YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | 74.77 | 76.23 | 90.06 | 92.65 | 73.23 | 62.29 | 47.40 | 32.68 | 68.66 | d | ||||||||
1972 | 36.13 | 42.79 | a | 57.87 | 60.37 | 76.10 | 78.93 | a | 86.58 | 89.74 | 72.80 | 65.97 | 46.70 | 34.39 | 62.36 | |||||||||||
1973 | 34.35 | 44.54 | 58.97 | 67.20 | 74.87 | 78.80 | 90.90 | 87.23 | 77.40 | 61.90 | 42.23 | ----- | z | 65.31 | a | |||||||||||
1974 | 36.03 | 48.46 | 54.03 | 63.03 | 68.61 | 84.00 | 85.77 | 88.87 | 81.47 | 66.00 | 47.47 | 40.81 | 63.71 | |||||||||||||
1975 | 37.90 | 40.14 | 50.81 | 60.97 | 72.23 | 77.27 | 90.26 | 80.77 | 81.50 | 60.39 | 46.83 | 40.94 | 61.67 | |||||||||||||
1976 | 38.13 | 45.21 | 52.52 | 62.67 | 71.90 | 75.57 | 85.48 | 81.61 | 82.47 | 64.10 | 49.63 | 38.35 | 62.30 | |||||||||||||
1977 | 31.19 | 49.11 | 56.26 | 70.67 | 68.77 | 85.07 | 85.74 | 91.39 | 72.50 | 63.74 | 45.27 | 37.90 | 63.13 | |||||||||||||
1978 | 37.42 | 44.00 | 56.97 | 60.57 | 69.90 | 82.07 | 87.10 | 82.87 | 71.43 | 65.32 | 40.73 | 34.74 | 61.09 | |||||||||||||
1979 | 24.58 | 37.96 | 56.06 | 64.40 | 75.48 | 81.70 | 89.32 | 86.58 | 80.43 | 66.71 | 40.30 | 41.03 | 62.05 | |||||||||||||
1980 | 28.94 | 39.04 | a | 52.65 | 66.47 | 71.35 | 74.80 | 87.26 | 81.87 | 75.93 | 64.42 | 45.23 | 37.00 | b | 60.41 | |||||||||||
1981 | 41.48 | 43.43 | 58.81 | 63.37 | 69.68 | 73.83 | 84.32 | 91.29 | 77.67 | 60.45 | 47.97 | 36.06 | 62.36 | |||||||||||||
1982 | 35.66 | b | 42.57 | 54.19 | 60.30 | 71.03 | 82.83 | 83.79 | b | 85.13 | 75.07 | 60.45 | 41.00 | 34.94 | 60.58 | |||||||||||
1983 | 42.10 | 44.54 | 55.68 | 63.13 | 76.42 | 76.80 | 81.45 | 86.87 | 73.40 | 63.90 | 46.23 | 26.58 | 61.43 | |||||||||||||
1984 | 38.26 | 42.97 | 56.67 | a | 59.90 | 66.71 | 75.90 | 88.97 | 86.94 | 72.83 | 59.32 | 43.13 | 27.00 | 59.88 | ||||||||||||
1985 | 31.06 | 37.68 | 53.65 | 65.83 | 74.48 | 80.27 | 94.65 | 84.35 | 70.87 | 60.03 | 33.77 | 27.16 | 59.48 | |||||||||||||
1986 | 36.94 | 42.57 | 56.87 | 62.67 | 73.48 | 84.00 | 81.74 | 92.19 | 70.47 | 67.26 | 48.21 | b | 35.29 | 62.64 | ||||||||||||
1987 | 34.48 | 46.68 | 55.87 | 68.77 | 75.77 | 83.80 | 84.06 | 87.65 | 83.67 | 69.06 | 51.45 | a | 34.97 | 64.69 | ||||||||||||
1988 | 35.00 | 48.38 | 56.81 | 66.13 | 72.19 | 76.87 | 87.45 | 87.26 | 78.90 | 71.17 | a | 47.33 | 36.32 | 63.65 | ||||||||||||
1989 | 40.03 | 35.93 | 50.47 | a | 67.37 | 72.26 | 82.00 | 86.77 | 84.45 | 81.50 | 63.71 | 50.13 | 37.97 | 62.72 | ||||||||||||
1990 | 43.63 | a | 43.96 | a | 58.77 | a | 68.67 | 69.65 | 78.77 | 91.03 | 87.32 | 86.40 | 59.77 | a | 52.55 | a | 31.83 | b | 64.36 | |||||||
1991 | 34.43 | a | 51.36 | 52.90 | a | 64.97 | 69.81 | 75.33 | 88.52 | 88.35 | 83.53 | 65.14 | b | 45.33 | 42.20 | a | 63.49 | |||||||||
1992 | 40.06 | 47.21 | 62.65 | 65.53 | 79.10 | 86.27 | 86.26 | 89.35 | 75.57 | 64.26 | 46.48 | a | 32.07 | b | 64.57 | |||||||||||
1993 | 30.37 | a | 38.46 | 51.60 | a | 60.87 | 79.00 | 77.00 | 80.48 | 85.06 | 81.27 | 67.52 | 45.10 | a | 36.47 | a | 61.10 | |||||||||
1994 | 42.72 | b | 41.37 | a | 61.00 | 67.30 | 74.74 | 79.30 | 92.32 | 87.26 | 83.40 | 63.55 | 42.93 | 37.20 | a | 64.42 | ||||||||||
1995 | 35.68 | 48.65 | b | 54.39 | 62.43 | 76.39 | 79.48 | a | 86.68 | 81.55 | 82.33 | 61.19 | 47.73 | 36.57 | a | 62.76 | ||||||||||
1996 | 32.78 | d | 39.86 | 53.27 | a | 64.07 | 67.52 | 79.63 | 91.70 | a | 87.74 | 76.20 | 60.45 | 43.28 | a | 30.77 | a | 60.60 | ||||||||
1997 | 34.79 | c | 42.71 | ----- | z | ----- | z | 75.43 | a | 77.83 | 86.13 | 89.46 | c | 77.76 | a | ----- | z | ----- | z | ----- | z | 69.16 | e | |||
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2010 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2011 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2012 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2013 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2014 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2015 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2016 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2017 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 35.93 | 43.45 | 55.59 | 64.31 | 72.88 | 79.42 | 87.22 | 86.88 | 77.78 | 63.77 | 45.56 | 35.25 | 62.31 | |||||||||||||
S.D. | 4.47 | 3.98 | 3.09 | 3.02 | 3.37 | 3.43 | 3.42 | 3.30 | 4.62 | 3.09 | 3.97 | 4.28 | 1.52 | |||||||||||||
SKEW | -0.41 | 0.05 | 0.33 | 0.26 | 0.01 | 0.32 | 0.04 | -0.19 | 0.02 | 0.44 | -0.85 | -0.52 | -0.10 | |||||||||||||
MAX | 43.63 | 51.36 | 62.65 | 70.67 | 79.10 | 86.27 | 94.65 | 92.65 | 86.40 | 71.17 | 52.55 | 42.20 | 64.69 | |||||||||||||
MIN | 24.58 | 35.93 | 50.47 | 59.90 | 66.71 | 73.83 | 80.48 | 80.77 | 70.47 | 59.32 | 33.77 | 26.58 | 59.48 | |||||||||||||
YRS | 26 | 26 | 25 | 25 | 27 | 27 | 27 | 27 | 27 | 26 | 26 | 25 | 24 |