YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1950 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | 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 | ----- | z | ----- | z | ----- | z |
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | 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 | 101.00 | t | 104.00 | 102.00 | a | 92.00 | a | 89.00 | 70.00 | 61.00 | ----- | z | ||||
1964 | 62.00 | 58.00 | 71.00 | 82.00 | a | 92.00 | 95.00 | a | 104.00 | 101.00 | 95.00 | 86.00 | 73.00 | 67.00 | 104.00 | b | ||||||||||
1965 | 65.00 | 68.00 | 72.00 | 84.00 | 84.00 | 87.00 | 95.00 | 97.00 | 83.00 | 86.00 | 74.00 | 69.00 | 97.00 | |||||||||||||
1966 | 55.00 | 56.00 | 77.00 | a | 80.00 | 94.00 | 101.00 | 102.00 | a | 98.00 | j | ----- | z | ----- | z | 73.00 | j | ----- | z | ----- | z | |||||
1967 | 62.00 | ----- | z | 80.00 | e | 80.00 | 92.00 | 87.00 | 97.00 | g | 93.00 | f | 89.00 | f | 88.00 | m | 69.00 | r | ----- | z | ----- | z | ||||
1968 | ----- | z | 70.00 | a | 70.00 | p | 76.00 | a | 82.00 | 97.00 | 93.00 | h | 96.00 | j | 91.00 | a | 82.00 | a | 67.00 | c | ----- | z | ----- | z | ||
1969 | ----- | z | 63.00 | k | 76.00 | 80.00 | b | 94.00 | 96.00 | 101.00 | 101.00 | 91.00 | 83.00 | 71.00 | g | 66.00 | ----- | z | ||||||||
1970 | 68.00 | 69.00 | 66.00 | 78.00 | 90.00 | b | 100.00 | d | 97.00 | 100.00 | 93.00 | 83.00 | 69.00 | 63.00 | 100.00 | f | ||||||||||
1971 | 67.00 | 63.00 | 79.00 | 79.00 | 84.00 | 101.00 | 101.00 | 97.00 | 95.00 | a | 84.00 | 73.00 | 66.00 | 101.00 | a | |||||||||||
1972 | 52.00 | 71.00 | 78.00 | 80.00 | 89.00 | 91.00 | 100.00 | 100.00 | 89.00 | 82.00 | a | 60.00 | 56.00 | a | 100.00 | b | ||||||||||
1973 | 56.00 | 58.00 | 62.00 | 75.00 | 86.00 | a | 96.00 | 104.00 | 97.00 | 88.00 | 81.00 | 70.00 | 57.00 | 104.00 | a | |||||||||||
1974 | 57.00 | 59.00 | 74.00 | 81.00 | a | 91.00 | a | 98.00 | 100.00 | 95.00 | 95.00 | 84.00 | d | 71.00 | a | 60.00 | 100.00 | g | ||||||||
1975 | 64.00 | 55.00 | y | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |
1976 | ----- | z | ----- | z | ----- | z | ----- | z | 87.00 | 96.00 | 102.00 | 97.00 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||
1977 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 100.00 | d | 95.00 | h | 95.00 | k | 82.00 | j | ----- | z | ----- | z | ----- | z |
1978 | 54.00 | g | ----- | z | 78.00 | s | 79.00 | i | 87.00 | g | 96.00 | e | 102.00 | i | 96.00 | m | 95.00 | g | 85.00 | g | 69.00 | n | 50.00 | m | ----- | z |
1979 | 51.00 | t | 63.00 | t | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 101.00 | 102.00 | a | 100.00 | a | 98.00 | b | 84.00 | a | 76.00 | c | 75.00 | c | ----- | z | |
1981 | 64.00 | b | 70.00 | 69.00 | b | 85.00 | b | 84.00 | a | 97.00 | d | 100.00 | a | 97.00 | 94.00 | b | 82.00 | 72.00 | 65.00 | a | 100.00 | o | ||||
