YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 69.50 | l | 65.58 | 57.73 | 60.68 | 61.33 | i | |||
1959 | 59.35 | 54.89 | 59.61 | 71.13 | 77.39 | 80.33 | 81.39 | 73.48 | 75.33 | 70.27 | a | 64.23 | 52.55 | 68.33 | ||||||||||||
1960 | 43.58 | 44.93 | a | 57.00 | 60.43 | 67.52 | 84.73 | 82.23 | 78.58 | 73.87 | 58.26 | 59.33 | 52.69 | b | 63.60 | |||||||||||
1961 | ----- | z | 54.54 | 60.32 | 63.37 | 67.77 | 79.80 | 79.58 | 75.87 | 69.97 | 66.00 | 61.59 | a | 45.27 | a | 65.82 | a | |||||||||
1962 | 53.80 | a | 45.64 | 41.77 | 55.73 | 66.87 | a | 71.47 | 74.03 | 76.65 | 73.70 | 70.06 | 67.30 | 54.71 | 62.64 | |||||||||||
1963 | ----- | z | 49.50 | b | 56.58 | 63.50 | 71.71 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 60.32 | 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 | 57.32 | 54.30 | 47.61 | 53.08 | i | |||
1982 | 42.31 | b | 45.62 | b | 48.13 | a | 58.17 | 63.77 | 73.57 | 73.32 | 71.90 | 68.90 | 62.19 | 51.03 | ----- | z | 59.90 | a | ||||||||
1983 | ----- | z | ----- | z | ----- | z | ----- | z | 75.77 | r | 73.38 | a | 75.23 | 72.17 | a | 69.21 | b | 55.65 | h | 49.74 | c | 45.45 | b | 64.20 | f | |
1984 | 45.38 | b | 47.07 | 53.00 | b | 55.48 | a | 72.14 | c | 72.67 | 71.83 | b | 69.77 | 68.52 | a | 53.16 | 50.17 | 45.81 | o | 59.93 | a | |||||
1985 | 40.00 | l | 45.58 | i | 49.11 | c | 59.52 | e | 65.44 | d | 75.08 | e | 74.14 | c | 70.60 | a | 64.28 | a | 58.04 | c | 48.55 | a | 46.59 | d | 61.14 | b |
1986 | 51.63 | d | 46.46 | b | 51.36 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 49.82 | 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 | 52.80 | y | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 46.83 | y | ----- | z |
2007 | 39.86 | j | 45.55 | q | ----- | z | ----- | z | 65.24 | j | 74.82 | s | 76.28 | f | 71.39 | c | 68.52 | c | 60.54 | g | 56.08 | f | 42.61 | m | 69.96 | j |
2008 | 41.19 | e | 46.75 | a | 51.97 | a | 57.04 | d | 65.57 | h | 75.96 | c | 70.44 | d | 71.42 | g | 66.64 | s | 62.75 | k | 53.43 | i | 45.65 | k | 57.23 | f |
2009 | 47.13 | h | 46.25 | d | 52.00 | h | 53.88 | e | 67.79 | c | 70.04 | e | 76.54 | e | 75.41 | d | 68.61 | b | 59.45 | i | 54.19 | c | 44.79 | q | 64.09 | d |
2010 | 47.22 | m | 41.80 | h | 38.17 | 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 | 45.68 | i | 52.18 | t | 62.88 | n | 66.72 | m | 75.36 | p | 71.92 | s | 72.19 | o | 71.78 | u | 52.29 | q | 48.75 | r | 42.83 | s | ----- | z |
2019 | 43.31 | r | 38.22 | j | 47.40 | p | 53.38 | v | 57.15 | r | 73.05 | i | 74.78 | v | 75.69 | r | ----- | z | 57.45 | k | 50.24 | i | 42.71 | n | ----- | z |
2020 | 38.90 | u | 42.00 | m | 45.68 | l | 57.71 | p | 71.36 | t | 75.07 | p | 73.80 | p | 77.00 | t | 68.50 | v | 65.69 | r | 54.73 | s | 43.78 | v | ----- | z |
2021 | 41.50 | u | 49.17 | p | 46.75 | o | 59.50 | v | 64.67 | p | 77.08 | d | 69.90 | 69.90 | b | 68.11 | b | 59.66 | b | 57.57 | 48.23 | a | 64.35 | e | ||
2022 | 45.16 | 44.96 | 49.27 | a | 60.14 | b | 67.63 | a | 73.11 | b | 73.64 | c | 67.80 | p | 66.80 | e | 56.07 | b | 45.70 | 44.80 | a | 57.03 | a | |||
2023 | 36.46 | r | 39.07 | 44.52 | 54.95 | i | 63.58 | s | 72.29 | f | 80.22 | d | 74.42 | 71.77 | 63.19 | 51.93 | 49.70 | a | 59.35 | d | ||||||
2024 | 43.55 | k | 43.53 | j | 46.60 | a | 51.78 | l | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 46.60 | k |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 47.80 | 47.14 | 51.48 | 59.85 | 68.80 | 75.60 | 75.58 | 73.35 | 69.81 | 61.65 | 55.24 | 49.84 | 64.86 | |||||||||||||
S.D. | 6.42 | 4.28 | 5.71 | 4.86 | 3.93 | 4.24 | 4.11 | 2.85 | 3.09 | 5.50 | 6.31 | 4.90 | 3.05 | |||||||||||||
SKEW | 0.72 | 0.40 | 0.05 | 1.04 | 1.00 | 0.80 | 0.32 | 0.35 | 0.27 | 0.24 | 0.40 | 0.95 | 0.63 | |||||||||||||
MAX | 59.35 | 54.89 | 60.32 | 71.13 | 77.39 | 84.73 | 82.23 | 78.58 | 75.33 | 70.27 | 67.30 | 60.68 | 68.33 | |||||||||||||
MIN | 41.19 | 39.07 | 41.77 | 53.88 | 63.77 | 70.04 | 69.90 | 69.77 | 64.28 | 53.16 | 45.70 | 44.80 | 62.64 | |||||||||||||
YRS | 8 | 12 | 13 | 11 | 10 | 12 | 13 | 12 | 13 | 12 | 14 | 11 | 3 |