YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1963 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 67.93 | c | ----- | z | ----- | z | ----- | z | ----- | z | 67.93 | k |
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1970 | ----- | z | ----- | z | 25.22 | m | 35.52 | i | 54.90 | k | ----- | z | 67.90 | j | 69.90 | j | 59.16 | k | 41.36 | i | 38.67 | o | 30.21 | l | ----- | z |
1971 | 29.60 | p | 27.89 | i | 32.67 | j | 45.12 | n | 52.00 | k | ----- | 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 | 42.45 | k | 30.00 | l | 19.17 | s | ----- | 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 | 27.60 | p | ----- | 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 | 32.44 | n | ----- | 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 | 39.47 | p | ----- | 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 | 57.08 | e | 50.58 | g | ----- | z | 22.10 | k | 57.08 | k |
2004 | 22.46 | e | 21.10 | h | 37.28 | f | 37.67 | f | 48.04 | e | 59.50 | h | 64.85 | e | 61.76 | f | 56.55 | h | 40.29 | g | 33.62 | d | 27.86 | j | 42.24 | h |
2005 | 27.58 | 25.05 | f | 28.26 | 36.80 | 49.48 | 58.73 | 72.03 | a | 61.68 | 56.28 | a | 45.77 | a | 34.20 | 25.61 | 45.13 | a | ||||||||
2006 | 27.39 | c | 27.71 | 29.47 | a | 43.03 | a | 54.13 | a | 67.87 | 68.83 | a | 62.57 | a | 49.80 | 39.00 | a | 31.00 | b | 27.19 | j | 45.53 | a | |||
2007 | 23.70 | a | 26.57 | 36.69 | b | 42.60 | 51.94 | 66.53 | 70.60 | a | 62.61 | 54.50 | 42.00 | a | 31.33 | f | 15.03 | a | 44.80 | a | ||||||
2008 | 12.77 | 17.21 | a | 23.45 | 32.21 | a | 48.93 | a | 64.70 | 71.19 | 67.83 | b | 58.00 | a | 46.45 | 35.30 | 22.42 | 41.71 | ||||||||
2009 | 25.94 | 27.21 | 34.84 | 38.42 | d | 50.35 | 55.24 | a | 65.48 | 64.48 | 57.62 | a | 41.83 | a | 40.20 | 22.42 | 43.67 | |||||||||
2010 | 29.58 | 26.54 | 36.72 | b | 41.59 | a | 49.58 | 65.77 | ----- | z | 63.57 | a | 62.60 | 47.60 | a | 31.60 | 27.74 | 43.90 | a | |||||||
2011 | 19.81 | 20.56 | a | 31.32 | 33.70 | 40.90 | a | 57.60 | 63.66 | b | 64.89 | c | 57.67 | f | 46.73 | e | 33.10 | 26.80 | a | 39.91 | a | |||||
2012 | 28.32 | 25.89 | b | 40.40 | f | 47.00 | e | 55.40 | a | ----- | z | 68.00 | m | 68.44 | o | 57.00 | d | 45.52 | 38.07 | 24.03 | a | 40.15 | d | |||
2013 | 24.90 | 22.96 | 34.55 | 37.33 | 49.87 | 67.40 | 68.74 | 63.71 | 57.27 | 39.74 | 35.93 | 24.58 | 43.92 | |||||||||||||
2014 | 27.58 | 29.14 | 36.52 | 39.63 | 49.55 | 62.47 | 68.58 | 61.45 | 60.20 | 46.84 | 34.21 | a | 27.77 | 45.33 | ||||||||||||
2015 | 31.29 | 33.36 | 39.65 | 41.87 | 45.32 | 64.67 | 63.39 | 65.45 | 60.23 | 50.10 | 31.57 | 24.48 | 45.95 | |||||||||||||
2016 | 25.27 | a | 31.76 | 35.67 | a | 40.70 | 47.32 | 66.20 | 67.81 | 61.87 | 58.52 | c | 50.81 | 37.77 | ----- | z | 47.61 | a | ||||||||
2017 | 24.77 | 31.93 | a | 40.29 | 42.89 | b | 47.48 | 67.23 | 69.03 | 66.00 | ----- | z | 47.55 | 42.53 | 32.71 | 46.58 | a | |||||||||
2018 | 36.57 | j | 29.39 | 33.68 | 42.40 | 55.61 | 67.00 | a | 72.39 | 68.13 | 62.03 | 42.19 | 29.77 | 23.97 | 47.87 | a | ||||||||||
2019 | 24.97 | 21.04 | 31.61 | 42.30 | 43.29 | 58.00 | 67.61 | 67.61 | 59.50 | 40.03 | 34.90 | 25.87 | 43.06 | |||||||||||||
2020 | 25.52 | 25.79 | a | 32.68 | 40.69 | d | 55.14 | j | 63.17 | 68.42 | 71.65 | 59.78 | c | 49.57 | a | 36.13 | 26.58 | 45.45 | a | |||||||
2021 | 26.30 | d | 24.04 | 32.06 | 40.37 | 51.06 | 65.87 | 69.29 | 65.65 | 62.21 | a | 41.57 | a | 38.60 | 26.39 | 45.28 | ||||||||||
2022 | 26.74 | 24.50 | 31.48 | 40.41 | a | 49.84 | 63.10 | 67.23 | 65.42 | 61.03 | 43.53 | a | 31.33 | 27.06 | 44.31 | |||||||||||
2023 | 23.35 | 31.89 | 33.35 | 39.93 | 54.10 | 61.03 | 73.35 | 69.13 | 60.87 | 48.29 | 37.69 | a | 32.42 | 47.12 | ||||||||||||
2024 | 27.19 | 29.97 | 34.32 | 43.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 33.62 | h | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 25.27 | 26.71 | 33.51 | 40.34 | 49.59 | 63.48 | 68.47 | 65.35 | 58.58 | 45.01 | 35.13 | 25.64 | 44.48 | |||||||||||||
S.D. | 3.89 | 4.32 | 3.96 | 3.39 | 3.84 | 3.86 | 2.86 | 2.82 | 3.13 | 3.68 | 3.42 | 3.96 | 1.63 | |||||||||||||
SKEW | -1.63 | -0.41 | -0.56 | -0.73 | -0.40 | -0.76 | -0.18 | 0.42 | -1.14 | -0.12 | 0.37 | -0.60 | -0.07 | |||||||||||||
MAX | 31.29 | 33.36 | 40.29 | 47.00 | 55.61 | 67.87 | 73.35 | 71.65 | 62.60 | 50.81 | 42.53 | 32.71 | 47.12 | |||||||||||||
MIN | 12.77 | 17.21 | 23.45 | 32.21 | 40.90 | 55.24 | 63.39 | 61.45 | 49.80 | 39.00 | 29.77 | 15.03 | 41.71 | |||||||||||||
YRS | 20 | 19 | 19 | 20 | 19 | 18 | 18 | 19 | 18 | 19 | 19 | 17 | 9 |