YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 55.69 | l | 51.73 | a | 41.33 | 43.39 | 45.48 | i | ||
1959 | 41.27 | 37.84 | 42.44 | 52.25 | 56.03 | 63.78 | 64.33 | a | 61.24 | 59.58 | 53.45 | a | 49.22 | 38.45 | 51.66 | |||||||||||
1960 | 29.45 | 31.36 | a | 43.08 | 44.45 | 51.69 | 64.33 | 65.02 | 63.81 | 59.60 | 46.85 | 43.60 | 36.97 | b | 48.35 | |||||||||||
1961 | ----- | z | 37.38 | 42.08 | 46.98 | 51.10 | 61.53 | 64.44 | 62.21 | 56.22 | a | 49.24 | 45.12 | a | 32.92 | a | 49.93 | a | ||||||||
1962 | 38.18 | a | 34.79 | 31.55 | a | 45.22 | 50.68 | a | 55.80 | 61.89 | 63.94 | 59.43 | 55.35 | 50.78 | 38.74 | 48.86 | ||||||||||
1963 | ----- | z | 35.36 | c | 41.00 | 47.28 | 52.87 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 44.13 | h | |||
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 | ----- | 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 | 46.47 | 41.63 | 37.05 | 41.72 | i | |||
1982 | 32.76 | b | 35.37 | b | 37.84 | b | 44.85 | 49.66 | 57.42 | 61.32 | 60.98 | 56.70 | 47.24 | 41.10 | a | ----- | z | 47.75 | a | |||||||
1983 | ----- | z | ----- | z | ----- | z | ----- | z | 58.50 | r | 58.86 | a | 63.23 | 61.08 | a | 59.50 | c | 47.87 | h | 39.11 | c | 37.04 | c | 53.14 | f | |
1984 | 35.02 | b | 35.60 | 39.79 | b | 42.95 | a | 57.48 | c | 60.37 | 61.36 | b | 60.03 | 57.09 | a | 44.52 | 39.70 | 33.67 | p | 48.54 | a | |||||
1985 | 32.94 | v | 32.53 | i | 37.08 | e | 46.58 | e | 53.06 | d | 61.62 | e | 63.23 | c | 60.48 | a | 54.10 | a | 47.93 | c | 39.53 | a | 36.09 | d | 49.97 | b |
1986 | 40.20 | d | 35.50 | b | 39.80 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 38.50 | i |
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 | 45.40 | y | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 35.58 | y | ----- | z |
2007 | 32.21 | j | 38.68 | q | ----- | z | ----- | z | 56.31 | j | 64.91 | s | 67.64 | f | 64.75 | c | 61.31 | c | 53.92 | g | 49.19 | f | 34.81 | m | 63.03 | j |
2008 | 34.50 | e | 38.43 | a | 42.18 | a | 48.33 | d | 54.17 | h | 66.80 | c | 63.37 | d | 64.17 | g | 60.23 | s | 55.00 | k | 46.14 | i | 37.92 | k | 48.93 | f |
2009 | 39.98 | h | 39.73 | d | 44.96 | h | 44.78 | e | 59.57 | c | 61.46 | e | 67.98 | e | 67.09 | d | 61.80 | b | 51.69 | j | 47.31 | c | 34.71 | q | 56.22 | d |
2010 | 39.41 | o | 34.77 | h | 31.75 | y | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2011 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2012 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2013 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2014 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2015 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2016 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2017 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2018 | ----- | z | 37.45 | i | 44.00 | t | 51.90 | o | 56.78 | m | 66.75 | p | 65.83 | s | 64.38 | o | 64.33 | u | 47.36 | q | 42.38 | r | 36.92 | s | ----- | z |
2019 | 37.38 | r | 32.56 | j | 40.57 | q | 44.21 | w | 49.23 | r | 64.55 | i | 67.11 | v | 67.46 | r | ----- | z | 50.90 | k | 45.48 | i | 37.26 | n | ----- | z |
2020 | 33.15 | u | 35.57 | n | 39.34 | l | 50.11 | p | 60.50 | t | 66.89 | p | 67.03 | p | 70.82 | t | 63.75 | v | 59.77 | r | 49.50 | s | 37.56 | v | ----- | z |
2021 | 35.60 | u | 42.38 | p | 37.50 | o | 51.06 | v | 57.97 | p | 69.85 | d | 63.58 | 63.17 | b | 61.71 | b | 51.83 | b | 50.45 | 41.42 | a | 57.43 | e | ||
2022 | 38.74 | 35.80 | 41.73 | a | 52.02 | b | 58.75 | a | 65.09 | b | 66.39 | c | 61.50 | p | 60.84 | e | 49.69 | b | 38.50 | 38.20 | a | 49.61 | a | |||
2023 | 28.50 | r | 32.14 | 37.77 | 46.62 | i | 55.21 | s | 63.46 | g | 71.85 | e | 66.52 | a | 64.58 | 56.32 | 45.25 | 42.73 | a | 52.15 | d | |||||
2024 | 38.08 | k | 37.92 | j | 39.70 | c | 46.84 | e | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 43.27 | j |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 36.27 | 35.77 | 39.70 | 46.88 | 54.09 | 62.24 | 64.46 | 62.94 | 59.42 | 50.05 | 43.76 | 38.45 | 49.62 | |||||||||||||
S.D. | 4.03 | 2.41 | 3.12 | 2.86 | 3.58 | 3.98 | 2.92 | 2.34 | 2.81 | 3.72 | 4.31 | 3.07 | 1.78 | |||||||||||||
SKEW | -0.37 | -0.28 | -1.35 | 0.80 | 0.36 | 0.22 | 1.30 | 0.49 | -0.17 | 0.30 | 0.43 | 0.12 | 0.64 | |||||||||||||
MAX | 41.27 | 39.73 | 43.08 | 52.25 | 59.57 | 69.85 | 71.85 | 67.09 | 64.58 | 56.32 | 50.78 | 43.39 | 51.66 | |||||||||||||
MIN | 29.45 | 31.36 | 31.55 | 42.95 | 49.66 | 55.80 | 61.32 | 60.03 | 54.10 | 44.52 | 38.50 | 32.92 | 48.35 | |||||||||||||
YRS | 8 | 12 | 13 | 12 | 10 | 12 | 13 | 12 | 13 | 12 | 14 | 11 | 3 |