YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | ----- | 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 | 72.44 | f | 80.97 | k | 77.37 | a | 77.12 | a | ----- | z | ----- | z | 46.45 | 43.02 | 60.99 | h | ||
1992 | 40.77 | 48.76 | 57.69 | r | 62.86 | a | 67.87 | 75.68 | 79.65 | a | 76.90 | 73.77 | b | 63.92 | a | ----- | z | 44.19 | d | 63.44 | b | |||||
1993 | 42.39 | 44.40 | b | 52.63 | 61.72 | c | 69.50 | c | 79.17 | d | 82.93 | a | 80.43 | a | 70.79 | b | 60.67 | e | 48.00 | b | 45.31 | 61.50 | ||||
1994 | 42.08 | 44.70 | a | 54.10 | 62.52 | c | 71.11 | c | 84.21 | f | 83.59 | b | 81.02 | b | 74.54 | b | ----- | z | 55.02 | e | 49.98 | c | 61.86 | b | ||
1995 | 43.57 | a | 51.26 | c | 52.07 | a | 59.23 | b | 70.48 | 77.52 | b | 80.54 | q | 80.83 | y | 72.83 | 63.95 | a | 53.28 | a | 46.75 | e | 59.09 | b | ||
1996 | 43.70 | d | 48.76 | f | 49.64 | j | 60.69 | c | 77.85 | 81.25 | b | 81.27 | c | 77.73 | c | 70.33 | 62.98 | i | 52.92 | l | 45.60 | j | 70.40 | e | ||
1997 | 39.62 | b | 43.14 | 56.14 | b | 57.04 | d | 70.07 | b | 77.58 | e | 80.82 | c | 80.57 | b | 75.02 | c | ----- | z | 50.69 | d | 39.80 | h | 63.07 | b | |
1998 | 47.12 | a | 47.85 | b | 51.26 | b | 59.52 | c | 76.36 | c | 84.31 | f | ----- | z | ----- | z | 77.68 | 65.96 | c | 54.60 | a | 45.03 | 58.38 | c | ||
1999 | 49.37 | e | 51.27 | b | 54.00 | q | 62.33 | d | 68.02 | h | 77.19 | a | 80.33 | d | 81.95 | a | 72.31 | c | 62.68 | f | 56.28 | e | 42.61 | c | 63.74 | c |
2000 | 46.11 | h | 53.02 | c | 54.86 | m | ----- | z | ----- | z | ----- | z | 84.22 | o | 80.32 | 76.15 | 60.71 | g | 46.93 | a | 39.83 | d | 59.25 | g | ||
2001 | 40.82 | c | 47.25 | f | 51.35 | a | 64.50 | c | 73.34 | c | 81.48 | 84.67 | a | 80.86 | b | 75.03 | a | 64.59 | d | 54.04 | d | 44.41 | d | 65.01 | a | |
2002 | 44.82 | a | 42.95 | 50.43 | c | 65.52 | a | 72.91 | b | 82.00 | e | 79.91 | c | 82.20 | c | 73.45 | b | 62.08 | a | 49.05 | 42.93 | a | 62.35 | |||
2003 | 44.61 | c | 44.90 | c | 54.75 | a | 64.25 | 72.05 | a | 78.32 | 79.35 | a | 81.19 | 72.64 | a | 66.29 | 52.98 | 43.88 | a | 62.93 | ||||||
2004 | 44.68 | a | 42.85 | b | 56.85 | 61.17 | a | 72.00 | a | 78.68 | 78.89 | c | 75.59 | d | 71.00 | a | 63.00 | 49.13 | 43.98 | c | 61.49 | |||||
2005 | 47.82 | a | 46.65 | a | 52.31 | 60.50 | c | 68.00 | 77.67 | a | 79.02 | a | 77.13 | 75.72 | a | 62.12 | c | 52.22 | e | 44.25 | a | 61.95 | ||||
2006 | 47.64 | c | 47.92 | b | 55.88 | a | 65.83 | 74.57 | a | 78.97 | 80.77 | ----- | z | 68.86 | a | 61.94 | 54.62 | b | 41.86 | b | 61.72 | a | ||||
2007 | 37.40 | 46.98 | b | 57.13 | 58.26 | a | 66.40 | 76.63 | d | 77.02 | 78.28 | a | 74.83 | a | 65.81 | ----- | z | ----- | z | 63.87 | b | |||||
2008 | ----- | z | ----- | z | ----- | z | 63.29 | w | 71.98 | 83.21 | a | 79.00 | 77.57 | a | 69.08 | 61.98 | 51.47 | ----- | z | 70.61 | e | |||||
2009 | 43.65 | 50.41 | k | 55.35 | 61.13 | 71.45 | 79.72 | 80.56 | 79.58 | 69.45 | j | 60.74 | 53.47 | 37.86 | b | 62.35 | b | |||||||||
2010 | 40.34 | 43.09 | 51.84 | 61.63 | 68.84 | b | 81.92 | 76.94 | 79.61 | 75.23 | f | 63.79 | 51.75 | 45.71 | 60.50 | a | ||||||||||
2011 | 41.03 | 43.88 | 59.23 | 66.77 | 70.35 | 84.82 | 84.32 | 84.79 | 74.17 | 64.00 | 51.48 | 38.26 | 63.59 | |||||||||||||
2012 | 45.34 | 46.24 | 57.55 | 67.45 | 72.13 | 81.77 | 80.15 | 82.24 | h | 72.97 | 61.97 | 55.98 | 45.16 | 62.43 | a | |||||||||||
2013 | 41.42 | 46.45 | 54.00 | 60.27 | 70.97 | 81.42 | 78.27 | 80.55 | 74.63 | 62.87 | 49.00 | 41.00 | 61.74 | |||||||||||||
2014 | 40.71 | 47.23 | 52.53 | 62.45 | 70.40 | 81.35 | 81.77 | 80.40 | 71.62 | 65.02 | 47.20 | 45.03 | 62.14 | |||||||||||||
2015 | 38.32 | 45.52 | 51.81 | 61.52 | 66.89 | 77.15 | 81.98 | 81.56 | 76.55 | 64.37 | 51.07 | 46.61 | 61.95 | |||||||||||||
2016 | 42.10 | 50.03 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 75.28 | u | ----- | z | 56.60 | ----- | z | 49.58 | i | |||
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 | 46.43 | e | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 46.43 | k |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 43.01 | 46.61 | 54.06 | 62.14 | 71.16 | 79.69 | 80.39 | 79.78 | 73.36 | 63.43 | 51.80 | 43.70 | 62.18 | |||||||||||||
S.D. | 3.11 | 2.90 | 2.54 | 2.70 | 2.82 | 2.45 | 2.19 | 2.20 | 2.38 | 1.69 | 3.10 | 2.85 | 0.69 | |||||||||||||
SKEW | 0.27 | 0.57 | 0.40 | 0.27 | 0.49 | 0.26 | 0.32 | 0.03 | -0.25 | 0.07 | -0.17 | -0.27 | 0.98 | |||||||||||||
MAX | 49.37 | 53.02 | 59.23 | 67.45 | 77.85 | 84.82 | 84.67 | 84.79 | 77.68 | 66.29 | 56.60 | 49.98 | 63.59 | |||||||||||||
MIN | 37.40 | 42.85 | 50.43 | 57.04 | 66.40 | 75.68 | 76.94 | 75.59 | 68.86 | 60.67 | 46.45 | 37.86 | 61.49 | |||||||||||||
YRS | 23 | 22 | 19 | 22 | 22 | 21 | 22 | 21 | 22 | 19 | 23 | 21 | 9 |