YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 88.00 | a | 90.00 | 86.00 | 85.00 | 74.00 | 66.00 | 56.00 | ----- | z | ||||||
1942 | 55.00 | 57.00 | 63.00 | 72.00 | 84.00 | 91.00 | 94.00 | 90.00 | 82.00 | 79.00 | 66.00 | 62.00 | 94.00 | |||||||||||||
1943 | 55.00 | 62.00 | 74.00 | 82.00 | 84.00 | 92.00 | d | 95.00 | 93.00 | 87.00 | 75.00 | 66.00 | 54.00 | 95.00 | d | |||||||||||
1944 | 46.00 | 55.00 | 63.00 | 70.00 | 81.00 | 94.00 | 92.00 | 94.00 | 87.00 | 79.00 | 67.00 | 52.00 | 94.00 | |||||||||||||
1945 | 56.00 | 63.00 | b | 65.00 | b | 76.00 | c | 86.00 | 90.00 | 91.00 | 92.00 | 91.00 | 76.00 | 67.00 | 55.00 | a | 92.00 | h | ||||||||
1946 | 56.00 | 62.00 | b | 76.00 | 78.00 | 80.00 | a | 93.00 | 92.00 | a | 94.00 | 86.00 | a | 75.00 | 62.00 | a | 62.00 | 94.00 | f | |||||||
1947 | 58.00 | 61.00 | 69.00 | 76.00 | a | 87.00 | 90.00 | 95.00 | 92.00 | 91.00 | 82.00 | 66.00 | 53.00 | 95.00 | a | |||||||||||
1948 | 53.00 | 56.00 | 65.00 | 81.00 | 85.00 | 91.00 | 94.00 | 90.00 | 92.00 | 76.00 | 63.00 | 55.00 | 94.00 | |||||||||||||
1949 | 46.00 | a | 59.00 | 69.00 | 80.00 | 82.00 | 90.00 | 92.00 | 90.00 | 87.00 | 78.00 | 71.00 | 56.00 | 92.00 | a | |||||||||||
1950 | 64.00 | 65.00 | 73.00 | 78.00 | 85.00 | 93.00 | 88.00 | 89.00 | 88.00 | 85.00 | 69.00 | 62.00 | 93.00 | |||||||||||||
1951 | 62.00 | 65.00 | 66.00 | 74.00 | 92.00 | 95.00 | 97.00 | 93.00 | 88.00 | 78.00 | 64.00 | 57.00 | 97.00 | |||||||||||||
1952 | 56.00 | 57.00 | 65.00 | 74.00 | 83.00 | 93.00 | 95.00 | 93.00 | 91.00 | 80.00 | 67.00 | 50.00 | 95.00 | |||||||||||||
1953 | 60.00 | 62.00 | 71.00 | 78.00 | 88.00 | 95.00 | 97.00 | 92.00 | 88.00 | 80.00 | 70.00 | 55.00 | 97.00 | |||||||||||||
1954 | 59.00 | 66.00 | 72.00 | 81.00 | 85.00 | 98.00 | 95.00 | 94.00 | 89.00 | 80.00 | 68.00 | 63.00 | 98.00 | |||||||||||||
1955 | 50.00 | 62.00 | 69.00 | 75.00 | 81.00 | 92.00 | 96.00 | 89.00 | 91.00 | 79.00 | 67.00 | a | 61.00 | 96.00 | a | |||||||||||
1956 | 62.00 | 60.00 | 72.00 | 76.00 | 89.00 | 94.00 | 95.00 | 95.00 | 92.00 | 83.00 | 68.00 | 59.00 | 95.00 | |||||||||||||
1957 | 56.00 | 68.00 | 67.00 | 74.00 | 82.00 | 97.00 | 98.00 | 89.00 | 86.00 | 82.00 | 54.00 | 54.00 | 98.00 | |||||||||||||
1958 | 53.00 | 66.00 | 62.00 | 79.00 | 89.00 | 94.00 | g | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||||
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 | 66.00 | 51.00 | ----- | z | ||
1998 | 55.00 | 64.00 | 74.00 | a | 77.00 | 87.00 | 99.00 | 92.00 | b | 92.00 | a | 86.00 | 78.00 | 66.00 | 59.00 | 99.00 | d | |||||||||
1999 | 59.00 | b | 64.00 | 69.00 | 77.00 | 83.00 | 95.00 | a | 97.00 | a | 88.00 | 87.00 | 81.00 | 72.00 | 56.00 | 97.00 | d | |||||||||
2000 | 65.00 | a | 64.00 | 70.00 | 84.00 | 95.00 | 96.00 | 95.00 | a | 93.00 | 90.00 | 85.00 | 53.00 | 50.00 | 96.00 | b | ||||||||||
2001 | 50.00 | 59.00 | 72.00 | 76.00 | d | 90.00 | b | 94.00 | 95.00 | 90.00 | 87.00 | 79.00 | 69.00 | b | 57.00 | 95.00 | h | |||||||||
2002 | 61.00 | 62.00 | 73.00 | 80.00 | b | 95.00 | 96.00 | a | 96.00 | 96.00 | 90.00 | 77.00 | 60.00 | 53.00 | 96.00 | c | ||||||||||
2003 | 62.00 | 64.00 | 70.00 | 76.00 | 92.00 | 92.00 | 99.00 | 95.00 | 88.00 | 82.00 | 68.00 | 59.00 | 99.00 | |||||||||||||
