YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 85.17 | o | 84.26 | 79.68 | 80.27 | 72.58 | 61.30 | 51.34 | 71.57 | f | ||||||
1955 | 44.90 | 46.66 | 57.13 | 62.17 | 71.08 | 80.28 | 81.56 | 79.19 | 79.60 | 72.32 | 56.93 | 53.21 | 65.42 | |||||||||||||
1956 | 53.92 | a | 46.16 | 59.19 | 62.12 | 74.42 | 84.27 | 82.18 | a | 80.81 | 82.08 | 68.94 | 53.87 | 49.29 | 66.44 | |||||||||||
1957 | 50.69 | 58.55 | 56.63 | 61.03 | 67.52 | 82.27 | 83.87 | 79.83 | b | 77.86 | e | 64.53 | 49.92 | 50.02 | 65.23 | |||||||||||
1958 | 45.90 | a | 50.04 | 48.15 | 58.68 | 75.71 | 81.27 | 82.53 | 79.76 | 74.38 | 65.11 | 52.92 | 50.29 | 63.73 | ||||||||||||
1959 | 48.90 | 47.77 | 55.10 | 64.97 | 68.39 | 80.62 | 80.85 | 75.10 | 74.68 | 67.66 | 55.00 | 48.29 | 63.94 | |||||||||||||
1960 | 43.23 | a | 45.97 | 60.00 | 64.72 | 70.60 | 83.15 | 83.97 | a | 81.56 | 78.98 | 63.27 | 56.45 | 45.05 | 64.75 | |||||||||||
1961 | 48.39 | 50.85 | a | 54.63 | 63.75 | 70.81 | 82.00 | 82.40 | 78.67 | a | 72.12 | 62.39 | 49.90 | 45.76 | 63.47 | |||||||||||
1962 | 43.77 | 50.45 | 51.60 | 68.75 | 70.21 | 79.73 | 83.37 | 85.48 | 78.07 | a | 68.26 | 59.85 | 50.45 | 65.83 | ||||||||||||
1963 | 44.95 | a | 54.93 | 55.48 | 61.47 | 74.55 | 78.02 | 84.97 | a | 77.71 | 78.83 | 70.63 | 56.32 | 48.77 | 65.55 | |||||||||||
1964 | 45.03 | a | 46.07 | 52.06 | 60.47 | 71.29 | 79.03 | 83.97 | a | 79.22 | a | 73.65 | 69.74 | 52.55 | 48.02 | 63.42 | ||||||||||
1965 | 49.77 | 48.64 | 53.40 | a | 61.60 | 67.77 | 75.67 | a | 82.66 | 82.56 | 75.03 | a | 70.00 | 59.43 | 48.22 | b | 64.57 | |||||||||
1966 | 44.19 | 45.12 | 57.89 | 64.45 | 73.79 | 80.77 | 84.95 | a | 80.11 | 75.23 | 66.71 | 57.98 | 48.24 | 64.95 | ||||||||||||
1967 | 47.53 | 54.05 | 60.20 | a | 60.23 | 69.98 | 78.08 | 82.81 | 80.77 | 77.15 | 68.42 | 58.55 | 43.90 | 65.14 | ||||||||||||
1968 | 47.44 | 55.29 | 54.87 | 60.60 | 70.58 | 81.45 | 81.97 | a | 77.23 | 77.43 | 68.58 | 54.98 | 46.22 | b | 64.72 | |||||||||||
1969 | 51.19 | 49.46 | 52.21 | 64.40 | 73.68 | 79.18 | 84.24 | 84.39 | 78.23 | 65.08 | 54.55 | 49.50 | 65.51 | |||||||||||||
1970 | 47.18 | 53.70 | 53.16 | 58.57 | 72.84 | 81.62 | 84.87 | 82.40 | 74.97 | 62.63 | 57.72 | 49.52 | 64.93 | |||||||||||||
1971 | 48.44 | 51.09 | 59.55 | 62.55 | 68.74 | 80.77 | 86.35 | 79.07 | a | 76.67 | 61.40 | a | 53.83 | 44.37 | 64.40 | |||||||||||
1972 | 47.87 | 53.53 | 64.90 | 65.95 | 71.87 | 79.70 | 85.26 | 81.63 | 76.15 | 65.24 | 50.98 | 46.24 | 65.78 | |||||||||||||
1973 | 44.50 | a | 49.91 | 49.56 | 58.38 | a | 72.73 | 80.35 | 82.92 | 83.85 | 78.73 | 70.21 | 55.92 | 50.11 | 64.76 | |||||||||||
1974 | 48.37 | 49.96 | 58.82 | 64.45 | 73.27 | 86.20 | 81.77 | 80.56 | 75.20 | 66.03 | 54.40 | 44.87 | 65.33 | |||||||||||||
1975 | 47.42 | a | 49.25 | 53.87 | 56.90 | 69.08 | 79.55 | 82.05 | 82.71 | 76.68 | 66.92 | 55.52 | 48.39 | 64.03 | ||||||||||||
1976 | 48.18 | 54.16 | 54.69 | 62.23 | 72.27 | 81.18 | 81.56 | 81.58 | 73.84 | a | 63.53 | 54.98 | 47.74 | 64.66 | ||||||||||||
1977 | 46.23 | 53.61 | 52.81 | 63.30 | 67.77 | 82.00 | 83.73 | 82.94 | 78.18 | 69.06 | 57.08 | 52.69 | 65.78 | |||||||||||||
1978 | 48.71 | 50.48 | 58.48 | 61.85 | 70.42 | 82.83 | 84.74 | 80.90 | a | 76.53 | 70.27 | ----- | z | ----- | z | 68.52 | b | |||||||||
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 80.62 | ----- | z | 52.45 | ----- | z | 66.53 | j | ||
1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 83.53 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 83.53 | k | |
