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 | ----- | 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 | 57.27 | a | 35.87 | 12.71 | j | 46.57 | j | |
1990 | 24.63 | a | 28.04 | b | 39.32 | 47.59 | a | 61.75 | c | 74.30 | 78.06 | ----- | z | ----- | z | 52.42 | 38.58 | f | 16.77 | 46.99 | c | |||||
1991 | 10.84 | 25.32 | 39.40 | a | 55.11 | c | 70.10 | 76.33 | 75.21 | b | 80.90 | 66.63 | ----- | z | ----- | z | ----- | z | 55.54 | c | ||||||
1992 | ----- | z | 25.68 | a | ----- | z | 42.10 | a | 67.42 | 69.14 | a | 69.94 | 70.48 | 64.86 | b | 51.13 | 30.79 | b | ----- | z | 54.61 | c | ||||
1993 | 15.55 | b | 19.63 | a | 35.90 | b | 48.33 | f | 61.76 | b | 69.12 | f | 72.00 | b | 75.07 | d | 56.46 | f | 47.11 | c | ----- | z | ----- | z | 46.72 | e |
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 | 20.56 | d | 34.43 | u | 38.43 | h | 60.32 | e | 71.14 | c | 71.86 | b | 77.78 | d | 78.62 | b | ----- | z | 53.66 | b | 35.03 | a | 21.55 | 54.50 | c | |
1999 | 12.87 | a | 29.85 | a | 36.74 | d | 53.52 | a | 65.58 | g | 72.39 | b | ----- | z | 75.00 | c | 62.96 | f | 49.10 | j | 43.04 | d | 28.03 | b | 43.93 | d |
2000 | 16.64 | f | 30.30 | f | 43.45 | b | 49.52 | c | 65.15 | d | 67.96 | d | 76.79 | c | 76.04 | d | 64.43 | b | 56.32 | 35.89 | b | 8.93 | c | 54.45 | b | |
2001 | 24.85 | d | 15.23 | f | 34.76 | b | 48.90 | a | 66.72 | f | 75.25 | b | 79.43 | a | 79.38 | b | 68.00 | i | 51.27 | a | 45.44 | c | 28.59 | b | 51.99 | c |
2002 | 20.52 | d | ----- | z | 24.80 | a | 45.26 | c | 57.66 | b | 75.12 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 44.67 | g |
2003 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 74.69 | q | 79.10 | b | 80.00 | e | 68.55 | h | 53.00 | f | 29.87 | g | 25.86 | c | 61.65 | i |
2004 | 6.00 | d | 22.60 | i | 34.70 | h | ----- | z | 55.29 | j | 68.27 | h | 76.08 | f | 69.19 | e | 70.48 | g | 51.76 | j | 38.54 | f | 21.80 | f | 37.60 | j |
2005 | 7.81 | j | 23.87 | e | 30.45 | i | ----- | z | 58.68 | i | 74.55 | h | 79.58 | g | 74.33 | g | 69.48 | e | 51.26 | h | 35.85 | c | 21.21 | c | 37.60 | h |
2006 | 25.91 | h | 16.52 | e | 35.04 | h | 58.00 | e | 63.88 | g | ----- | z | 85.75 | w | ----- | z | ----- | z | ----- | z | ----- | z | 29.61 | m | 37.26 | j |
2007 | 19.64 | i | 11.70 | e | 38.16 | f | 48.00 | b | 65.74 | d | 74.65 | j | 78.70 | d | 75.25 | c | 64.44 | e | 54.48 | f | 34.36 | e | 18.43 | c | 49.58 | d |
2008 | 16.45 | k | 16.41 | b | 29.09 | i | 46.66 | a | 57.27 | e | 68.86 | b | ----- | z | 75.32 | l | 68.10 | j | 50.76 | j | 31.14 | h | 12.40 | f | 47.30 | h |
2009 | 7.30 | h | 23.43 | e | 31.97 | b | 49.26 | c | 62.04 | f | 73.76 | m | 69.95 | k | 71.33 | m | 72.09 | g | 44.30 | k | 43.08 | f | 16.91 | h | 34.89 | i |
2010 | 14.67 | g | 22.65 | e | 45.11 | d | 61.20 | e | 65.38 | e | 73.43 | p | 78.52 | d | 79.33 | g | 60.43 | i | 60.61 | m | 37.14 | h | 15.92 | g | 54.57 | g |
2011 | ----- | z | 19.40 | h | 32.54 | g | 45.27 | o | 62.79 | g | 71.44 | e | 80.39 | h | 80.67 | m | 68.11 | b | ----- | z | ----- | z | 26.88 | e | 55.48 | i |
2012 | 21.92 | e | ----- | z | 49.30 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 26.20 | k | 35.61 | j |
2013 | 16.26 | d | 16.58 | i | 29.40 | p | 38.40 | t | ----- | z | ----- | z | 75.61 | m | 75.32 | c | 68.72 | a | ----- | z | ----- | z | ----- | z | 53.43 | i |
2014 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 69.79 | a | 73.16 | 72.29 | 64.17 | 50.32 | 24.53 | 22.77 | 53.86 | e | ||||||
2015 | 14.61 | 7.86 | 35.04 | d | 51.00 | 61.19 | 71.00 | a | 76.55 | 71.81 | 69.77 | ----- | z | 40.92 | d | ----- | z | 49.97 | b | |||||||
2016 | 15.45 | 20.19 | c | ----- | z | ----- | z | 65.29 | x | 68.23 | 75.42 | 75.52 | 65.90 | ----- | z | ----- | z | ----- | z | 53.45 | f | |||||
2017 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 68.92 | e | 74.84 | 71.97 | 64.93 | a | ----- | z | ----- | z | ----- | z | 70.16 | h | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 17.01 | 20.86 | 37.80 | 51.17 | 64.05 | 71.47 | 76.11 | 75.12 | 66.49 | 52.44 | 36.17 | 21.90 | 0.0 | |||||||||||||
S.D. | 5.69 | 6.38 | 6.69 | 5.71 | 4.58 | 2.84 | 2.86 | 3.53 | 2.16 | 3.29 | 6.01 | 6.06 | 0.0 | |||||||||||||
SKEW | -0.27 | -0.60 | -0.12 | 0.44 | 0.00 | 0.39 | -0.77 | 0.05 | 0.40 | 0.04 | -0.28 | -0.87 | 0.00 | |||||||||||||
MAX | 24.85 | 29.85 | 49.30 | 61.20 | 71.14 | 76.33 | 79.43 | 80.90 | 69.77 | 57.27 | 45.44 | 28.59 | -9999 | |||||||||||||
MIN | 6.00 | 7.86 | 24.80 | 42.10 | 57.27 | 67.96 | 69.94 | 69.19 | 64.17 | 47.11 | 24.53 | 8.93 | 9999 | |||||||||||||
YRS | 12 | 13 | 11 | 14 | 11 | 14 | 14 | 15 | 11 | 8 | 10 | 10 | 0 |