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 | 77.05 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 77.05 | k |
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 | 29.44 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 29.44 | k | |
1972 | ----- | z | 10.50 | g | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 70.50 | c | 58.33 | d | 43.81 | b | 32.48 | h | 13.27 | p | 57.55 | i |
1973 | 16.12 | f | 21.02 | b | ----- | z | 44.42 | f | ----- | z | ----- | z | ----- | z | 72.68 | a | 60.20 | 53.66 | 35.29 | f | 17.96 | q | 51.89 | h | ||
1974 | ----- | z | 17.32 | h | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 54.87 | d | ----- | z | ----- | z | ----- | z | 54.87 | k |
1975 | ----- | z | ----- | z | 24.61 | d | 39.23 | 61.87 | 69.48 | 76.10 | 70.60 | 56.57 | b | 49.98 | g | 34.70 | o | ----- | z | 56.92 | e | |||||
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 | 28.79 | 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 | 62.17 | a | 63.32 | 64.23 | 61.75 | 40.23 | 38.53 | 14.21 | 49.21 | e | ||||||
2010 | 8.60 | 11.70 | 35.16 | 49.98 | 57.63 | 64.42 | 70.98 | 70.98 | 56.37 | 48.63 | 31.75 | 12.66 | 43.24 | |||||||||||||
2011 | 7.44 | 15.41 | 26.00 | 42.33 | 54.66 | 64.77 | 73.74 | 68.10 | 57.55 | 50.23 | 35.55 | 23.34 | 43.26 | |||||||||||||
2012 | 17.95 | 24.57 | 45.34 | 45.57 | 60.26 | 67.71 | a | 74.69 | 66.39 | 58.00 | 43.15 | a | 34.12 | 20.27 | 46.50 | |||||||||||
2013 | 13.45 | 13.73 | 20.61 | 36.13 | 54.31 | 65.15 | 69.32 | 68.52 | 62.18 | 46.31 | 29.32 | 9.60 | 40.72 | |||||||||||||
2014 | 2.47 | a | 2.29 | 19.29 | 39.65 | 55.42 | 67.52 | 66.95 | 68.06 | 58.85 | 45.35 | 23.40 | 22.73 | 39.33 | ||||||||||||
2015 | 14.47 | 6.16 | 30.68 | 45.83 | a | 56.19 | 65.37 | 69.47 | 65.79 | 64.80 | 48.56 | 39.83 | 29.56 | 44.73 | ||||||||||||
2016 | 11.84 | 19.22 | 37.74 | 44.53 | 56.77 | 66.97 | 70.39 | 69.44 | 62.88 | 49.48 | 41.27 | 18.56 | 45.76 | |||||||||||||
2017 | 17.40 | 26.11 | 29.40 | 46.08 | 53.76 | 66.12 | 69.58 | 64.61 | 62.82 | 48.60 | 30.12 | 15.66 | 44.19 | |||||||||||||
2018 | 11.98 | e | 9.27 | 25.95 | 30.73 | 62.84 | 67.65 | 68.73 | 67.24 | 61.23 | 41.69 | 24.27 | 21.82 | 41.12 | ||||||||||||
2019 | 10.81 | 6.95 | 22.10 | 41.25 | 51.10 | 64.55 | 70.15 | 64.95 | 60.97 | 42.63 | 26.30 | 18.00 | 39.98 | |||||||||||||
2020 | 16.63 | 14.89 | b | 32.37 | 39.60 | a | 53.98 | 66.87 | 71.00 | 67.87 | 56.37 | 38.42 | 35.83 | 20.85 | 42.89 | |||||||||||
2021 | 16.56 | 6.70 | 35.58 | 42.68 | 54.68 | 70.72 | 69.90 | 68.32 | 60.05 | a | 51.81 | 32.27 | 19.61 | 44.07 | ||||||||||||
2022 | 3.37 | 8.07 | 26.34 | 37.39 | b | 56.18 | 66.72 | a | 69.65 | 66.27 | 59.80 | 47.40 | 31.92 | 13.15 | 40.52 | |||||||||||
2023 | 17.58 | 14.38 | 23.76 | 41.35 | 58.39 | 68.42 | 67.40 | 67.55 | 62.76 | c | ----- | z | ----- | z | ----- | z | 46.84 | c | ||||||||
2024 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 12.18 | 13.36 | 29.02 | 41.49 | 56.54 | 66.54 | 70.50 | 67.89 | 59.81 | 46.25 | 32.46 | 18.57 | 42.79 | |||||||||||||
S.D. | 5.15 | 7.05 | 6.95 | 4.73 | 3.21 | 2.12 | 3.39 | 2.33 | 2.74 | 4.30 | 5.52 | 5.21 | 2.28 | |||||||||||||
SKEW | -0.63 | 0.34 | 0.70 | -0.42 | 0.53 | -0.01 | 0.19 | 0.25 | -0.07 | -0.15 | -0.09 | 0.20 | 0.00 | |||||||||||||
MAX | 17.95 | 26.11 | 45.34 | 49.98 | 62.84 | 70.72 | 77.05 | 72.68 | 64.80 | 53.66 | 41.27 | 29.56 | 46.50 | |||||||||||||
MIN | 2.47 | 2.29 | 19.29 | 30.73 | 51.10 | 62.17 | 63.32 | 64.23 | 54.87 | 38.42 | 23.40 | 9.60 | 39.33 | |||||||||||||
YRS | 14 | 15 | 16 | 15 | 15 | 16 | 17 | 18 | 19 | 16 | 14 | 14 | 13 |