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 | 45.14 | 49.58 | 55.93 | c | 69.17 | s | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 40.59 | a | 36.03 | 45.45 | g | |||
1948 | 40.55 | b | 38.90 | 38.84 | f | 52.12 | v | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 39.72 | j | |
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 | 51.30 | ----- | z | 51.30 | k | |
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 | 54.06 | n | 53.56 | k | 49.37 | l | 69.47 | m | 75.87 | h | 82.43 | i | 85.00 | j | 80.82 | n | 78.70 | 63.23 | 46.07 | 50.52 | 59.63 | h | ||||
2001 | 42.58 | 46.89 | 54.35 | 61.30 | 74.68 | 83.24 | a | 81.32 | 78.77 | a | 79.23 | 71.14 | i | 55.53 | 45.13 | 63.91 | a | |||||||||
2002 | 44.77 | 49.67 | a | 54.48 | 66.74 | c | 73.65 | 86.08 | f | 84.81 | 82.10 | a | 75.57 | 63.23 | 55.57 | 43.61 | 63.11 | a | ||||||||
2003 | 54.32 | 47.43 | 50.90 | 60.93 | 74.55 | 82.07 | a | 88.63 | a | 80.52 | 76.63 | 71.81 | 53.43 | 49.20 | a | 65.87 | ||||||||||
2004 | 44.48 | 43.54 | c | 61.77 | 60.59 | a | 74.29 | 82.53 | 83.13 | 79.61 | 75.10 | a | 63.29 | 51.20 | 47.74 | 63.94 | ||||||||||
2005 | 47.53 | a | 45.62 | b | 51.23 | 63.03 | a | 72.97 | 80.14 | b | 87.19 | 77.77 | 76.10 | 66.27 | a | 59.31 | a | 50.30 | d | 64.79 | ||||||
2006 | 50.38 | b | 54.59 | a | 51.79 | c | 63.77 | 76.10 | 85.27 | 84.19 | 76.67 | a | 70.90 | 62.84 | 58.00 | c | 45.97 | 65.04 | ||||||||
2007 | 40.34 | b | 46.96 | 58.77 | 63.83 | 72.52 | 82.97 | 86.19 | 81.87 | 77.03 | 69.71 | j | 61.97 | 44.32 | 65.16 | a | ||||||||||
2008 | 42.35 | 48.00 | 57.19 | 63.90 | 68.84 | 83.47 | 81.19 | 80.74 | 75.80 | 68.71 | 58.33 | 46.29 | 64.57 | |||||||||||||
2009 | 49.29 | 53.27 | b | 57.38 | o | 61.73 | 73.84 | 75.27 | 85.48 | 83.58 | 75.97 | 64.42 | 59.33 | 41.42 | 65.78 | a | ||||||||||
2010 | 46.26 | 45.71 | 52.45 | 62.10 | 69.87 | 82.27 | 81.16 | 80.84 | 80.33 | 68.19 | 53.87 | 51.87 | 64.58 | |||||||||||||
2011 | 47.81 | 46.57 | 60.29 | 65.20 | 68.16 | 84.00 | 83.81 | 83.90 | 78.13 | 67.84 | 53.73 | 44.19 | 65.30 | |||||||||||||
2012 | 50.87 | 50.28 | 56.65 | 66.83 | 75.03 | 86.07 | 81.65 | 81.06 | 76.20 | 69.16 | 58.80 | 44.94 | 66.46 | |||||||||||||
2013 | 34.81 | 41.68 | 56.97 | 62.63 | 71.77 | 86.03 | 80.03 | 78.35 | 73.70 | 63.61 | 53.63 | 44.16 | 62.28 | |||||||||||||
2014 | 51.61 | 53.04 | 56.16 | 62.60 | 69.90 | 84.10 | 82.16 | 76.94 | 75.07 | 67.13 | 54.87 | 45.87 | 64.95 | |||||||||||||
2015 | 47.29 | 55.46 | 58.16 | 62.00 | 65.84 | 83.10 | 78.61 | 81.90 | 76.07 | 65.52 | 51.77 | 42.97 | 64.06 | |||||||||||||
2016 | 43.48 | 53.83 | 59.58 | 60.83 | 67.90 | 85.03 | 84.26 | 77.13 | 74.87 | 70.48 | 55.63 | 47.39 | 65.04 | |||||||||||||
2017 | 39.77 | 52.24 | c | 60.32 | 64.07 | 70.10 | 86.20 | 81.13 | 79.58 | 75.63 | 71.03 | 63.40 | 51.81 | 66.27 | ||||||||||||
2018 | 50.58 | 50.54 | 54.58 | 68.10 | 74.90 | 85.33 | 81.87 | 81.32 | 79.53 | 59.68 | 52.67 | 43.74 | 65.24 | |||||||||||||
2019 | 43.39 | 40.93 | 54.42 | 62.97 | 62.84 | 80.60 | 84.00 | 82.94 | 74.79 | b | 65.39 | 55.83 | 43.58 | 62.64 | ||||||||||||
2020 | 45.38 | e | 47.68 | a | 52.84 | 63.61 | b | 75.90 | 85.80 | y | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 57.08 | g | ||
2021 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 45.61 | 48.09 | 55.62 | 62.99 | 71.68 | 83.20 | 83.20 | 80.29 | 76.27 | 66.21 | 54.76 | 45.76 | 64.73 | |||||||||||||
S.D. | 4.73 | 4.55 | 3.52 | 2.59 | 3.63 | 2.66 | 2.56 | 2.23 | 2.17 | 3.31 | 5.03 | 3.73 | 1.16 | |||||||||||||
SKEW | -0.24 | -0.17 | 0.03 | -0.40 | -0.80 | -1.44 | 0.35 | -0.15 | -0.17 | -0.00 | -0.88 | -0.36 | -0.66 | |||||||||||||
MAX | 54.32 | 55.46 | 61.77 | 68.10 | 76.10 | 86.20 | 88.63 | 83.90 | 80.33 | 71.81 | 63.40 | 51.87 | 66.46 | |||||||||||||
MIN | 34.81 | 38.90 | 49.58 | 55.93 | 62.84 | 75.27 | 78.61 | 76.67 | 70.90 | 59.68 | 40.59 | 36.03 | 62.28 | |||||||||||||
YRS | 21 | 22 | 20 | 21 | 20 | 18 | 19 | 19 | 20 | 18 | 22 | 21 | 15 |