1982 | 55.00 | s | 73.00 | k | 69.00 | 80.00 | b | 86.00 | ----- | z | 102.00 | 93.00 | 94.00 | q | 76.00 | a | 68.00 | a | 64.00 | a | ----- | z | ||||
1983 | 65.00 | b | 63.00 | a | 68.00 | 72.00 | 85.00 | b | 90.00 | 98.00 | b | 96.00 | 95.00 | 80.00 | a | 73.00 | a | 47.00 | b | 98.00 | k | |||||
1984 | 57.00 | a | 60.00 | a | 72.00 | 73.00 | 88.00 | 92.00 | a | 100.00 | 95.00 | 95.00 | 78.00 | 74.00 | a | 61.00 | 100.00 | d | ||||||||
1985 | 54.00 | a | 57.00 | 77.00 | 85.00 | 89.00 | 100.00 | 101.00 | 100.00 | 89.00 | b | ----- | z | 70.00 | g | 47.00 | h | ----- | z | |||||||
1986 | 62.00 | b | 74.00 | a | 80.00 | 80.00 | 87.00 | a | 100.00 | a | 100.00 | a | 102.00 | a | 86.00 | 74.00 | h | 69.00 | a | 59.00 | 102.00 | p | ||||
1987 | 63.00 | 69.00 | 70.00 | b | 85.00 | 86.00 | 94.00 | a | 100.00 | 98.00 | 94.00 | 87.00 | 69.00 | 64.00 | b | 100.00 | e | |||||||||
1988 | 47.00 | p | 62.00 | c | 78.00 | 81.00 | 91.00 | e | 97.00 | a | 97.00 | 99.00 | 96.00 | a | 84.00 | 75.00 | 64.00 | a | ----- | z | ||||||
1989 | 61.00 | 67.00 | 76.00 | 89.00 | 95.00 | 99.00 | 103.00 | 91.00 | 89.00 | c | 84.00 | 76.00 | a | 65.00 | 103.00 | d | ||||||||||
1990 | 68.00 | 63.00 | 71.00 | a | 77.00 | d | 85.00 | 102.00 | a | 101.00 | 98.00 | 93.00 | d | 85.00 | 74.00 | 65.00 | 102.00 | j | ||||||||
1991 | 55.00 | 64.00 | 68.00 | 81.00 | 89.00 | 98.00 | 99.00 | 95.00 | 89.00 | 88.00 | a | 70.00 | a | 68.00 | 99.00 | b | ||||||||||
1992 | 58.00 | 69.00 | 69.00 | b | 89.00 | 87.00 | 92.00 | 97.00 | 96.00 | 89.00 | a | 86.00 | 64.00 | 45.00 | a | 97.00 | d | |||||||||
1993 | 47.00 | 51.00 | a | 76.00 | 75.00 | 85.00 | 95.00 | 99.00 | 95.00 | 91.00 | 87.00 | a | 60.00 | 56.00 | 99.00 | b | ||||||||||
1994 | 61.00 | a | 58.00 | 74.00 | a | 81.00 | 92.00 | 101.00 | 98.00 | 96.00 | 94.00 | 76.00 | a | 72.00 | 66.00 | 101.00 | c | |||||||||
1995 | 61.00 | 70.00 | a | 77.00 | 74.00 | 82.00 | 91.00 | 100.00 | a | 99.00 | 98.00 | a | 82.00 | 70.00 | a | 67.00 | a | 100.00 | e | |||||||
1996 | 71.00 | a | 67.00 | 74.00 | 83.00 | b | 92.00 | 91.00 | 97.00 | 98.00 | 94.00 | c | 86.00 | 73.00 | 62.00 | 98.00 | f | |||||||||
1997 | 69.00 | 65.00 | a | 79.00 | 76.00 | c | 88.00 | a | 95.00 | 99.00 | 93.00 | 87.00 | 86.00 | 74.00 | 58.00 | 99.00 | e | |||||||||
1998 | 63.00 | 66.00 | 78.00 | 83.00 | 87.00 | a | 94.00 | 103.00 | a | 96.00 | 97.00 | 78.00 | a | 73.00 | 69.00 | b | 103.00 | e | ||||||||
1999 | 62.00 | 70.00 | 76.00 | 74.00 | a | 84.00 | 93.00 | 98.00 | 91.00 | u | 85.00 | c | 83.00 | 78.00 | 66.00 | 98.00 | y | |||||||||
2000 | 63.00 | 68.00 | 72.00 | a | 80.00 | 93.00 | 97.00 | 100.00 | 99.00 | a | 97.00 | a | 84.00 | 58.00 | 58.00 | 100.00 | c | |||||||||
2001 | 57.00 | 56.00 | 69.00 | 81.00 | a | 89.00 | 96.00 | 100.00 | 96.00 | 94.00 | 83.00 | 76.00 | 60.00 | b | 100.00 | c | ||||||||||
2002 | 64.00 | a | 71.00 | 74.00 | 86.00 | 96.00 | 99.00 | b | 102.00 | 99.00 | 93.00 | 82.00 | 72.00 | 60.00 | a | 102.00 | d | |||||||||
