YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1963 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1964 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1966 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1967 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1968 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1969 | ----- | z | ----- | z | ----- | z | ----- | z | 81.19 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 81.19 | k | |
1970 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 71.33 | a | ----- | z | ----- | z | 71.33 | k |
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 | 48.83 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 48.83 | k |
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 | 66.75 | s | 81.57 | 93.00 | 92.63 | a | 88.08 | e | 73.73 | e | 57.13 | 44.26 | 75.77 | e | ||||
2009 | 31.08 | r | 52.08 | c | 54.61 | c | 63.87 | 77.06 | 79.40 | 97.14 | b | 92.26 | 88.80 | 65.94 | 54.47 | 44.71 | 70.03 | a | ||||||||
2010 | 49.48 | 53.11 | 58.26 | 57.57 | 64.90 | 77.57 | 94.23 | 90.23 | 82.47 | 71.74 | 50.77 | 46.87 | a | 66.43 | ||||||||||||
2011 | 48.16 | 49.46 | 51.74 | 57.47 | 67.26 | 75.86 | a | 86.93 | a | 92.77 | 88.63 | 68.87 | 53.13 | 50.39 | 65.89 | |||||||||||
2012 | 48.10 | 52.34 | 53.00 | 63.83 | 75.38 | b | 77.61 | b | 90.00 | 95.70 | a | 90.79 | a | 73.61 | 57.72 | a | 43.74 | 68.49 | ||||||||
2013 | 43.19 | 52.61 | 61.90 | 65.71 | b | 74.68 | 83.63 | 98.10 | 90.13 | 80.87 | 68.74 | 58.60 | 43.65 | 68.48 | ||||||||||||
2014 | 50.65 | 53.71 | 61.17 | a | 66.43 | 76.52 | 82.97 | 98.23 | 92.65 | 86.43 | 71.64 | c | 54.79 | a | 50.74 | 70.49 | ||||||||||
2015 | 52.86 | b | 58.62 | b | 65.48 | b | 66.17 | a | 73.78 | d | 90.65 | d | 92.00 | b | 92.40 | a | 84.76 | a | 76.50 | a | 53.10 | a | 44.74 | 70.92 | ||
2016 | 46.33 | a | 57.04 | b | 57.11 | d | 70.79 | b | 74.03 | 85.10 | 91.33 | a | 95.42 | 83.07 | 65.11 | c | 58.50 | b | 43.73 | e | 68.96 | |||||
2017 | 42.82 | c | 51.33 | d | 57.15 | d | 60.57 | b | 75.11 | d | 84.90 | 96.53 | a | 96.96 | d | 85.14 | b | 70.48 | b | 55.68 | b | 47.06 | 68.65 | |||
2018 | 51.21 | b | 53.23 | b | 56.57 | c | 63.85 | d | 76.58 | 82.54 | b | 97.64 | f | 94.61 | c | 85.38 | a | 71.48 | 59.80 | 47.58 | 67.53 | a | ||||
2019 | 52.40 | a | 44.44 | a | 56.58 | 66.07 | 73.35 | 84.83 | 91.63 | a | 93.52 | 80.27 | 66.35 | 61.24 | a | 47.73 | a | 68.20 | ||||||||
2020 | 46.37 | a | 57.63 | b | 57.93 | b | 69.69 | a | 74.93 | b | 82.93 | 93.81 | 95.11 | d | 89.75 | b | 76.32 | c | 54.64 | e | 47.27 | a | 70.53 | |||
2021 | 47.43 | a | 50.85 | a | 58.19 | 71.04 | c | 77.26 | d | 90.97 | 99.14 | c | 94.80 | f | 85.79 | a | 67.48 | 54.97 | 45.65 | 68.07 | a | |||||
2022 | 53.00 | d | 58.73 | f | 62.20 | f | 60.13 | 69.22 | d | 81.08 | d | 97.93 | b | 96.96 | d | 87.72 | e | 78.25 | c | 51.92 | e | 43.56 | d | 71.98 | b | |
2023 | 48.11 | d | 50.16 | c | 47.32 | l | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 49.14 | j |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 48.60 | 52.62 | 57.67 | 64.51 | 74.08 | 82.77 | 94.29 | 93.67 | 85.86 | 71.10 | 55.76 | 46.11 | 68.71 | |||||||||||||
S.D. | 3.15 | 3.62 | 3.66 | 4.41 | 4.15 | 4.32 | 3.67 | 2.20 | 3.18 | 3.92 | 3.00 | 2.37 | 1.67 | |||||||||||||
SKEW | -0.31 | -0.28 | 0.45 | -0.14 | -0.78 | 0.38 | -0.36 | -0.03 | -0.28 | 0.19 | 0.16 | 0.65 | -0.29 | |||||||||||||
MAX | 53.00 | 58.62 | 65.48 | 71.04 | 81.19 | 90.97 | 99.14 | 96.96 | 90.79 | 78.25 | 61.24 | 50.74 | 70.92 | |||||||||||||
MIN | 42.82 | 44.44 | 51.74 | 57.47 | 64.90 | 75.86 | 86.93 | 90.13 | 80.27 | 65.11 | 50.77 | 43.56 | 65.89 | |||||||||||||
YRS | 15 | 14 | 13 | 14 | 15 | 15 | 14 | 14 | 15 | 16 | 15 | 15 | 10 |