YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | 67.00 | 80.00 | ----- | z | 81.00 | 95.00 | 96.00 | 94.00 | 88.00 | 78.00 | 69.00 | 71.00 | ----- | z | ||||||||||
1947 | 67.00 | 68.00 | 71.00 | 37.00 | 86.00 | 90.00 | 94.00 | 92.00 | 94.00 | 83.00 | 64.00 | 54.00 | 94.00 | |||||||||||||
1948 | 56.00 | 55.00 | 68.00 | 80.00 | 82.00 | 90.00 | 94.00 | 93.00 | 92.00 | 80.00 | 67.00 | 63.00 | 94.00 | |||||||||||||
1949 | 53.00 | 64.00 | 72.00 | 80.00 | 83.00 | 90.00 | 93.00 | 92.00 | 86.00 | 82.00 | 75.00 | 61.00 | 93.00 | |||||||||||||
1950 | 70.00 | 67.00 | 73.00 | 82.00 | 86.00 | 93.00 | 90.00 | 90.00 | 87.00 | 85.00 | 74.00 | 68.00 | 93.00 | |||||||||||||
1951 | 69.00 | 73.00 | 68.00 | 76.00 | 89.00 | 96.00 | 95.00 | 92.00 | 88.00 | 80.00 | 62.00 | 61.00 | 96.00 | |||||||||||||
1952 | 60.00 | 65.00 | 66.00 | 77.00 | 85.00 | 97.00 | 95.00 | 92.00 | 88.00 | 79.00 | 71.00 | 62.00 | 97.00 | |||||||||||||
1953 | 68.00 | 64.00 | 74.00 | 78.00 | 90.00 | 95.00 | 95.00 | 91.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||||||||
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 74.00 | 74.00 | ----- | z | ||
1956 | 66.00 | 65.00 | 74.00 | 81.00 | 88.00 | 92.00 | 93.00 | 95.00 | 92.00 | 83.00 | 73.00 | 64.00 | 95.00 | |||||||||||||
1957 | 62.00 | 68.00 | 68.00 | 75.00 | 79.00 | 95.00 | 98.00 | 90.00 | 84.00 | 81.00 | 65.00 | 64.00 | 98.00 | |||||||||||||
1958 | 58.00 | 66.00 | 67.00 | 76.00 | 83.00 | 91.00 | 96.00 | 91.00 | 89.00 | a | 82.00 | 72.00 | 68.00 | 96.00 | a | |||||||||||
1959 | 64.00 | 62.00 | 68.00 | 80.00 | 82.00 | 89.00 | 90.00 | 92.00 | 90.00 | 85.00 | 70.00 | 64.00 | 92.00 | |||||||||||||
1960 | 60.00 | 61.00 | 72.00 | 82.00 | 84.00 | 96.00 | 94.00 | 92.00 | 90.00 | 80.00 | 71.00 | 56.00 | 96.00 | |||||||||||||
1961 | 56.00 | 65.00 | 68.00 | 79.00 | 86.00 | 91.00 | 91.00 | 88.00 | 84.00 | a | 78.00 | 67.00 | 62.00 | 91.00 | a | |||||||||||
1962 | 61.00 | 72.00 | 73.00 | 81.00 | 90.00 | 90.00 | 93.00 | 94.00 | 88.00 | 86.00 | 73.00 | 65.00 | a | 94.00 | a | |||||||||||
1963 | 63.00 | 70.00 | 76.00 | 80.00 | 88.00 | 95.00 | 96.00 | 94.00 | 88.00 | 82.00 | 73.00 | 68.00 | 96.00 | |||||||||||||
1964 | 62.00 | 59.00 | 72.00 | 77.00 | 88.00 | 90.00 | 96.00 | 92.00 | 89.00 | 84.00 | 73.00 | 71.00 | 96.00 | |||||||||||||