2004 | 55.00 | 59.00 | 80.00 | 75.00 | 86.00 | 93.00 | 93.00 | a | 90.00 | 88.00 | 73.00 | 67.00 | b | 57.00 | 93.00 | c | ||||||||||
2005 | 62.00 | 55.00 | 70.00 | 73.00 | 92.00 | 95.00 | 96.00 | 92.00 | 88.00 | 77.00 | 70.00 | 60.00 | 96.00 | |||||||||||||
2006 | 59.00 | 71.00 | 69.00 | 81.00 | 90.00 | 96.00 | 98.00 | 88.00 | 81.00 | 80.00 | 70.00 | 53.00 | 98.00 | |||||||||||||
2007 | 48.00 | 59.00 | 77.00 | 80.00 | 83.00 | 97.00 | 97.00 | 96.00 | 88.00 | 81.00 | 71.00 | 62.00 | 97.00 | |||||||||||||
2008 | 50.00 | 65.00 | 72.00 | 79.00 | 90.00 | 97.00 | 94.00 | 95.00 | 87.00 | 83.00 | 73.00 | 60.00 | 97.00 | |||||||||||||
2009 | 57.00 | 69.00 | 74.00 | 81.00 | 88.00 | 91.00 | 99.00 | 99.00 | 91.00 | 77.00 | 73.00 | 54.00 | 99.00 | |||||||||||||
2010 | 54.00 | 53.00 | 79.00 | 76.00 | 86.00 | 100.00 | 100.00 | 95.00 | 91.00 | 89.00 | 71.00 | 62.00 | 100.00 | |||||||||||||
2011 | 60.00 | 67.00 | b | 74.00 | 80.00 | 90.00 | 97.00 | 96.00 | 95.00 | 90.00 | 80.00 | 67.00 | 54.00 | 97.00 | b | |||||||||||
2012 | 56.00 | 60.00 | b | 81.00 | 84.00 | 89.00 | 99.00 | 96.00 | 96.00 | 93.00 | 85.00 | 70.00 | b | 61.00 | a | 99.00 | e | |||||||||
2013 | 60.00 | 56.00 | 76.00 | 84.00 | 90.00 | 102.00 | 95.00 | 93.00 | 91.00 | 78.00 | 64.00 | 56.00 | 102.00 | |||||||||||||
2014 | 57.00 | 66.00 | 69.00 | 78.00 | 88.00 | 98.00 | 96.00 | 89.00 | 90.00 | 80.00 | 68.00 | 57.00 | 98.00 | |||||||||||||
2015 | 61.00 | 66.00 | 77.00 | a | 79.00 | 81.00 | 99.00 | 93.00 | 95.00 | 91.00 | 88.00 | b | 67.00 | 58.00 | 99.00 | c | ||||||||||
2016 | 60.00 | 70.00 | 71.00 | 79.00 | 85.00 | 102.00 | 100.00 | 88.00 | 89.00 | 81.00 | 72.00 | 60.00 | 102.00 | |||||||||||||
2017 | 56.00 | 69.00 | 78.00 | 79.00 | 85.00 | 100.00 | 96.00 | 91.00 | 91.00 | 77.00 | 69.00 | 61.00 | 100.00 | |||||||||||||
2018 | 61.00 | 65.00 | 75.00 | 80.00 | 89.00 | 100.00 | 99.00 | 93.00 | 90.00 | 82.00 | 63.00 | 56.00 | a | 100.00 | a | |||||||||||
2019 | 53.00 | 62.00 | 74.00 | 79.00 | a | 81.00 | 94.00 | 98.00 | 98.00 | 94.00 | 76.00 | 68.00 | 54.00 | 98.00 | a | |||||||||||
2020 | 55.00 | 60.00 | 67.00 | 86.00 | 90.00 | 97.00 | 101.00 | 99.00 | 96.00 | 84.00 | 72.00 | 60.00 | 101.00 | |||||||||||||
2021 | 54.00 | 62.00 | 72.00 | 79.00 | 87.00 | 102.00 | 98.00 | 94.00 | 94.00 | 77.00 | 70.00 | 61.00 | 102.00 | |||||||||||||
2022 | 56.00 | 58.00 | 76.00 | 80.00 | 89.00 | 97.00 | 95.00 | 92.00 | 91.00 | 78.00 | 68.00 | 55.00 | 97.00 | |||||||||||||
2023 | 55.00 | 57.00 | 66.00 | 80.00 | 84.00 | 94.00 | 100.00 | 97.00 | 94.00 | 82.00 | 74.00 | 57.00 | 100.00 | |||||||||||||
2024 | 59.00 | 67.00 | 70.00 | 79.00 | h | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 56.52 | 62.25 | 71.27 | 78.28 | 86.70 | 95.30 | 95.58 | 92.65 | 89.23 | 79.79 | 67.32 | 57.02 | 97.26 | |||||||||||||
S.D. | 4.50 | 4.40 | 4.67 | 3.35 | 3.83 | 3.56 | 2.85 | 3.11 | 3.04 | 3.54 | 4.31 | 3.57 | 2.60 | |||||||||||||
SKEW | -0.46 | -0.07 | 0.00 | -0.10 | 0.17 | 0.10 | -0.35 | 0.05 | -0.35 | 0.50 | -1.43 | -0.10 | 0.03 | |||||||||||||
MAX | 65.00 | 71.00 | 81.00 | 86.00 | 95.00 | 102.00 | 101.00 | 99.00 | 96.00 | 89.00 | 74.00 | 63.00 | 102.00 | |||||||||||||
MIN | 46.00 | 53.00 | 62.00 | 70.00 | 80.00 | 88.00 | 88.00 | 86.00 | 81.00 | 73.00 | 53.00 | 50.00 | 92.00 | |||||||||||||
YRS | 44 | 44 | 44 | 43 | 43 | 43 | 43 | 43 | 43 | 43 | 44 | 44 | 38 |