YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1960 | ----- | z | ----- | z | ----- | z | ----- | z | 46.06 | 60.90 | 62.35 | 62.35 | 56.83 | 43.84 | 33.77 | 24.61 | 48.84 | d | ||||||||
1961 | 26.35 | 27.86 | 31.65 | 39.13 | 46.94 | 57.70 | 61.61 | 61.71 | 53.67 | 43.03 | 31.57 | 29.71 | 42.58 | |||||||||||||
1962 | 22.94 | 32.50 | 28.81 | 41.83 | 45.97 | 54.43 | 60.68 | 61.26 | 56.57 | 45.77 | 36.17 | 29.61 | 43.04 | |||||||||||||
1963 | 22.48 | 28.04 | 30.81 | 38.07 | 49.19 | 53.40 | 62.81 | 59.52 | 56.03 | 46.52 | 33.90 | 24.16 | 42.08 | |||||||||||||
1964 | 19.23 | 19.07 | 30.03 | 37.67 | 48.03 | 55.10 | 63.29 | 61.26 | 54.87 | 44.94 | 31.53 | 27.39 | 41.03 | |||||||||||||
1965 | 29.35 | 25.89 | 29.23 | 39.00 | 45.48 | 51.70 | 62.61 | 60.00 | 54.07 | 43.48 | 38.90 | 29.55 | 42.44 | |||||||||||||
1966 | 23.58 | 23.61 | 32.81 | 41.83 | 49.74 | 57.20 | 64.29 | 60.84 | 54.97 | 42.13 | 36.70 | 24.65 | 42.69 | |||||||||||||
1967 | 23.90 | 28.21 | 36.61 | 39.67 | 45.94 | 55.27 | 64.03 | 60.68 | 54.80 | 44.35 | 36.53 | 26.26 | 43.02 | |||||||||||||
1968 | 27.48 | 32.69 | 33.94 | 37.70 | 48.16 | 57.77 | 61.61 | 58.23 | ----- | z | ----- | z | ----- | z | ----- | z | 44.70 | 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 | 60.68 | 52.77 | 41.35 | 32.93 | 25.77 | 42.70 | g | |||||
2010 | 25.10 | 27.86 | 30.45 | 38.43 | 44.81 | 58.30 | 63.29 | 60.90 | 55.97 | 43.87 | 27.30 | 27.87 | 42.01 | |||||||||||||
2011 | 22.23 | 21.89 | 33.81 | 41.30 | 43.20 | a | 56.07 | 64.58 | 64.45 | 55.33 | 43.55 | k | 31.07 | 22.84 | 41.52 | a | ||||||||||
2012 | 28.39 | 27.04 | a | 32.48 | 40.90 | a | 47.35 | 59.37 | 62.83 | a | 62.77 | 55.37 | 44.06 | 35.33 | 26.39 | 43.52 | ||||||||||
2013 | 22.19 | 24.64 | 35.10 | 39.17 | 44.38 | w | 60.96 | f | 62.87 | 62.06 | 55.87 | 39.10 | 34.30 | 26.48 | 40.18 | b | ||||||||||
2014 | 27.65 | 32.57 | 35.48 | 39.90 | 47.26 | 59.60 | 64.43 | a | 60.84 | 59.47 | 47.13 | 32.37 | 31.45 | 44.85 | ||||||||||||
2015 | 28.90 | 33.75 | 38.55 | 39.00 | 44.23 | 59.97 | 63.23 | 63.10 | 58.10 | 47.04 | c | 31.56 | e | 26.45 | b | 44.49 | ||||||||||
2016 | 24.38 | e | 28.00 | 34.84 | 39.10 | 44.77 | 60.13 | 63.81 | 58.47 | a | 53.90 | 46.74 | 34.96 | c | 30.20 | f | 44.46 | a | ||||||||
2017 | 28.39 | 32.57 | 36.74 | 39.30 | 43.26 | 57.07 | 61.13 | a | 58.35 | 52.23 | 42.55 | 37.43 | 26.42 | 42.95 | ||||||||||||
2018 | 23.45 | 30.04 | 32.87 | 41.10 | 47.74 | 58.83 | 63.29 | 60.87 | 54.73 | 44.68 | 28.77 | 27.97 | 42.86 | |||||||||||||
2019 | 25.52 | 25.39 | 32.35 | 38.73 | 41.32 | 53.12 | e | ----- | z | 63.16 | 56.60 | 39.58 | 34.24 | a | 27.07 | a | 39.74 | a | ||||||||
2020 | 25.87 | 28.21 | 35.65 | 38.37 | 48.77 | 55.20 | 64.26 | 63.42 | 53.03 | 43.71 | 33.90 | a | 21.77 | 42.68 | ||||||||||||
2021 | 24.26 | 25.79 | 29.23 | 39.27 | 46.94 | 59.77 | 62.16 | 60.52 | 55.57 | 41.06 | 34.47 | 30.42 | 42.45 | |||||||||||||
2022 | 23.65 | 21.46 | b | 30.26 | 41.43 | 50.81 | 62.53 | 66.48 | 63.87 | 57.80 | 44.87 | 30.63 | 30.84 | 43.72 | ||||||||||||
2023 | 26.94 | 27.11 | 33.61 | 37.70 | 49.32 | 56.80 | 67.19 | 65.97 | 59.47 | 46.68 | 37.17 | 26.81 | 44.56 | |||||||||||||
2024 | 27.48 | 31.59 | 33.56 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 30.88 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 25.20 | 27.64 | 32.99 | 39.48 | 46.60 | 57.28 | 63.31 | 61.47 | 55.57 | 43.93 | 33.72 | 27.02 | 43.00 | |||||||||||||
S.D. | 2.61 | 3.93 | 2.67 | 1.35 | 2.38 | 2.78 | 1.57 | 1.93 | 1.93 | 2.30 | 2.86 | 2.55 | 0.99 | |||||||||||||
SKEW | -0.22 | -0.30 | 0.16 | 0.46 | -0.33 | -0.18 | 0.69 | 0.28 | 0.38 | -0.45 | -0.33 | -0.11 | 0.28 | |||||||||||||
MAX | 29.35 | 33.75 | 38.55 | 41.83 | 50.81 | 62.53 | 67.19 | 65.97 | 59.47 | 47.13 | 38.90 | 31.45 | 44.85 | |||||||||||||
MIN | 19.23 | 19.07 | 28.81 | 37.67 | 41.32 | 51.70 | 60.68 | 58.23 | 52.23 | 39.10 | 27.30 | 21.77 | 41.03 | |||||||||||||
YRS | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 24 | 23 | 22 | 23 | 22 | 17 |