1965 | 62.00 | 66.00 | 71.00 | a | 87.00 | 81.00 | 87.00 | 91.00 | 90.00 | 85.00 | 83.00 | 70.00 | 69.00 | 91.00 | a | |||||||||||
1966 | 61.00 | 61.00 | 79.00 | 78.00 | 89.00 | 91.00 | 96.00 | 90.00 | 84.00 | a | 78.00 | 73.00 | 65.00 | 96.00 | a | |||||||||||
1967 | 66.00 | 65.00 | 75.00 | 79.00 | 89.00 | 87.00 | 91.00 | 89.00 | 84.00 | 84.00 | 75.00 | 59.00 | 91.00 | |||||||||||||
1968 | 64.00 | 66.00 | 73.00 | 73.00 | 83.00 | 97.00 | 90.00 | 86.00 | 85.00 | 82.00 | 68.00 | ----- | 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 | 90.00 | v | 87.00 | a | 79.00 | 74.00 | 67.00 | b | ----- | z | ||
1999 | 69.00 | b | 68.00 | 72.00 | 77.00 | 83.00 | 89.00 | 91.00 | d | 86.00 | c | 84.00 | k | 82.00 | a | 78.00 | 62.00 | a | 91.00 | v | ||||||
2000 | 69.00 | a | 68.00 | 69.00 | 80.00 | 96.00 | 97.00 | 92.00 | 93.00 | 92.00 | 87.00 | 62.00 | 62.00 | 97.00 | a | |||||||||||
2001 | 70.00 | 60.00 | 74.00 | 80.00 | 86.00 | d | 94.00 | 94.00 | 92.00 | 87.00 | 82.00 | 71.00 | 65.00 | 94.00 | d | |||||||||||
2002 | 66.00 | 71.00 | 75.00 | 84.00 | b | 96.00 | 94.00 | 93.00 | 94.00 | 89.00 | 81.00 | 67.00 | 59.00 | 96.00 | b | |||||||||||
2003 | 69.00 | 64.00 | a | 73.00 | a | 80.00 | 93.00 | 87.00 | 98.00 | a | 94.00 | 87.00 | 86.00 | 71.00 | 62.00 | 98.00 | c | |||||||||
2004 | 62.00 | 67.00 | 79.00 | 76.00 | 86.00 | 94.00 | 91.00 | 87.00 | 87.00 | 77.00 | 69.00 | 73.00 | 94.00 | |||||||||||||
2005 | 66.00 | a | 63.00 | 74.00 | 75.00 | a | 89.00 | 92.00 | 97.00 | 94.00 | b | 89.00 | 83.00 | 73.00 | 69.00 | 97.00 | d | |||||||||
2006 | 69.00 | 70.00 | 72.00 | 83.00 | 90.00 | 96.00 | 95.00 | 88.00 | b | 80.00 | 83.00 | a | 81.00 | a | 62.00 | c | 96.00 | g | ||||||||
2007 | 61.00 | a | 65.00 | 77.00 | 79.00 | 85.00 | 92.00 | 95.00 | 95.00 | 88.00 | 84.00 | 77.00 | 75.00 | b | 95.00 | c | ||||||||||
2008 | 64.00 | a | 66.00 | 75.00 | 80.00 | 90.00 | 97.00 | 99.00 | 95.00 | 88.00 | 82.00 | 76.00 | 67.00 | 99.00 | a | |||||||||||
2009 | 68.00 | 74.00 | 76.00 | 82.00 | 90.00 | 93.00 | 100.00 | 96.00 | 93.00 | 83.00 | 77.00 | 65.00 | 100.00 | |||||||||||||
2010 | 65.00 | 50.00 | 81.00 | 78.00 | 90.00 | 98.00 | 97.00 | 97.00 | 94.00 | 84.00 | 76.00 | 76.00 | 98.00 | |||||||||||||
2011 | 68.00 | 71.00 | 80.00 | 85.00 | 91.00 | 102.00 | 100.00 | 99.00 | 93.00 | 85.00 | 72.00 | 65.00 | 102.00 | |||||||||||||
