YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 54.42 | k | 51.52 | d | 36.59 | a | 29.16 | 39.09 | i | |
1942 | 24.77 | 25.11 | 31.81 | 42.93 | 51.94 | 62.57 | 65.19 | 64.86 | j | ----- | z | ----- | z | ----- | z | ----- | z | 43.47 | e | |||||||
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1945 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1948 | ----- | z | ----- | z | ----- | z | ----- | z | 54.29 | 64.47 | 66.81 | 66.00 | 56.60 | 47.55 | 30.30 | 32.42 | 52.30 | d | ||||||||
1949 | 23.13 | 31.79 | 36.77 | 44.23 | 56.58 | 63.00 | 66.48 | 63.68 | 58.41 | a | 44.13 | 36.90 | 27.81 | 46.08 | ||||||||||||
1950 | 29.74 | 32.61 | 34.03 | 43.43 | 53.10 | 62.37 | 63.42 | 61.19 | 58.00 | 50.35 | 31.77 | 26.29 | 45.53 | |||||||||||||
1951 | 23.16 | 28.57 | 34.55 | 41.57 | 52.81 | 62.07 | 67.90 | 66.23 | 57.50 | 49.33 | a | 31.17 | 28.35 | 45.27 | ||||||||||||
1952 | 31.74 | 29.79 | 33.03 | 43.57 | 52.39 | 66.23 | 64.03 | 68.42 | 55.70 | 43.10 | 33.70 | 26.94 | 45.72 | |||||||||||||
1953 | 33.23 | 28.11 | 40.87 | 43.67 | 52.68 | 68.00 | 67.55 | 65.87 | 56.83 | 48.57 | a | 36.67 | 26.06 | 47.34 | ||||||||||||
1954 | 29.32 | 34.96 | 36.81 | 51.27 | 51.84 | 62.30 | 66.55 | 65.84 | 60.10 | 49.29 | 35.57 | 28.39 | 47.69 | |||||||||||||
1955 | 27.39 | 25.48 | a | 36.27 | a | 46.57 | 54.87 | 61.33 | 65.68 | 63.94 | 59.47 | 46.07 | b | 33.67 | 30.39 | 45.93 | ||||||||||
1956 | 28.19 | 26.26 | b | 35.19 | 43.70 | 57.06 | 65.57 | 67.13 | 64.74 | 57.60 | 50.06 | 32.37 | 30.16 | 46.50 | ||||||||||||
1957 | 28.84 | 40.04 | 37.61 | 42.10 | a | 53.48 | 62.10 | 67.61 | 65.13 | 55.03 | 47.03 | 34.20 | 30.61 | 46.98 | ||||||||||||
1958 | 26.84 | 30.25 | 32.71 | 43.97 | 54.29 | 65.53 | 68.00 | 66.26 | 60.73 | 49.26 | 38.33 | u | ----- | z | 49.78 | b | ||||||||||
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 | ----- | 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 | 30.79 | l | 37.22 | k | 39.72 | f | 47.82 | m | 58.14 | j | 64.88 | m | 67.38 | e | 66.29 | j | 59.57 | g | 52.55 | k | 34.00 | h | 28.36 | i | 67.38 | k |
2001 | 28.48 | f | 35.00 | d | 36.26 | h | 48.17 | l | 57.20 | u | 68.70 | t | 71.83 | s | 69.57 | x | 60.50 | v | 48.12 | w | 29.67 | x | 27.15 | r | 35.00 | k |
2002 | 29.06 | n | 25.31 | l | 30.22 | v | ----- | 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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2010 | ----- | z | ----- | z | ----- | z | ----- | 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 | 66.74 | d | 66.60 | a | 59.04 | d | 45.38 | e | 37.70 | c | 28.57 | a | 50.67 | f |
