YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | 66.10 | b | 74.60 | 78.23 | 82.71 | 67.93 | 61.77 | 42.47 | 27.68 | 62.69 | d | |||||||
1963 | 11.81 | 22.61 | 44.65 | 57.20 | 67.03 | 79.50 | 85.17 | a | 80.90 | 75.13 | 70.74 | 45.03 | 16.73 | a | 54.71 | |||||||||||
1964 | 25.86 | i | 28.33 | b | 29.00 | a | 56.90 | ----- | z | ----- | z | 85.86 | i | 78.03 | a | 69.10 | a | 59.13 | 39.70 | 15.10 | 46.91 | d | ||||
1965 | 11.10 | a | 19.00 | 25.03 | 50.87 | 67.87 | 75.83 | 80.32 | 80.06 | 58.77 | 60.07 | a | 37.57 | 29.55 | 49.67 | |||||||||||
1966 | 4.94 | 17.75 | 39.45 | 46.37 | 65.97 | 78.47 | 86.55 | 77.19 | 72.30 | 59.10 | b | 33.77 | 22.33 | a | 50.35 | |||||||||||
1967 | 20.03 | 17.50 | 38.27 | a | 50.87 | 63.29 | 74.90 | 83.65 | 82.26 | 74.37 | 56.00 | 38.30 | 23.77 | 51.93 | ||||||||||||
1968 | 18.00 | a | 19.48 | 46.55 | 55.93 | 64.58 | 76.00 | 81.94 | 81.48 | 70.97 | 57.65 | 38.30 | 17.68 | 52.38 | ||||||||||||
1969 | 9.45 | 23.14 | 28.23 | 57.23 | 71.47 | a | 70.77 | 81.97 | 88.29 | 71.87 | 49.52 | 39.33 | 25.10 | 51.36 | ||||||||||||
1970 | 10.00 | 22.79 | 28.84 | 51.03 | 66.39 | 81.83 | 87.65 | 85.52 | 74.40 | 56.61 | 35.00 | 19.87 | 51.66 | |||||||||||||
1971 | 9.19 | 22.75 | 34.68 | 57.73 | 67.97 | 80.17 | 78.65 | 82.84 | 72.69 | a | 58.52 | 37.10 | a | 21.52 | 51.98 | |||||||||||
1972 | 11.45 | 14.97 | 34.03 | 50.17 | 71.52 | b | 80.93 | c | 81.13 | a | 82.55 | 68.90 | a | 54.74 | 34.33 | ----- | z | 53.16 | a | |||||||
1973 | 21.77 | a | 26.68 | 44.13 | a | 54.50 | 67.06 | 78.97 | 82.39 | 83.90 | 66.77 | 61.77 | 34.50 | 19.39 | 53.49 | |||||||||||
1974 | 12.87 | 23.26 | a | 30.13 | ----- | z | 59.87 | 77.87 | 86.42 | 76.87 | 67.40 | 58.87 | 38.70 | 29.16 | 51.04 | a | ||||||||||
1975 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 75.40 | 85.94 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 80.67 | j | ||
1976 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1977 | ----- | z | ----- | z | ----- | z | ----- | z | 79.77 | a | 79.10 | 83.87 | 74.52 | 66.60 | ----- | z | ----- | z | 14.79 | c | 66.44 | f | ||||
1978 | 5.68 | 14.00 | 32.42 | ----- | z | 71.00 | 77.00 | ----- | z | ----- | z | ----- | z | 57.65 | 34.38 | a | 16.52 | 38.58 | d | |||||||
1979 | 3.68 | 10.25 | 29.87 | 43.50 | 58.87 | 75.13 | 81.52 | 77.26 | 73.83 | 54.42 | 34.27 | 29.29 | 47.66 | |||||||||||||
1980 | 17.68 | 19.07 | 29.97 | a | 62.13 | 76.42 | 77.43 | 84.45 | 79.41 | b | 67.40 | 52.48 | 44.71 | m | 23.43 | c | 53.63 | a | ||||||||
1981 | 22.60 | a | 27.59 | a | 45.79 | b | 57.67 | 67.52 | 73.47 | 82.23 | 81.55 | 69.43 | 52.58 | 46.97 | 19.81 | 53.93 | ||||||||||
1982 | 7.29 | 20.46 | 32.10 | 44.95 | h | 69.81 | 71.63 | 82.42 | 81.16 | 68.34 | a | 55.68 | 33.10 | 27.83 | a | 49.98 | a | |||||||||
1983 | 24.10 | 29.04 | 35.81 | 50.73 | 64.35 | 76.33 | 85.45 | 86.13 | 69.27 | 54.03 | 37.20 | 7.84 | 51.69 | |||||||||||||
1984 | 18.30 | a | 31.86 | 31.23 | 56.90 | 66.61 | 76.93 | 83.52 | 86.58 | 64.57 | 56.81 | 37.27 | 20.68 | 52.60 | ||||||||||||
1985 | 16.52 | 17.50 | 41.61 | ----- | z | ----- | z | 70.43 | 82.55 | 74.32 | 63.93 | 55.39 | 26.83 | 13.73 | a | 46.28 | b | |||||||||
1986 | 22.03 | 17.11 | 39.84 | 53.47 | ----- | z | 78.26 | c | 79.86 | b | 74.55 | 62.97 | 55.68 | c | 30.38 | a | 28.54 | c | 49.33 | a | ||||||
1987 | 25.43 | c | 34.20 | c | 40.96 | e | ----- | z | 71.65 | k | ----- | z | 83.84 | l | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 33.53 | i |
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 | ----- | 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 | 14.47 | 21.79 | 35.57 | 53.72 | 67.67 | 76.56 | 82.99 | 80.82 | 68.95 | 57.24 | 36.88 | 21.38 | 51.80 | |||||||||||||
S.D. | 6.71 | 5.99 | 6.47 | 4.72 | 4.89 | 3.06 | 2.55 | 4.00 | 4.14 | 4.26 | 4.57 | 5.94 | 1.85 | |||||||||||||
SKEW | 0.04 | 0.27 | 0.26 | -0.44 | 0.59 | -0.40 | -0.04 | -0.03 | -0.49 | 1.22 | 0.19 | -0.30 | -0.61 | |||||||||||||
MAX | 25.43 | 34.20 | 46.55 | 62.13 | 79.77 | 81.83 | 87.65 | 88.29 | 75.13 | 70.74 | 46.97 | 29.55 | 54.71 | |||||||||||||
MIN | 3.68 | 10.25 | 25.03 | 43.50 | 58.87 | 70.43 | 78.23 | 74.32 | 58.77 | 49.52 | 26.83 | 7.84 | 47.66 | |||||||||||||
YRS | 21 | 22 | 22 | 17 | 20 | 23 | 22 | 22 | 22 | 22 | 21 | 22 | 13 |