2003 | 69.00 | 71.00 | a | 76.00 | 81.00 | 93.00 | 84.00 | 97.00 | a | 100.00 | a | 89.00 | a | 86.00 | 69.00 | a | 63.00 | 100.00 | e | |||||||
2004 | 63.00 | 65.00 | 80.00 | 82.00 | a | 90.00 | a | 100.00 | 101.00 | a | 100.00 | b | 94.00 | a | 78.00 | 73.00 | 65.00 | 101.00 | f | |||||||
2005 | 70.00 | 64.00 | 73.00 | a | 79.00 | 95.00 | 98.00 | 104.00 | 98.00 | 93.00 | 87.00 | 73.00 | b | 63.00 | 104.00 | c | ||||||||||
2006 | 68.00 | 72.00 | 73.00 | 85.00 | b | 94.00 | 101.00 | 101.00 | o | 96.00 | p | 93.00 | b | 85.00 | a | 77.00 | a | 60.00 | ----- | z | ||||||
2007 | 48.00 | 55.00 | 78.00 | 86.00 | 89.00 | a | 100.00 | b | 106.00 | a | 101.00 | b | 93.00 | 84.00 | 76.00 | 67.00 | b | 106.00 | h | |||||||
2008 | 49.00 | 61.00 | 73.00 | a | 83.00 | 89.00 | 92.00 | i | 101.00 | 103.00 | 91.00 | 85.00 | e | 76.00 | 66.00 | 103.00 | o | |||||||||
2009 | 69.00 | 67.00 | 77.00 | 80.00 | 91.00 | 90.00 | 99.00 | 97.00 | 92.00 | a | 84.00 | 76.00 | 55.00 | 99.00 | a | |||||||||||
2010 | 55.00 | 50.00 | 81.00 | 80.00 | 91.00 | 97.00 | 101.00 | 97.00 | 93.00 | 84.00 | 76.00 | 63.00 | 101.00 | |||||||||||||
2011 | 65.00 | 68.00 | 76.00 | ----- | 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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 91.00 | w | 97.00 | 94.00 | c | 84.00 | a | 65.00 | 62.00 | ----- | z | |||
2019 | 60.00 | 62.00 | 69.00 | 81.00 | 85.00 | a | 96.00 | 100.00 | 98.00 | 97.00 | 79.00 | 75.00 | 52.00 | 100.00 | a | |||||||||||
2020 | 55.00 | 73.00 | 70.00 | 78.00 | d | 90.00 | 95.00 | 101.00 | 100.00 | 99.00 | 85.00 | a | 77.00 | 63.00 | 101.00 | e | ||||||||||
2021 | 57.00 | 64.00 | 73.00 | 82.00 | 85.00 | a | 101.00 | 100.00 | 97.00 | 98.00 | 84.00 | 76.00 | 71.00 | 101.00 | a | |||||||||||
2022 | 60.00 | 59.00 | 76.00 | 81.00 | 91.00 | 99.00 | 102.00 | 99.00 | 99.00 | 79.00 | 69.00 | 58.00 | 102.00 | |||||||||||||
2023 | 53.00 | 54.00 | 70.00 | 76.00 | i | 80.00 | h | 93.00 | a | 98.00 | 97.00 | e | 96.00 | a | 87.00 | c | 74.00 | 67.00 | ----- | z | ||||||
2024 | 62.00 | 65.00 | 68.00 | 81.00 | m | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 60.80 | 64.04 | 73.70 | 80.51 | 88.87 | 95.94 | 100.34 | 97.82 | 92.83 | 83.38 | 71.67 | 62.31 | 100.70 | |||||||||||||
S.D. | 6.02 | 6.05 | 4.31 | 3.91 | 3.68 | 4.23 | 2.26 | 2.53 | 3.73 | 3.10 | 4.66 | 5.74 | 2.05 | |||||||||||||
SKEW | -0.39 | -0.46 | -0.37 | -0.07 | 0.02 | -0.76 | 0.09 | -0.29 | -0.51 | -0.70 | -1.22 | -0.85 | 0.04 | |||||||||||||
MAX | 71.00 | 74.00 | 81.00 | 89.00 | 96.00 | 102.00 | 106.00 | 103.00 | 99.00 | 89.00 | 78.00 | 75.00 | 104.00 | |||||||||||||
MIN | 47.00 | 50.00 | 62.00 | 72.00 | 82.00 | 84.00 | 95.00 | 91.00 | 83.00 | 76.00 | 58.00 | 45.00 | 97.00 | |||||||||||||
YRS | 45 | 45 | 47 | 45 | 46 | 47 | 47 | 45 | 46 | 45 | 45 | 45 | 20 |