||||||
2000 | 43.16 | 45.84 | 45.48 | 51.13 | 53.82 | 58.18 | 62.23 | 61.26 | 59.55 | 56.03 | 46.60 | 44.89 | 52.35 | |||||||||||||
2001 | 44.39 | 42.98 | 46.10 | 46.87 | 52.87 | 55.22 | 58.56 | 60.69 | 57.58 | 51.42 | 48.62 | 44.09 | b | 50.78 | ||||||||||||
2002 | 43.19 | 44.12 | 44.18 | 48.48 | 50.97 | 57.67 | 61.37 | 60.31 | 58.55 | 51.85 | 48.62 | 45.56 | 51.24 | |||||||||||||
2003 | 48.39 | 44.12 | 47.61 | 48.43 | 52.47 | 58.60 | 61.79 | 61.40 | 59.53 | 55.42 | 45.30 | 44.06 | 52.26 | |||||||||||||
2004 | 42.89 | 45.64 | 48.02 | 50.88 | 54.95 | 59.53 | 62.90 | 63.81 | 58.37 | 53.55 | 46.20 | 44.86 | b | 52.63 | ||||||||||||
2005 | 44.68 | 44.68 | 48.34 | 49.77 | 56.42 | 58.32 | 62.03 | 62.26 | 56.03 | 53.18 | 45.15 | 43.48 | 52.03 | |||||||||||||
2006 | 46.19 | 42.66 | 44.79 | 48.83 | 53.31 | 58.70 | 60.45 | 59.06 | 58.42 | 51.00 | 46.50 | 42.71 | 51.05 | |||||||||||||
2007 | 40.06 | 43.88 | 46.66 | 47.82 | 52.77 | 56.22 | 62.00 | 61.31 | 57.50 | 51.03 | 45.15 | 42.21 | 50.55 | |||||||||||||
2008 | 40.40 | 43.62 | 43.26 | 45.20 | 53.24 | 54.28 | 58.55 | 60.27 | 58.67 | 52.53 | 49.88 | 40.08 | 50.00 | |||||||||||||
2009 | 43.18 | 42.38 | 43.50 | 48.15 | 53.16 | 59.03 | 61.66 | 61.76 | 60.42 | 53.34 | 48.45 | 40.19 | 51.27 | |||||||||||||
2010 | 48.24 | 47.73 | 48.15 | 48.62 | 51.00 | 56.28 | 59.47 | 60.18 | 59.73 | 53.05 | 44.72 | 44.53 | 51.81 | |||||||||||||
2011 | 42.26 | 40.55 | 45.08 | 44.90 | 50.19 | 56.73 | 59.06 | 61.02 | 59.65 | 53.16 | 44.57 | 40.13 | 49.78 | |||||||||||||
2012 | 42.26 | 44.07 | 43.61 | 48.75 | 51.48 | 55.13 | 59.29 | 60.71 | 58.07 | 52.15 | 47.87 | 43.69 | 50.59 | |||||||||||||
2013 | 40.76 | 44.39 | 46.26 | 48.72 | 53.97 | 58.85 | 60.16 | 61.37 | 59.93 | 51.05 | 46.93 | 37.89 | 50.86 | |||||||||||||
2014 | 44.92 | 42.34 | 48.10 | 50.32 | 56.47 | 58.68 | 61.52 | 63.23 | 62.35 | 58.06 | 47.22 | 47.08 | 53.36 | |||||||||||||
2015 | 46.26 | 49.46 | 49.68 | 49.33 | 54.95 | 59.83 | 64.13 | 63.68 | 59.17 | 58.15 | 46.92 | 46.16 | 53.98 | |||||||||||||
2016 | 45.71 | 48.98 | 48.93 | b | 53.27 | 55.73 | 59.12 | 62.84 | 64.27 | 60.48 | 56.18 | 53.32 | 41.10 | 54.16 | ||||||||||||
2017 | 39.92 | 42.77 | 46.53 | 49.03 | 53.74 | 58.15 | 60.26 | 62.11 | 60.60 | 51.92 | 47.63 | 42.40 | 51.26 | |||||||||||||
2018 | 47.32 | 42.11 | 44.82 | 49.83 | 55.66 | 58.17 | 61.31 | 61.87 | 58.05 | 53.53 | 48.83 | 44.74 | 52.19 | |||||||||||||
2019 | 45.26 | 38.77 | 44.98 | 50.28 | 55.42 | 58.07 | 62.10 | 63.39 | 59.65 | 49.84 | 46.08 | 43.63 | 51.46 | |||||||||||||
2020 | 45.71 | 42.55 | 43.06 | 48.52 | 55.21 | 57.45 | 60.03 | 61.53 | 62.30 | 52.76 | 46.02 | 44.82 | 51.66 | |||||||||||||
2021 | 43.39 | 42.45 | 43.45 | 49.07 | 53.27 | 60.47 | 60.87 | 61.05 | 58.87 | 52.56 | 48.90 | 40.82 | 51.26 | |||||||||||||
2022 | 44.47 | b | 44.16 | 45.45 | 46.67 | 51.19 | 58.57 | 62.79 | 64.40 | 61.23 | 56.00 | 43.73 | 42.21 | 51.74 | ||||||||||||
2023 | 43.74 | 41.61 | 43.55 | 47.58 | 55.84 | b | 57.20 | 62.23 | 64.81 | b | 59.08 | 55.58 | 47.08 | 47.44 | 52.15 | |||||||||||
2024 | 45.19 | 45.57 | 47.32 | 49.52 | f | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 46.03 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 42.82 | 44.11 | 45.60 | 48.34 | 52.95 | 57.16 | 60.44 | 61.13 | 58.76 | 52.94 | 46.97 | 43.01 | 51.18 | |||||||||||||
S.D. | 3.03 | 2.64 | 2.05 | 1.78 | 1.83 | 1.60 | 1.39 | 1.52 | 1.72 | 1.87 | 2.48 | 2.56 | 1.08 | |||||||||||||
SKEW | -0.47 | 0.11 | 0.26 | -0.35 | 0.18 | 0.12 | 0.24 | 0.26 | 0.19 | 0.63 | -0.15 | -0.33 | 0.29 | |||||||||||||
MAX | 48.39 | 50.20 | 50.84 | 53.27 | 56.77 | 60.85 | 64.13 | 64.81 | 62.35 | 58.15 | 54.40 | 47.60 | 54.16 | |||||||||||||
MIN | 34.27 | 37.05 | 41.32 | 43.52 | 49.23 | 54.22 | 57.66 | 57.56 | 55.73 | 49.84 | 39.15 | 36.90 | 48.41 | |||||||||||||
YRS | 71 | 72 | 72 | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 71 | 70 |