YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 77.10 | j | 74.64 | c | 65.17 | a | 57.52 | 65.78 | i | |
1942 | 53.43 | a | 57.68 | 64.58 | 72.80 | 82.16 | 92.83 | 92.39 | 89.62 | j | ----- | z | ----- | z | ----- | z | ----- | z | 73.70 | 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 | 86.13 | 95.40 | 94.13 | 93.71 | 85.07 | 73.97 | 63.43 | 60.81 | 81.58 | d | ||||||||
1949 | 41.52 | 59.07 | 69.32 | 69.23 | 83.74 | 89.86 | a | 92.48 | 89.90 | 81.79 | b | 72.90 | 72.40 | 56.68 | 73.24 | |||||||||||
1950 | 62.03 | 66.75 | 69.48 | 76.43 | 84.52 | 91.40 | 88.55 | 91.39 | 83.10 | 82.97 | 69.37 | 62.65 | 77.39 | |||||||||||||
1951 | 56.23 | 62.32 | 65.52 | 74.67 | 84.39 | 93.30 | 96.55 | 94.39 | 89.10 | 79.32 | 63.66 | a | 60.00 | 76.62 | ||||||||||||
1952 | 62.35 | 62.34 | 64.26 | 74.03 | 83.61 | 94.67 | 90.81 | 96.84 | 85.03 | 79.16 | 58.30 | 57.71 | 75.76 | |||||||||||||
1953 | 65.00 | 59.07 | 71.71 | 75.80 | 83.23 | 97.30 | 95.10 | 92.74 | 89.67 | 75.77 | a | 66.17 | 52.42 | 77.00 | ||||||||||||
1954 | 61.00 | 67.39 | 66.61 | 80.43 | 79.87 | 90.70 | 95.90 | 91.26 | 89.87 | 76.35 | 67.40 | 60.03 | 77.24 | |||||||||||||
1955 | 52.94 | 59.37 | a | 69.43 | a | 79.27 | 83.55 | 91.73 | 90.58 | 91.16 | 87.80 | 77.69 | b | 63.80 | 61.61 | 75.74 | ||||||||||
1956 | 58.97 | 54.78 | b | 71.57 | a | 74.67 | 89.68 | 95.60 | 94.97 | 93.45 | 90.83 | 79.84 | 63.10 | 59.52 | 77.25 | |||||||||||
1957 | 56.37 | a | 63.93 | 66.39 | 73.59 | a | 79.84 | 90.87 | 94.47 | a | 91.84 | 85.07 | 70.06 | 54.47 | 61.10 | 74.00 | ||||||||||
1958 | 50.94 | 56.43 | 55.97 | 70.30 | 85.55 | 94.13 | 96.35 | 93.29 | 82.27 | 68.13 | 66.78 | u | ----- | z | 75.34 | 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 | 57.11 | l | 71.39 | k | 71.80 | f | 76.29 | m | 91.43 | j | 89.00 | m | 96.62 | e | 96.38 | j | 93.39 | g | 74.85 | k | 56.00 | h | 53.77 | i | 96.62 | k |
2001 | 53.96 | f | 62.08 | d | 57.96 | h | 79.11 | l | 89.20 | u | 99.00 | t | 102.58 | s | 98.29 | x | 93.00 | v | 79.88 | w | 59.50 | x | 60.62 | r | 62.08 | k |
2002 | 61.88 | n | 58.31 | l | 62.33 | 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 | 90.59 | d | 92.87 | a | 85.42 | d | 74.12 | e | 69.04 | c | 58.43 | a | 78.41 | f |
2013 | 53.73 | e | 60.62 | d | 69.15 | d | 78.24 | e | 85.43 | a | 95.04 | f | 89.12 | e | 92.07 | b | 86.00 | f | 74.83 | h | 64.10 | i | 55.04 | g | 75.48 | e |
