YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1945 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | 40.48 | f | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1970 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 54.73 | ----- | z | ----- | z | 54.73 | k | |
1971 | ----- | z | ----- | z | ----- | z | ----- | z | 65.61 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 65.61 | k | |
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 | 52.90 | ----- | z | ----- | z | 52.90 | k | |
1977 | ----- | z | ----- | z | ----- | z | 57.20 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 57.20 | k |
1978 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1979 | ----- | z | 38.71 | 49.00 | 59.02 | a | ----- | z | ----- | z | ----- | z | 74.84 | b | 72.66 | b | 62.08 | a | 43.03 | a | 40.11 | 54.93 | d | |||
1980 | 38.79 | 41.98 | b | 47.06 | 56.74 | c | 65.78 | a | 81.38 | a | ----- | z | 79.79 | c | 72.53 | a | 58.88 | a | ----- | z | ----- | z | 60.33 | c | ||
1981 | 40.77 | ----- | z | 49.52 | a | ----- | z | 67.20 | a | ----- | z | ----- | z | ----- | z | 69.48 | a | 60.57 | c | 51.78 | ----- | z | 56.55 | f | ||
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 | 42.35 | 49.98 | d | 52.08 | a | 59.33 | 71.18 | 73.07 | b | 79.27 | c | 78.88 | a | 73.00 | 61.05 | 41.62 | 34.73 | a | 59.71 | |||||||
2001 | 35.50 | a | 43.23 | 45.57 | d | 61.00 | 67.48 | c | 77.27 | 82.06 | 78.25 | a | 70.93 | 60.27 | 51.10 | 41.93 | a | 59.55 | ||||||||
2002 | 40.45 | 40.07 | 45.58 | 60.14 | b | 66.50 | j | 76.22 | a | 77.74 | b | 79.83 | a | 70.97 | 57.10 | e | 45.52 | c | 39.52 | 57.56 | a | |||||
2003 | 40.67 | a | 40.70 | 50.98 | 62.92 | l | 67.24 | 71.60 | 78.84 | 79.34 | 68.81 | f | 63.13 | 46.74 | c | 42.35 | e | 58.16 | b | |||||||
2004 | 41.42 | 40.02 | 53.73 | 57.18 | 68.29 | 73.98 | a | 75.45 | c | 74.02 | 68.97 | 60.23 | c | 45.47 | 39.89 | 58.22 | ||||||||||
2005 | 42.35 | a | 44.27 | 48.27 | 57.03 | 65.34 | 75.73 | 76.50 | 75.67 | g | 73.62 | a | 60.66 | 48.71 | b | 39.45 | 57.45 | a | ||||||||
2006 | 45.02 | 42.69 | a | 51.76 | 63.18 | h | 69.79 | 77.32 | 80.19 | 77.92 | 66.30 | c | 58.70 | a | 50.25 | l | 40.54 | c | 61.02 | b | ||||||
2007 | 33.20 | a | 41.02 | 53.72 | a | 53.13 | 64.22 | h | 71.18 | 74.73 | a | 77.31 | 71.76 | a | 63.39 | 49.05 | 40.39 | 57.17 | a | |||||||
2008 | 38.29 | 43.84 | 50.05 | 56.82 | 66.06 | 77.76 | e | 75.66 | b | 75.73 | 67.05 | 58.65 | a | 49.26 | a | 40.39 | 58.30 | |||||||||
2009 | 39.82 | 46.80 | 52.06 | 56.69 | a | 66.70 | d | 76.03 | 77.27 | 77.15 | 67.67 | 56.39 | 51.65 | 34.19 | 58.54 | |||||||||||
