YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 98.00 | a | ----- | 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 | ----- | 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 | 62.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |
1972 | ----- | z | 39.00 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 96.00 | a | 79.00 | b | 71.00 | a | 53.00 | c | 39.00 | h | ----- | z |
1973 | 45.00 | c | 41.00 | a | ----- | z | 72.00 | c | ----- | z | ----- | z | ----- | z | 91.00 | 87.00 | 78.00 | 59.00 | c | 42.00 | j | ----- | z | |||
1974 | ----- | z | 48.00 | e | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 80.00 | b | ----- | z | ----- | z | ----- | z | ----- | z |
1975 | ----- | z | ----- | z | 54.00 | b | 64.00 | 90.00 | 97.00 | 100.00 | 96.00 | 82.00 | a | 78.00 | b | 67.00 | f | ----- | 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 | 50.00 | g | ----- | 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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2001 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2002 | ----- | z | ----- | z | ----- | z | ----- | 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 | 91.00 | a | 83.00 | 85.00 | 80.00 | 60.00 | 62.00 | 44.00 | ----- | z | ||||||
2010 | 34.00 | 33.00 | 71.00 | 78.00 | 92.00 | 86.00 | 89.00 | 89.00 | 85.00 | 83.00 | 66.00 | 42.00 | 92.00 | |||||||||||||
2011 | 29.00 | 50.00 | 52.00 | 77.00 | 84.00 | 99.00 | 93.00 | 87.00 | 88.00 | 84.00 | 60.00 | 47.00 | 99.00 | |||||||||||||
2012 | 52.00 | 45.00 | 78.00 | 74.00 | 90.00 | 90.00 | a | 94.00 | 92.00 | 91.00 | 75.00 | a | 64.00 | 55.00 | 94.00 | b | ||||||||||
2013 | 41.00 | 38.00 | 47.00 | 73.00 | 91.00 | 89.00 | 91.00 | 93.00 | 90.00 | 74.00 | 53.00 | 40.00 | 93.00 | |||||||||||||
2014 | 38.00 | a | 39.00 | 53.00 | 71.00 | 85.00 | 84.00 | 86.00 | 84.00 | 82.00 | 68.00 | 55.00 | 49.00 | 86.00 | a | |||||||||||
2015 | 41.00 | 32.00 | 62.00 | 76.00 | a | 82.00 | 87.00 | 86.00 | 90.00 | 88.00 | 81.00 | 69.00 | 46.00 | 90.00 | a | |||||||||||
2016 | 41.00 | 53.00 | 69.00 | 79.00 | 88.00 | 90.00 | 92.00 | 87.00 | 80.00 | 73.00 | 71.00 | 41.00 | 92.00 | |||||||||||||
2017 | 39.00 | 60.00 | 61.00 | 70.00 | 78.00 | 93.00 | 88.00 | 85.00 | 90.00 | 75.00 | 56.00 | 57.00 | 93.00 | |||||||||||||
2018 | 43.00 | e | 44.00 | 48.00 | 67.00 | 94.00 | 92.00 | 89.00 | 88.00 | 89.00 | 72.00 | 50.00 | 42.00 | 94.00 | e | |||||||||||
2019 | 42.00 | 37.00 | 59.00 | 77.00 | 79.00 | 87.00 | 89.00 | 84.00 | 82.00 | 81.00 | 43.00 | 39.00 | 89.00 | |||||||||||||
2020 | 34.00 | 44.00 | a | 56.00 | 69.00 | a | 79.00 | 91.00 | 89.00 | 87.00 | 82.00 | 77.00 | 73.00 | 48.00 | 91.00 | b | ||||||||||
2021 | 38.00 | 43.00 | 67.00 | 81.00 | 85.00 | 95.00 | 90.00 | 85.00 | 86.00 | a | 82.00 | 63.00 | 57.00 | 95.00 | a | |||||||||||
2022 | 37.00 | 39.00 | 56.00 | 68.00 | b | 89.00 | 95.00 | a | 90.00 | 87.00 | 85.00 | 77.00 | 73.00 | 37.00 | 95.00 | c | ||||||||||
2023 | 37.00 | 41.00 | 43.00 | 85.00 | 86.00 | 88.00 | 90.00 | 92.00 | 94.00 | c | ----- | z | ----- | z | ----- | z | ----- | z | ||||||||
2024 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 39.40 | 42.71 | 58.63 | 73.81 | 86.13 | 90.88 | 90.41 | 88.78 | 85.26 | 75.82 | 60.63 | 46.00 | 92.42 | |||||||||||||
S.D. | 5.34 | 7.10 | 9.44 | 5.61 | 5.03 | 4.15 | 4.18 | 3.84 | 4.42 | 6.04 | 8.67 | 6.59 | 3.32 | |||||||||||||
SKEW | 0.38 | 0.76 | 0.31 | 0.16 | -0.23 | 0.32 | 0.69 | 0.54 | 0.23 | -0.93 | -0.23 | 0.52 | 0.01 | |||||||||||||
MAX | 52.00 | 60.00 | 78.00 | 85.00 | 94.00 | 99.00 | 100.00 | 96.00 | 94.00 | 84.00 | 73.00 | 57.00 | 99.00 | |||||||||||||
MIN | 29.00 | 32.00 | 43.00 | 64.00 | 78.00 | 84.00 | 83.00 | 84.00 | 79.00 | 60.00 | 43.00 | 37.00 | 86.00 | |||||||||||||
YRS | 15 | 17 | 16 | 16 | 15 | 16 | 17 | 18 | 19 | 17 | 16 | 14 | 12 |