2013 | 28.62 | e | 29.88 | d | 36.00 | d | 43.24 | e | 54.77 | a | 66.38 | f | 65.69 | e | 65.62 | b | 59.25 | f | 46.22 | h | 34.48 | i | 28.25 | g | 46.26 | e |
2014 | 24.48 | 32.85 | h | 35.39 | c | 44.00 | e | 52.73 | e | 65.23 | h | 67.36 | f | 67.15 | d | 62.50 | r | 49.75 | g | 33.80 | e | 32.57 | j | 42.93 | f | |
2015 | 30.25 | k | 31.29 | g | 37.81 | j | 44.70 | g | 52.06 | n | 62.76 | e | 67.67 | a | 65.85 | d | 62.77 | d | 50.60 | f | 34.74 | k | 29.04 | e | 57.62 | g |
2016 | 28.65 | e | 31.75 | a | 38.38 | e | 46.23 | d | 52.40 | f | 63.33 | f | 70.47 | a | 65.87 | h | 60.09 | g | 50.87 | h | 41.42 | f | 29.28 | f | 43.10 | g |
2017 | 33.56 | f | 37.00 | c | 40.65 | k | 46.36 | h | 53.07 | c | 65.50 | d | 66.54 | e | 64.20 | k | 59.88 | f | 44.86 | i | 40.09 | h | 28.73 | e | 50.17 | g |
2018 | 24.07 | c | 30.31 | b | 40.86 | b | 42.16 | e | 60.56 | f | 68.20 | e | 69.68 | f | 67.11 | d | 58.08 | q | 49.35 | n | 31.25 | f | 29.48 | d | 43.17 | e |
2019 | 29.47 | a | 31.20 | c | 34.38 | j | 47.42 | d | 54.40 | k | 61.91 | g | 67.79 | c | 70.68 | f | 65.21 | a | 44.30 | a | 35.50 | 32.52 | 44.17 | d | ||
2020 | 31.06 | 31.03 | 44.94 | 46.67 | 57.03 | 64.60 | 71.32 | 68.97 | 55.27 | 45.97 | 39.27 | 27.32 | 48.62 | |||||||||||||
2021 | 27.81 | 26.11 | a | 37.19 | 45.40 | 56.84 | 65.57 | 65.65 | 65.84 | 60.20 | 49.06 | 37.17 | 36.45 | 47.77 | ||||||||||||
2022 | 23.58 | 23.43 | 34.00 | 48.17 | 57.97 | 67.20 | 70.81 | 69.13 | 61.17 | 49.23 | 35.13 | 32.19 | 47.67 | |||||||||||||
2023 | 30.65 | 30.61 | 38.84 | 44.63 | 56.97 | 65.07 | 71.61 | 70.23 | 64.23 | 51.03 | a | 38.77 | 32.00 | 49.55 | ||||||||||||
2024 | 26.39 | 35.55 | 39.54 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 33.82 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 27.67 | 30.67 | 36.74 | 44.75 | 54.46 | 64.44 | 67.31 | 66.19 | 59.10 | 47.85 | 35.01 | 29.64 | 46.97 | |||||||||||||
S.D. | 2.94 | 4.13 | 3.21 | 2.37 | 2.02 | 2.12 | 2.12 | 2.05 | 2.94 | 2.51 | 2.59 | 2.54 | 1.29 | |||||||||||||
SKEW | -0.07 | 0.32 | 0.71 | 1.08 | 0.36 | 0.24 | 0.50 | -0.19 | 0.54 | -0.41 | -0.16 | 0.87 | 0.45 | |||||||||||||
MAX | 33.23 | 40.04 | 44.94 | 51.27 | 57.97 | 68.20 | 71.61 | 70.23 | 65.21 | 51.52 | 39.27 | 36.45 | 49.55 | |||||||||||||
MIN | 23.13 | 23.43 | 31.81 | 41.57 | 51.84 | 61.33 | 63.42 | 61.19 | 55.03 | 43.10 | 30.30 | 26.06 | 45.27 | |||||||||||||
YRS | 21 | 22 | 20 | 20 | 19 | 19 | 23 | 20 | 18 | 18 | 18 | 20 | 13 |