YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1960 | ----- | z | ----- | z | ----- | z | ----- | z | 80.71 | 93.47 | 89.19 | 90.26 | 86.17 | 71.55 | 64.63 | 48.61 | 78.07 | d | ||||||||
1961 | 53.26 | 58.75 | 62.97 | 73.87 | 82.48 | 90.83 | 92.71 | 88.19 | 79.53 | 73.32 | 55.43 | 52.10 | 71.95 | |||||||||||||
1962 | 48.84 | 60.04 | 58.10 | 75.30 | 80.68 | 88.50 | 86.77 | 91.97 | 82.87 | 74.90 | 64.83 | 53.77 | 72.21 | |||||||||||||
1963 | 50.29 | 59.32 | 64.19 | 72.37 | 84.39 | 89.00 | 91.87 | 83.97 | 84.20 | 76.77 | 62.57 | 55.81 | 72.90 | |||||||||||||
1964 | 50.77 | 51.90 | 59.58 | 68.50 | 81.35 | 88.13 | 90.94 | 87.97 | 78.73 | 75.19 | 61.03 | 52.65 | 70.56 | |||||||||||||
1965 | 54.97 | 55.11 | 58.68 | 71.73 | 78.19 | 86.33 | 90.90 | 87.71 | 78.73 | 74.97 | 65.03 | 51.39 | 71.15 | |||||||||||||
1966 | 47.61 | 49.36 | 64.68 | 71.83 | 80.74 | 87.43 | 91.94 | 85.84 | 80.63 | 72.45 | 64.30 | 53.55 | 70.86 | |||||||||||||
1967 | 55.77 | 58.61 | 68.61 | 70.43 | 76.97 | 85.80 | 89.23 | 84.16 | 78.70 | 74.77 | 63.10 | 45.81 | 71.00 | |||||||||||||
1968 | 50.97 | 57.83 | 58.52 | 66.20 | 79.19 | 88.93 | 86.87 | 82.81 | ----- | z | ----- | z | ----- | z | ----- | z | 71.41 | d | ||||||||
1969 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1970 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1971 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1972 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1973 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1974 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1975 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1976 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1977 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1978 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | 88.00 | 80.10 | 70.23 | 63.30 | 49.19 | 70.16 | g | |||||
2010 | 49.19 | 52.18 | 60.58 | 68.47 | 78.39 | 89.30 | 86.35 | 86.19 | 84.27 | 73.03 | 59.33 | 58.13 | 70.45 | |||||||||||||
2011 | 52.84 | 54.61 | 68.81 | 74.27 | 77.68 | 92.03 | 90.42 | 89.55 | 82.67 | 72.90 | k | 58.80 | 45.13 | 71.53 | a | |||||||||||
2012 | 56.13 | 56.21 | a | 65.06 | 75.28 | a | 81.10 | 92.50 | 87.03 | a | 88.29 | 81.67 | 76.32 | 65.67 | 52.74 | 73.17 | ||||||||||
2013 | 48.97 | 53.46 | 66.45 | 72.23 | 71.38 | w | 93.25 | f | 85.52 | 85.19 | 79.37 | 71.10 | 59.50 | 51.74 | 67.35 | b | ||||||||||
2014 | 57.65 | 61.54 | 64.16 | 71.07 | 78.00 | 91.30 | 89.40 | a | 83.55 | 79.03 | 74.10 | 60.90 | 53.29 | 72.00 | ||||||||||||
2015 | 51.16 | 61.71 | 65.29 | 69.53 | 75.45 | 88.67 | 86.23 | 88.48 | 81.90 | 71.93 | c | 61.48 | e | 52.62 | b | 71.20 | ||||||||||
2016 | 52.15 | e | 63.14 | 67.03 | 69.59 | a | 77.29 | 90.07 | 92.81 | 83.97 | 81.07 | 76.83 | h | 59.08 | f | 53.00 | i | 75.23 | c | |||||||
2017 | 52.26 | 60.96 | 70.26 | 73.30 | 79.29 | 92.03 | 88.71 | 84.35 | 83.00 | 76.58 | 70.63 | 57.35 | 74.06 | |||||||||||||
2018 | 57.55 | 59.54 | 65.58 | 76.10 | 84.03 | 92.77 | 89.29 | 89.10 | 83.90 | 67.23 | 60.03 | 51.71 | 73.07 | |||||||||||||
2019 | 53.19 | 53.71 | 63.65 | 71.93 | 75.35 | 88.00 | e | ----- | z | 90.94 | 82.80 | 71.58 | 60.93 | a | 51.43 | a | 69.41 | a | ||||||||
2020 | 55.23 | 55.59 | 62.23 | 72.60 | 84.00 | 90.53 | 93.48 | 93.61 | 83.48 | a | 78.42 | 66.03 | 53.10 | a | 74.03 | |||||||||||
2021 | 53.87 | 58.57 | 61.94 | 73.17 | 82.29 | 91.57 | 86.63 | a | 85.73 | a | 82.63 | 72.83 | a | 67.27 | 58.35 | 72.90 | ||||||||||
2022 | 53.61 | 56.00 | b | 64.55 | 77.57 | 87.16 | 91.57 | 93.03 | 86.77 | 85.87 | 70.77 | 60.27 | 56.39 | 73.63 | ||||||||||||
2023 | 54.06 | 56.61 | 63.65 | 75.97 | 82.42 | 90.90 | 99.42 | 93.29 | 88.33 | 78.06 | 65.00 | 56.35 | 75.34 | |||||||||||||
2024 | 52.10 | 58.86 | 61.42 | 69.37 | k | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 57.46 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 52.71 | 57.11 | 63.74 | 72.33 | 80.33 | 89.98 | 89.94 | 87.50 | 82.16 | 73.62 | 62.73 | 52.78 | 72.38 | |||||||||||||
S.D. | 2.76 | 3.52 | 3.32 | 2.83 | 3.07 | 2.12 | 3.28 | 3.07 | 2.62 | 2.80 | 3.37 | 3.53 | 1.41 | |||||||||||||
SKEW | 0.03 | -0.34 | 0.02 | -0.19 | 0.27 | -0.27 | 0.93 | 0.38 | 0.44 | -0.19 | 0.15 | -0.41 | 0.34 | |||||||||||||
MAX | 57.65 | 63.14 | 70.26 | 77.57 | 87.16 | 93.47 | 99.42 | 93.61 | 88.33 | 78.42 | 70.63 | 58.35 | 75.34 | |||||||||||||
MIN | 47.61 | 49.36 | 58.10 | 66.20 | 75.35 | 85.80 | 85.52 | 82.81 | 78.70 | 67.23 | 55.43 | 45.13 | 70.45 | |||||||||||||
YRS | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 24 | 23 | 21 | 22 | 22 | 17 |