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 | ----- | 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 | ----- | 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 | 44.07 | i | 40.26 | 40.26 | k | |
2005 | 44.89 | 44.82 | 48.58 | 57.20 | 66.81 | 76.38 | 80.35 | a | 75.79 | 73.08 | 59.24 | 49.52 | 40.11 | 59.73 | ||||||||||||
2006 | 43.21 | 43.50 | 51.00 | 63.65 | 72.42 | a | 80.30 | 80.95 | 76.90 | 66.85 | 58.66 | 48.48 | 38.19 | 60.34 | ||||||||||||
2007 | 32.73 | 43.89 | 53.13 | 56.12 | a | 65.27 | 74.52 | 78.00 | 80.39 | 73.52 | 62.47 | b | 47.47 | 39.87 | 58.95 | |||||||||||
2008 | 36.83 | a | 45.07 | a | 51.35 | a | 58.52 | 68.08 | a | 79.45 | 77.84 | 76.02 | a | 68.27 | 58.90 | 46.67 | 40.18 | 58.93 | ||||||||
2009 | 41.84 | 45.64 | 52.85 | 57.27 | 70.05 | 77.08 | 79.61 | 78.73 | c | 69.05 | b | 57.02 | 47.30 | 33.55 | 59.17 | |||||||||||
2010 | 37.23 | 38.88 | 49.71 | 59.02 | 66.68 | 79.73 | 79.39 | 78.68 | 74.18 | 60.68 | 45.25 | 43.94 | 59.45 | |||||||||||||
2011 | 37.35 | 38.00 | 54.31 | 63.35 | 66.95 | 80.28 | 83.31 | 83.32 | 71.28 | 59.92 | 47.47 | 34.19 | 59.98 | |||||||||||||
2012 | 42.50 | 42.33 | 54.87 | 64.03 | 69.97 | 81.03 | 81.40 | 80.73 | 71.70 | 60.45 | 50.47 | 40.05 | 61.63 | |||||||||||||
2013 | 38.65 | 42.18 | 51.73 | 59.47 | 68.34 | 81.27 | 78.52 | 78.48 | 72.05 | 57.79 | 46.09 | a | 38.22 | a | 59.40 | |||||||||||
2014 | 39.15 | 44.91 | a | 52.91 | d | 60.52 | 67.57 | a | 78.63 | 78.56 | 76.77 | 71.03 | 61.65 | 44.87 | 40.39 | 59.75 | ||||||||||
2015 | 37.13 | 44.41 | 51.63 | 58.75 | b | 65.03 | 77.57 | c | 80.23 | 79.73 | 75.33 | 62.10 | 46.45 | 41.08 | 59.95 | |||||||||||
2016 | 38.68 | 45.34 | a | 54.06 | 59.42 | 65.77 | 78.95 | 84.55 | 78.03 | 74.21 | d | ----- | z | ----- | z | ----- | z | 64.33 | c | |||||||
2017 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2018 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2019 | ----- | z | ----- | z | ----- | z | 62.15 | m | 61.32 | t | 74.55 | b | 78.56 | 79.24 | 74.38 | 53.74 | 43.33 | 38.61 | 63.20 | e | ||||||
2020 | 38.68 | a | 40.50 | a | 52.02 | 56.65 | 69.42 | 77.34 | a | 82.45 | a | 80.31 | 67.26 | a | 56.05 | 49.27 | 37.42 | 58.95 | ||||||||
2021 | 35.95 | 38.73 | 48.45 | a | 55.83 | a | 66.98 | a | 77.23 | 76.52 | 74.80 | c | 71.17 | 57.79 | 46.93 | a | 44.15 | 57.88 | ||||||||
2022 | 33.84 | 34.27 | 45.92 | 58.26 | a | 69.69 | 77.15 | 82.29 | 76.52 | 70.22 | 57.55 | a | 42.83 | a | 37.42 | a | 57.16 | |||||||||
2023 | 38.43 | a | 40.17 | b | 48.79 | b | 54.34 | a | 66.45 | 74.00 | 81.77 | a | 80.45 | 73.27 | 59.06 | 47.09 | a | 40.52 | 58.70 | |||||||
2024 | 34.79 | 43.91 | a | 48.02 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 42.24 | i | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 38.35 | 42.15 | 51.14 | 58.90 | 67.84 | 77.97 | 80.25 | 78.52 | 71.58 | 58.94 | 46.84 | 39.30 | 59.33 | |||||||||||||
S.D. | 3.29 | 3.23 | 2.53 | 2.84 | 2.02 | 2.27 | 2.17 | 2.21 | 2.57 | 2.31 | 2.09 | 2.77 | 1.04 | |||||||||||||
SKEW | 0.32 | -0.92 | -0.38 | 0.51 | 0.60 | -0.28 | 0.24 | 0.22 | -0.44 | -0.41 | -0.26 | -0.35 | 0.01 | |||||||||||||
MAX | 44.89 | 45.64 | 54.87 | 64.03 | 72.42 | 81.27 | 84.55 | 83.32 | 75.33 | 62.47 | 50.47 | 44.15 | 61.63 | |||||||||||||
MIN | 32.73 | 34.27 | 45.92 | 54.34 | 65.03 | 74.00 | 76.52 | 74.80 | 66.85 | 53.74 | 42.83 | 33.55 | 57.16 | |||||||||||||
YRS | 17 | 17 | 17 | 16 | 16 | 17 | 17 | 17 | 17 | 16 | 16 | 17 | 15 |