YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1960 | ----- | z | ----- | z | ----- | z | ----- | z | 63.39 | 77.18 | 75.77 | 76.31 | 71.50 | 57.69 | 49.20 | 36.61 | 63.46 | d | ||||||||
1961 | 39.81 | 43.30 | 47.31 | 56.50 | 64.71 | 74.27 | 77.16 | 74.95 | 66.60 | 58.18 | 43.50 | 40.90 | 57.27 | |||||||||||||
1962 | 35.89 | 46.27 | 43.45 | 58.57 | 63.32 | 71.47 | 73.73 | 76.61 | 69.72 | 60.34 | 50.50 | 41.69 | 57.63 | |||||||||||||
1963 | 36.39 | 43.68 | 47.50 | 55.22 | 66.79 | 71.20 | 77.34 | 71.74 | 70.12 | 61.65 | 48.23 | 39.98 | 57.49 | |||||||||||||
1964 | 35.00 | 35.48 | 44.81 | 53.08 | 64.69 | 71.62 | 77.11 | 74.61 | 66.80 | 60.06 | 46.28 | 40.02 | 55.80 | |||||||||||||
1965 | 42.16 | 40.50 | 43.95 | 55.37 | 61.84 | 69.02 | 76.76 | 73.85 | 66.40 | 59.23 | 51.97 | 40.47 | 56.79 | |||||||||||||
1966 | 35.60 | 36.48 | 48.74 | 56.83 | 65.24 | 72.32 | 78.11 | 73.34 | 67.80 | 57.29 | 50.50 | 39.10 | 56.78 | |||||||||||||
1967 | 39.84 | 43.41 | 52.61 | 55.05 | 61.45 | 70.53 | 76.63 | 72.42 | 66.75 | 59.56 | 49.82 | 36.03 | 57.01 | |||||||||||||
1968 | 39.23 | 45.26 | 46.23 | 51.95 | 63.68 | 73.35 | 74.24 | 70.52 | ----- | z | ----- | z | ----- | z | ----- | z | 58.06 | d | ||||||||
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 | ----- | 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 | ----- | z | ----- | z | 74.34 | 66.43 | 55.79 | 48.12 | 37.48 | 56.43 | g | |||||
2010 | 37.15 | 40.02 | 45.52 | 53.45 | 61.60 | 73.80 | 74.82 | 73.55 | 70.12 | 58.45 | 43.32 | 43.00 | 56.23 | |||||||||||||
2011 | 37.53 | 38.25 | 51.31 | 57.78 | 60.48 | a | 74.05 | 77.50 | 77.00 | 69.00 | 58.23 | k | 44.93 | 33.98 | 56.53 | a | ||||||||||
2012 | 42.26 | 41.62 | a | 48.77 | 58.09 | a | 64.23 | 75.93 | 74.93 | a | 75.53 | 68.52 | 60.19 | 50.50 | 39.56 | 58.35 | ||||||||||
2013 | 35.58 | 39.05 | 50.77 | 55.70 | 57.88 | w | 77.10 | f | 74.19 | 73.63 | 67.62 | 55.10 | 46.90 | 39.11 | 53.77 | b | ||||||||||
2014 | 42.65 | 47.05 | 49.82 | 55.48 | 62.63 | 75.45 | 76.92 | a | 72.19 | 69.25 | 60.61 | 46.63 | 42.37 | 58.42 | ||||||||||||
2015 | 40.03 | 47.73 | 51.92 | 54.27 | 59.84 | 74.32 | 74.73 | 75.79 | 70.00 | 59.48 | c | 46.52 | e | 39.53 | b | 57.85 | ||||||||||
2016 | 38.27 | e | 45.57 | 50.94 | 54.38 | a | 61.03 | 75.10 | 78.31 | 71.28 | a | 67.48 | 61.76 | h | 46.93 | g | 41.68 | i | 60.26 | c | ||||||
2017 | 40.32 | 46.77 | 53.50 | 56.30 | 61.27 | 74.55 | 74.87 | a | 71.35 | 67.62 | 59.56 | 54.03 | 41.89 | 58.50 | ||||||||||||
2018 | 40.50 | 44.79 | 49.23 | 58.60 | 65.89 | 75.80 | 76.29 | 74.98 | 69.32 | 55.95 | 44.40 | 39.84 | 57.96 | |||||||||||||
2019 | 39.35 | 39.55 | 48.00 | 55.33 | 58.34 | 70.56 | e | ----- | z | 77.05 | 69.70 | 55.58 | 47.59 | a | 39.25 | a | 54.57 | a | ||||||||
2020 | 40.55 | 41.90 | 48.94 | 55.48 | 66.39 | 72.87 | 78.87 | 78.52 | 68.28 | a | 61.06 | 50.19 | a | 37.13 | a | 58.35 | ||||||||||
2021 | 39.06 | 42.18 | 45.58 | 56.22 | 64.61 | 75.67 | 74.33 | a | 73.02 | a | 69.10 | 56.98 | a | 50.87 | 44.39 | 57.67 | ||||||||||
2022 | 38.63 | 38.73 | b | 47.40 | 59.50 | 68.98 | 77.05 | 79.76 | 75.32 | 71.83 | 57.82 | 45.45 | 43.61 | 58.67 | ||||||||||||
2023 | 40.50 | 41.86 | 48.63 | 56.83 | 65.87 | 73.85 | 83.31 | 79.63 | 73.90 | 62.37 | 51.08 | 41.58 | 59.95 | |||||||||||||
2024 | 39.79 | 45.22 | 47.68 | 51.58 | l | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 44.23 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 38.96 | 42.38 | 48.37 | 55.91 | 63.47 | 73.63 | 76.62 | 74.48 | 68.86 | 58.71 | 48.21 | 39.89 | 57.69 | |||||||||||||
S.D. | 2.21 | 3.46 | 2.71 | 1.89 | 2.58 | 2.22 | 2.24 | 2.34 | 1.91 | 2.08 | 2.90 | 2.56 | 1.01 | |||||||||||||
SKEW | -0.25 | -0.26 | 0.01 | -0.04 | 0.04 | -0.30 | 1.14 | 0.28 | 0.75 | -0.16 | -0.01 | -0.37 | 0.15 | |||||||||||||
MAX | 42.65 | 47.73 | 53.50 | 59.50 | 68.98 | 77.18 | 83.31 | 79.63 | 73.90 | 62.37 | 54.03 | 44.39 | 59.95 | |||||||||||||
MIN | 35.00 | 35.48 | 43.45 | 51.95 | 58.34 | 69.02 | 73.73 | 70.52 | 66.40 | 55.10 | 43.32 | 33.98 | 55.80 | |||||||||||||
YRS | 23 | 23 | 23 | 22 | 22 | 22 | 22 | 24 | 23 | 21 | 22 | 22 | 17 |