YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1940 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | 61.61 | 44.60 | 29.26 | 45.16 | i | |||
1963 | 13.74 | 25.21 | 44.74 | 58.57 | 72.78 | v | 80.39 | b | 85.03 | a | 81.87 | 74.73 | 71.19 | 45.50 | 17.23 | 54.38 | a | |||||||||
1964 | 27.42 | 32.25 | a | 32.73 | a | 56.72 | a | 74.77 | 80.55 | a | 86.97 | a | 79.58 | 70.82 | b | 60.59 | b | 41.52 | a | 17.48 | b | 55.12 | ||||
1965 | 13.11 | c | 19.89 | a | 25.83 | a | 51.50 | b | 68.87 | a | 77.04 | b | 80.52 | b | 79.97 | a | 58.97 | 61.32 | 40.07 | b | 30.63 | a | 50.64 | |||
1966 | 8.69 | b | 21.54 | 41.65 | 47.30 | 66.70 | a | 79.45 | a | 88.26 | 78.93 | a | 73.13 | 60.16 | 34.90 | 23.87 | 52.05 | |||||||||
1967 | 22.71 | 19.32 | 38.97 | 54.07 | 64.03 | a | 76.33 | 82.19 | 81.35 | 74.27 | 57.16 | 39.70 | 27.42 | 53.13 | ||||||||||||
1968 | 20.84 | 23.21 | 51.26 | 59.07 | 64.90 | 78.73 | 83.61 | 83.00 | 72.10 | 59.42 | 39.77 | 20.10 | 54.67 | |||||||||||||
1969 | 10.94 | 22.79 | 29.16 | 57.07 | 70.42 | 71.77 | 81.68 | 85.81 | 74.50 | 52.77 | 39.97 | 25.00 | 51.82 | |||||||||||||
1970 | 11.35 | 25.21 | 31.61 | 52.50 | 69.48 | 81.23 | 88.55 | 85.10 | 75.30 | 57.94 | 34.93 | 22.97 | 53.02 | |||||||||||||
1971 | 12.65 | 23.14 | 35.65 | 59.53 | 69.52 | 80.60 | 78.97 | 83.13 | 72.40 | 59.33 | a | 37.43 | 22.94 | 52.94 | ||||||||||||
1972 | 13.29 | 17.10 | 35.00 | 51.93 | 70.68 | 79.63 | 80.87 | 81.68 | 70.48 | a | 56.23 | 35.77 | 15.74 | 50.70 | ||||||||||||
1973 | 22.84 | 29.00 | 47.06 | 56.57 | 70.06 | 80.93 | a | 83.90 | 83.55 | 69.97 | 64.29 | 39.57 | 20.77 | 55.71 | ||||||||||||
1974 | 17.83 | a | 25.50 | 34.61 | 56.57 | 64.42 | 79.47 | 87.90 | 78.52 | 71.53 | 63.55 | 40.87 | 30.84 | 54.30 | ||||||||||||
1975 | 22.23 | 21.36 | 29.52 | 43.40 | 72.94 | 77.40 | 86.87 | 82.42 | 68.83 | 62.19 | 42.43 | 24.68 | 52.86 | |||||||||||||
1976 | 20.03 | 34.14 | 39.68 | 65.17 | 72.61 | 83.27 | 87.81 | 87.97 | 77.40 | 55.68 | 36.37 | 21.94 | 56.84 | |||||||||||||
1977 | 6.16 | 28.50 | 43.52 | 65.03 | 79.29 | 79.50 | 85.77 | 75.97 | 69.20 | 59.23 | 35.37 | 17.29 | 53.74 | |||||||||||||
1978 | 9.90 | 16.36 | 35.74 | 53.90 | 72.48 | 78.33 | 81.84 | 83.61 | 76.23 | 61.10 | ----- | z | 20.71 | 53.66 | a | |||||||||||
1979 | 7.87 | 13.68 | 31.58 | 47.33 | 63.06 | 77.30 | 81.81 | 78.06 | 76.00 | 55.77 | 37.67 | 33.55 | 50.31 | |||||||||||||
1980 | ----- | z | 21.93 | ----- | z | 64.00 | ----- | z | 78.70 | 85.84 | 79.74 | 71.17 | 54.26 | 45.80 | 27.48 | 58.77 | c | |||||||||
1981 | 26.94 | 31.46 | 49.42 | 61.30 | 69.45 | 74.60 | 81.90 | 79.58 | 71.50 | 54.68 | 47.33 | 20.77 | 55.74 | |||||||||||||
1982 | 7.13 | 21.79 | 33.13 | 53.53 | 71.86 | c | 73.97 | 83.60 | a | 81.72 | b | 68.93 | 55.87 | a | 35.20 | 31.93 | d | 51.55 | ||||||||
1983 | 26.52 | h | 30.32 | i | 36.77 | i | 52.29 | i | 66.71 | j | 75.71 | i | 86.85 | k | 84.96 | h | 69.00 | i | 54.78 | m | 43.21 | p | 8.82 | n | ----- | z |
1984 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 82.16 | 84.26 | 64.67 | 56.23 | 39.13 | 21.30 | a | 57.96 | f | |||||
1985 | 15.33 | a | 19.67 | a | 42.35 | 59.82 | b | 72.68 | 72.20 | 80.97 | 74.39 | 64.87 | 59.84 | 26.83 | 14.89 | d | 50.32 | |||||||||
1986 | 23.07 | c | 18.80 | c | 37.83 | b | 54.41 | a | 67.93 | a | 79.41 | a | 81.68 | 75.97 | 65.17 | 56.94 | 32.63 | 33.40 | a | 52.27 | ||||||
1987 | 27.57 | a | 37.43 | 41.26 | 66.17 | 73.48 | 80.93 | 81.55 | 78.48 | 71.70 | 54.16 | 44.27 | 27.23 | 57.02 | ||||||||||||
1988 | 17.03 | 18.76 | 39.84 | 57.47 | 76.74 | 87.13 | 86.52 | 84.03 | 68.50 | b | 52.97 | 37.68 | b | 24.00 | b | 54.22 | ||||||||||
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 | 53.30 | g | 29.34 | b | 29.34 | k |
2002 | 25.50 | e | 35.70 | e | 29.42 | g | 51.00 | d | 56.08 | r | 80.65 | j | 83.95 | i | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 37.40 | i |
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 |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 16.84 | 24.15 | 37.92 | 56.16 | 70.29 | 78.70 | 83.87 | 81.15 | 70.89 | 58.63 | 39.01 | 24.18 | 53.28 | |||||||||||||
S.D. | 6.90 | 6.27 | 6.66 | 5.80 | 4.12 | 3.38 | 2.84 | 3.29 | 4.25 | 4.10 | 4.63 | 5.44 | 2.07 | |||||||||||||
SKEW | 0.10 | 0.58 | 0.23 | -0.15 | 0.09 | -0.06 | 0.24 | -0.12 | -0.87 | 0.99 | -0.35 | 0.10 | 0.22 | |||||||||||||
MAX | 27.57 | 37.43 | 51.26 | 66.17 | 79.29 | 87.13 | 88.55 | 87.97 | 77.40 | 71.19 | 47.33 | 33.55 | 57.02 | |||||||||||||
MIN | 6.16 | 13.68 | 25.83 | 43.40 | 63.06 | 71.77 | 78.97 | 74.39 | 58.97 | 52.77 | 26.83 | 14.89 | 50.31 | |||||||||||||
YRS | 24 | 25 | 23 | 25 | 22 | 24 | 25 | 25 | 25 | 26 | 25 | 27 | 21 |