2014 | 56.71 | 66.90 | h | 67.89 | c | 75.84 | e | 84.96 | e | 94.59 | h | 92.48 | f | 91.48 | d | 82.75 | r | 77.67 | g | 61.52 | e | 55.81 | j | 73.07 | f | |
2015 | 56.85 | k | 61.24 | g | 69.57 | j | 73.87 | g | 77.88 | n | 89.92 | e | 94.53 | a | 92.22 | d | 89.12 | d | 74.04 | f | 64.26 | k | 59.00 | e | 84.96 | g |
2016 | 56.27 | e | 63.82 | a | 70.62 | e | 75.42 | d | 80.80 | f | 92.67 | f | 98.20 | a | 89.09 | h | 81.30 | g | 81.61 | h | 65.54 | f | 58.48 | f | 72.87 | g |
2017 | 58.64 | f | 68.68 | c | 72.05 | k | 77.59 | h | 83.61 | c | 94.54 | d | 92.12 | e | 88.20 | k | 88.29 | f | 73.55 | i | 71.18 | h | 59.50 | e | 79.69 | g |
2018 | 59.46 | c | 63.23 | b | 72.48 | b | 78.80 | e | 93.44 | f | 96.36 | e | 94.24 | f | 93.15 | d | 84.00 | q | 71.88 | n | 61.79 | f | 54.67 | d | 74.02 | e |
2019 | 56.73 | a | 62.08 | c | 62.05 | j | 79.50 | d | 83.15 | k | 92.52 | g | 95.25 | c | 97.64 | f | 88.68 | b | 73.96 | d | 62.77 | 59.69 | b | 72.33 | d | |
2020 | 58.35 | 57.86 | 67.52 | 77.10 | 89.43 | a | 94.37 | 97.87 | 96.32 | 85.38 | a | 77.93 | b | 69.83 | 58.74 | 77.56 | ||||||||||
2021 | 53.68 | 55.44 | a | 68.97 | 71.83 | 82.81 | 92.90 | 88.35 | 89.94 | 87.57 | 80.13 | 68.93 | 67.55 | 75.67 | ||||||||||||
2022 | 56.61 | 57.04 | 68.10 | 80.93 | 90.97 | 93.72 | a | 97.70 | a | 89.61 | 87.21 | a | 73.19 | 58.70 | 56.53 | a | 75.86 | |||||||||
2023 | 57.35 | 59.89 | 69.42 | 75.48 | a | 84.55 | 95.14 | a | 98.03 | a | 96.47 | a | 90.20 | 76.69 | b | 64.33 | 60.26 | 77.32 | ||||||||
2024 | 53.52 | 64.41 | 79.16 | 77.25 | n | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 65.70 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 56.34 | 61.10 | 68.41 | 75.72 | 84.63 | 93.41 | 93.94 | 92.70 | 86.84 | 75.94 | 64.58 | 59.22 | 76.20 | |||||||||||||
S.D. | 4.89 | 3.84 | 4.39 | 3.24 | 2.92 | 2.19 | 3.14 | 2.10 | 2.81 | 3.73 | 4.57 | 3.10 | 1.35 | |||||||||||||
SKEW | -1.02 | 0.22 | -0.44 | -0.22 | 0.58 | -0.13 | -0.36 | 0.55 | -0.32 | -0.21 | -0.38 | 0.35 | -1.01 | |||||||||||||
MAX | 65.00 | 68.68 | 79.16 | 80.93 | 90.97 | 97.30 | 98.20 | 96.84 | 90.83 | 82.97 | 72.40 | 67.55 | 77.56 | |||||||||||||
MIN | 41.52 | 54.78 | 55.97 | 69.23 | 79.84 | 89.86 | 88.35 | 89.61 | 81.79 | 68.13 | 54.47 | 52.42 | 73.24 | |||||||||||||
YRS | 21 | 22 | 20 | 20 | 19 | 19 | 23 | 20 | 18 | 18 | 18 | 20 | 13 |