YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1963 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 31.28 | c | 4.48 | e | 17.88 | j |
1964 | 11.47 | 12.17 | 15.25 | a | 40.97 | a | 55.65 | a | 60.91 | c | 68.48 | a | 61.25 | a | 52.60 | a | 44.98 | e | 27.13 | 3.13 | 37.83 | |||||
1965 | -1.33 | a | 3.96 | 10.82 | 39.18 | 52.39 | 60.72 | 63.03 | 62.53 | 46.07 | 46.19 | d | 21.57 | b | 17.53 | a | 35.22 | |||||||||
1966 | -9.78 | a | 2.80 | 26.55 | 34.87 | 47.15 | 62.90 | a | 68.40 | a | 62.68 | 55.26 | a | 43.98 | a | 20.22 | a | 7.84 | b | 35.24 | ||||||
1967 | 5.00 | a | 0.24 | a | 22.26 | 36.13 | 46.98 | 60.24 | a | 64.64 | b | 63.44 | 59.17 | 42.20 | a | 26.31 | a | 11.88 | a | 36.54 | ||||||
1968 | 3.43 | a | 2.88 | a | 27.82 | 40.82 | 50.15 | a | 60.00 | b | 64.63 | 61.55 | 56.65 | c | 44.21 | 28.02 | 8.31 | 37.37 | ||||||||
1969 | -1.34 | 12.20 | 16.68 | 43.10 | 53.10 | 54.25 | 64.60 | a | 68.75 | a | 56.38 | 38.37 | 28.17 | 15.55 | 37.48 | |||||||||||
1970 | -0.08 | a | 5.83 | b | 14.13 | 35.86 | a | 48.88 | a | 65.87 | 68.60 | a | 64.52 | 55.40 | 42.35 | d | 24.35 | 3.83 | b | 35.79 | ||||||
1971 | -5.76 | 9.98 | 21.16 | 40.65 | 50.43 | a | 64.75 | 62.16 | 65.08 | 55.22 | a | 45.57 | c | 24.63 | 7.89 | 36.81 | ||||||||||
1972 | -4.34 | 0.47 | 19.45 | a | 37.10 | a | 58.62 | a | 61.70 | 62.38 | a | 65.79 | 52.17 | 41.60 | 25.02 | a | 2.17 | a | 35.18 | |||||||
1973 | 9.38 | b | 12.20 | 34.61 | 39.64 | a | 52.42 | 63.73 | 65.09 | b | 68.48 | 54.62 | 49.55 | a | 23.50 | a | 9.02 | 40.19 | ||||||||
1974 | -1.02 | a | 7.48 | 18.85 | a | 39.67 | 48.00 | 62.25 | 70.08 | a | 61.60 | a | 49.91 | a | 44.68 | 28.91 | a | 18.45 | 37.41 | |||||||
1975 | ----- | z | ----- | z | ----- | z | ----- | z | 56.67 | g | 61.00 | 69.57 | a | 63.07 | h | 53.02 | 47.72 | a | 30.67 | 10.05 | 45.34 | f | ||||
1976 | 3.33 | a | 17.89 | b | 19.45 | 44.59 | c | 53.55 | 65.33 | a | 67.30 | a | 66.74 | 56.80 | 38.60 | a | 21.48 | a | 1.38 | c | 38.04 | |||||
1977 | -4.65 | d | ----- | z | 33.62 | g | 46.63 | 64.76 | 63.20 | 68.29 | 58.98 | 54.60 | ----- | z | ----- | z | ----- | z | 50.26 | e | ||||||
1978 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1979 | -7.27 | 0.28 | a | 19.79 | b | 31.93 | a | 45.79 | 59.62 | 67.19 | 61.19 | 56.33 | a | 39.87 | 22.64 | a | 17.28 | a | 34.55 | |||||||
1980 | 3.48 | a | 7.10 | 17.76 | b | 44.33 | c | 58.79 | 62.21 | a | 68.52 | a | 61.85 | 53.48 | 39.17 | a | 28.25 | 6.68 | 37.64 | |||||||
1981 | 7.06 | 14.57 | a | 27.68 | ----- | z | 51.08 | 59.92 | 67.74 | 65.94 | 53.67 | 41.94 | 34.10 | 8.38 | b | 39.28 | a | |||||||||
1982 | -10.93 | p | 7.73 | m | 20.48 | j | 38.04 | f | 54.00 | g | 54.09 | g | 67.50 | e | 62.04 | f | 54.22 | g | 44.36 | i | 21.67 | g | 10.94 | m | 67.50 | k |
1983 | 18.35 | u | ----- | z | ----- | z | 38.14 | e | 47.65 | g | 62.90 | i | 71.50 | e | 71.15 | d | 55.65 | j | 44.66 | b | 31.42 | l | -7.79 | q | 56.36 | h |
1984 | 3.42 | l | 21.59 | l | 21.65 | g | 45.08 | e | 49.13 | d | 62.04 | e | 65.52 | 68.69 | g | 51.76 | m | 45.24 | j | 23.76 | m | ----- | z | 55.44 | h | |
1985 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 42.68 | f | 11.74 | g | -4.64 | j | ----- | z |
1986 | 6.48 | c | 5.86 | f | 25.62 | f | 42.21 | a | 55.52 | c | 62.18 | 68.69 | 62.66 | 52.70 | c | 42.31 | b | 16.55 | i | 13.72 | a | 45.16 | c | |||
1987 | 8.52 | a | 21.79 | 23.87 | a | 48.53 | a | 55.66 | b | 64.31 | c | 68.27 | 62.52 | a | 55.73 | 37.62 | c | 30.02 | 16.71 | 41.13 | ||||||
1988 | -3.18 | 0.24 | 23.11 | c | 39.52 | a | 57.79 | ----- | z | ----- | z | 67.50 | 55.72 | a | 40.66 | ----- | z | ----- | z | 35.17 | d | |||||
1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 62.73 | j | 65.71 | 66.82 | 56.38 | 40.58 | 26.30 | 2.69 | 43.08 | f | ||||||
1991 | -2.53 | 14.36 | 24.60 | a | 44.18 | 56.43 | a | ----- | z | 66.24 | 67.42 | 52.97 | ----- | z | ----- | z | ----- | z | 40.46 | d | ||||||
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 |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.84 | 8.14 | 21.32 | 40.63 | 52.96 | 61.86 | 66.84 | 64.47 | 54.31 | 42.70 | 26.45 | 9.35 | 37.09 | |||||||||||||
S.D. | 5.95 | 6.60 | 5.72 | 4.15 | 4.78 | 2.57 | 2.44 | 3.10 | 2.73 | 3.18 | 3.71 | 5.61 | 1.83 | |||||||||||||
SKEW | 0.09 | 0.40 | 0.37 | -0.10 | 0.54 | -1.01 | -0.31 | 0.32 | -1.17 | 0.28 | 0.15 | 0.25 | 0.69 | |||||||||||||
MAX | 11.47 | 21.79 | 34.61 | 48.53 | 64.76 | 65.87 | 71.50 | 71.15 | 59.17 | 49.55 | 34.10 | 18.45 | 41.13 | |||||||||||||
MIN | -9.78 | 0.24 | 10.82 | 31.93 | 45.79 | 54.25 | 62.16 | 58.98 | 46.07 | 37.63 | 20.22 | 1.38 | 34.55 | |||||||||||||
YRS | 20 | 18 | 18 | 21 | 21 | 20 | 24 | 22 | 22 | 21 | 19 | 20 | 15 |