2012 | 69.00 | 70.00 | a | 84.00 | 90.00 | a | 92.00 | 100.00 | 99.00 | 100.00 | 90.00 | 84.00 | 74.00 | 67.00 | 100.00 | b | ||||||||||
2013 | 76.00 | 64.00 | 77.00 | 84.00 | a | 87.00 | 100.00 | 95.00 | 94.00 | 88.00 | 80.00 | a | 72.00 | a | 65.00 | 100.00 | c | |||||||||
2014 | 65.00 | a | 71.00 | 75.00 | 79.00 | 86.00 | 97.00 | v | 97.00 | k | 90.00 | 92.00 | 83.00 | 77.00 | 62.00 | ----- | z | |||||||||
2015 | 66.00 | 75.00 | 77.00 | 78.00 | 79.00 | 94.00 | 93.00 | 93.00 | 92.00 | 87.00 | 76.00 | 68.00 | b | 94.00 | b | |||||||||||
2016 | 63.00 | k | 73.00 | 74.00 | 76.00 | 81.00 | 93.00 | 96.00 | c | 90.00 | 87.00 | 86.00 | 75.00 | 65.00 | 96.00 | n | ||||||||||
2017 | 65.00 | 76.00 | 82.00 | 82.00 | 83.00 | a | 100.00 | 95.00 | 86.00 | 88.00 | 79.00 | 76.00 | 68.00 | 100.00 | a | |||||||||||
2018 | 73.00 | 66.00 | 76.00 | 81.00 | 89.00 | 98.00 | 99.00 | 91.00 | 93.00 | 88.00 | 68.00 | 64.00 | 99.00 | |||||||||||||
2019 | 61.00 | 67.00 | 77.00 | 80.00 | 83.00 | 96.00 | 99.00 | 97.00 | 94.00 | 82.00 | 73.00 | b | 63.00 | b | 99.00 | d | ||||||||||
2020 | 57.00 | 69.00 | 73.00 | 89.00 | 91.00 | 95.00 | 101.00 | 98.00 | 97.00 | 87.00 | 75.00 | 63.00 | 101.00 | |||||||||||||
2021 | 63.00 | 69.00 | 75.00 | b | 81.00 | 86.00 | 96.00 | 94.00 | 95.00 | 94.00 | 82.00 | 79.00 | a | 72.00 | 96.00 | c | ||||||||||
2022 | 65.00 | 64.00 | 78.00 | 82.00 | 91.00 | 98.00 | 94.00 | 91.00 | 93.00 | 79.00 | 70.00 | 67.00 | 98.00 | |||||||||||||
2023 | 65.00 | 65.00 | 70.00 | 82.00 | 84.00 | 92.00 | 96.00 | b | 97.00 | 95.00 | 83.00 | 77.00 | 67.00 | 97.00 | b | |||||||||||
2024 | 61.00 | 70.00 | 66.00 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 64.44 | 66.49 | 73.81 | 79.13 | 86.72 | 93.87 | 94.89 | 92.41 | 89.16 | 82.46 | 72.23 | 65.41 | 96.23 | |||||||||||||
S.D. | 4.64 | 4.91 | 4.28 | 7.31 | 4.11 | 3.70 | 2.91 | 3.34 | 3.59 | 2.71 | 4.27 | 4.62 | 2.83 | |||||||||||||
SKEW | -0.13 | -0.77 | 0.14 | -4.24 | 0.15 | 0.01 | 0.14 | 0.04 | -0.04 | -0.01 | -0.52 | 0.14 | -0.05 | |||||||||||||
MAX | 76.00 | 76.00 | 84.00 | 90.00 | 96.00 | 102.00 | 101.00 | 100.00 | 97.00 | 88.00 | 81.00 | 76.00 | 102.00 | |||||||||||||
MIN | 53.00 | 50.00 | 66.00 | 37.00 | 79.00 | 87.00 | 90.00 | 86.00 | 80.00 | 77.00 | 62.00 | 54.00 | 91.00 | |||||||||||||
YRS | 45 | 47 | 47 | 45 | 46 | 45 | 45 | 46 | 45 | 46 | 47 | 46 | 39 |