1981 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1982 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1983 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1984 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1985 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1986 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1987 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1991 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1992 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1993 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1994 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1995 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1997 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1998 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1999 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2000 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2001 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2002 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2003 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2004 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2005 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2006 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2007 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2008 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2009 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 60.75 | ----- | z | 60.75 | k | |
2010 | 50.34 | 50.05 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 50.20 | j | ||
2011 | ----- | z | ----- | z | 61.17 | d | 66.93 | 70.56 | 83.73 | 83.87 | 84.14 | c | 77.36 | b | 68.58 | a | 55.05 | b | 44.31 | 69.57 | b | |||||
2012 | 51.23 | 52.58 | c | 57.32 | 67.60 | 76.30 | a | 85.14 | a | 82.45 | 83.47 | 77.57 | 69.45 | 60.27 | 49.63 | 67.75 | ||||||||||
2013 | 45.39 | 47.86 | 61.13 | 66.62 | 75.31 | b | 86.52 | d | 83.38 | a | 82.76 | b | 78.10 | 66.56 | 58.18 | 47.98 | 66.65 | |||||||||
2014 | 52.48 | 56.71 | 60.44 | 66.20 | 74.06 | 85.78 | 84.82 | 80.50 | 77.55 | 69.68 | 57.02 | 50.17 | a | 67.95 | ||||||||||||
2015 | 49.71 | 57.00 | 61.94 | 65.25 | 69.52 | a | 84.40 | 82.63 | 83.11 | 76.70 | b | 67.79 | 53.43 | 46.39 | 66.49 | |||||||||||
2016 | 47.26 | 55.97 | 61.58 | a | 64.07 | 70.98 | a | 84.98 | 85.13 | a | 80.05 | 74.68 | 71.68 | 59.38 | 50.56 | 67.19 | ||||||||||
2017 | 48.56 | 55.30 | 63.37 | 67.68 | 72.95 | 86.17 | 83.40 | 81.23 | 78.28 | 72.37 | 64.72 | 53.11 | 68.93 | |||||||||||||
2018 | 53.60 | 53.39 | 59.19 | 69.73 | 75.77 | 84.58 | 85.00 | 82.52 | 79.90 | 65.02 | 55.45 | 48.89 | 67.75 | |||||||||||||
2019 | 48.11 | 47.57 | 58.21 | 66.27 | 68.06 | 82.17 | 86.48 | 85.08 | 77.90 | 67.21 | 57.85 | 48.23 | 66.10 | |||||||||||||
2020 | 49.02 | 51.45 | 56.79 | 66.38 | 77.31 | 83.72 | 87.60 | 88.82 | 81.60 | 72.48 | 61.73 | 48.74 | 68.80 | |||||||||||||
2021 | 49.44 | 53.79 | 56.61 | 68.13 | 75.76 | 87.32 | 83.15 | 81.53 | 78.17 | 66.73 | 61.83 | 52.52 | 67.91 | |||||||||||||
2022 | 49.44 | 50.89 | 58.37 | 68.60 | 76.50 | 84.23 | 85.23 | 79.68 | 78.78 | 66.05 | 53.32 | 49.27 | 66.70 | |||||||||||||
2023 | 46.76 | 49.16 | 55.27 | 66.45 | 73.82 | 81.08 | 91.15 | 86.08 | 81.45 | 71.61 | 60.12 | 51.92 | 67.91 | |||||||||||||
2024 | 47.97 | 52.86 | 55.18 | 64.08 | 70.12 | s | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 55.02 | h | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 48.05 | 51.32 | 56.87 | 63.88 | 72.06 | 82.19 | 83.90 | 81.49 | 77.42 | 67.76 | 56.47 | 48.71 | 65.79 | |||||||||||||
S.D. | 2.58 | 3.43 | 3.79 | 3.21 | 2.78 | 2.68 | 1.93 | 2.63 | 2.30 | 3.04 | 3.44 | 2.49 | 1.51 | |||||||||||||
SKEW | 0.24 | 0.09 | -0.14 | -0.23 | 0.09 | -0.09 | 1.44 | 0.29 | -0.07 | -0.21 | 0.15 | -0.15 | 0.44 | |||||||||||||
MAX | 53.92 | 58.55 | 64.90 | 69.73 | 77.31 | 87.32 | 91.15 | 88.82 | 82.08 | 72.58 | 64.72 | 53.21 | 68.93 | |||||||||||||
MIN | 43.23 | 45.13 | 48.15 | 56.90 | 67.52 | 75.67 | 80.85 | 75.10 | 72.12 | 61.40 | 49.90 | 43.90 | 63.42 | |||||||||||||
YRS | 38 | 38 | 38 | 38 | 37 | 38 | 38 | 38 | 39 | 38 | 39 | 37 | 35 |