2010 | 36.94 | 36.52 | 48.07 | c | 58.03 | 65.02 | 78.23 | 74.63 | 77.35 | 72.63 | 61.68 | 48.10 | 42.98 | 58.35 | ||||||||||||
2011 | 37.37 | 38.59 | 53.23 | 62.12 | 66.87 | 81.62 | 83.19 | 83.63 | 70.32 | 61.03 | 48.45 | 35.98 | 60.20 | |||||||||||||
2012 | 42.77 | 42.02 | 56.26 | 64.47 | 70.73 | 77.58 | 80.05 | 79.15 | 71.55 | 58.68 | 53.35 | 41.87 | 61.54 | |||||||||||||
2013 | 39.29 | 41.75 | 50.02 | 54.87 | 67.50 | 77.97 | 76.47 | 77.44 | 72.97 | 59.84 | 46.55 | 37.24 | 58.49 | |||||||||||||
2014 | 36.53 | 39.59 | 47.40 | 58.22 | 65.89 | 75.45 | 76.34 | 77.63 | 69.67 | 62.03 | a | 43.60 | 41.79 | 57.84 | ||||||||||||
2015 | 35.79 | 41.71 | 48.45 | 59.20 | 63.61 | 74.83 | 78.39 | 77.45 | 75.05 | 62.05 | 49.03 | 41.92 | 58.96 | |||||||||||||
2016 | 39.27 | 46.14 | 54.92 | 58.93 | 65.48 | 77.42 | 83.69 | 77.02 | 71.10 | 63.58 | 52.97 | 39.31 | 60.82 | |||||||||||||
2017 | 39.95 | 48.39 | 55.27 | 60.03 | 66.15 | 77.23 | 78.77 | 74.27 | 69.87 | 59.77 | 52.15 | 40.40 | 60.19 | |||||||||||||
2018 | 36.16 | 42.64 | 52.94 | 56.37 | 74.61 | 80.50 | 80.10 | 78.45 | 70.45 | 57.94 | 44.27 | 38.74 | 59.43 | |||||||||||||
2019 | 39.74 | 42.54 | 46.45 | 58.23 | 64.89 | 74.63 | 80.23 | 81.85 | 75.93 | 55.11 | 44.58 | 43.16 | 58.95 | |||||||||||||
2020 | 42.02 | 39.57 | 53.39 | 57.73 | 70.50 | 77.65 | 83.87 | 81.77 | 68.07 | 57.97 | 53.32 | 40.29 | 60.51 | |||||||||||||
2021 | 38.32 | 34.59 | 50.42 | 55.90 | 66.03 | 76.92 | 77.34 | 77.87 | 74.52 | 62.73 | 50.00 | 48.68 | 59.44 | |||||||||||||
2022 | 36.10 | 36.34 | 49.18 | 61.03 | 72.95 | 79.55 | 85.03 | 79.34 | 73.85 | 60.31 | 46.00 | 40.84 | 60.04 | |||||||||||||
2023 | 42.45 | 42.86 | 51.90 | 57.50 | 68.73 | 76.93 | 81.34 | 83.24 | 76.43 | 61.71 | 50.00 | 43.68 | 61.40 | |||||||||||||
2024 | 36.08 | 46.97 | 52.03 | 57.85 | g | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 45.03 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 39.16 | 41.98 | 50.69 | 58.28 | 67.59 | 76.72 | 79.05 | 78.38 | 71.44 | 59.76 | 48.25 | 40.41 | 59.50 | |||||||||||||
S.D. | 2.81 | 3.63 | 2.95 | 2.39 | 2.69 | 2.62 | 3.01 | 2.46 | 2.66 | 2.67 | 3.40 | 2.97 | 1.09 | |||||||||||||
SKEW | -0.05 | 0.19 | -0.03 | 0.43 | 1.02 | -0.21 | 0.36 | 0.35 | -0.04 | -0.77 | -0.18 | 0.17 | 0.32 | |||||||||||||
MAX | 45.02 | 49.98 | 56.26 | 64.47 | 74.61 | 81.62 | 85.03 | 83.63 | 76.43 | 63.58 | 53.35 | 48.68 | 61.54 | |||||||||||||
MIN | 33.20 | 34.59 | 45.57 | 53.13 | 63.61 | 71.18 | 74.63 | 74.02 | 66.30 | 52.90 | 41.62 | 34.19 | 57.84 | |||||||||||||
YRS | 27 | 27 | 28 | 25 | 25 | 25 | 24 | 25 | 26 | 29 | 25 | 25 | 19 |