YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 63.00 | s | 51.97 | 41.27 | 34.58 | 42.61 | i | |||
1952 | 33.03 | 34.07 | 38.06 | 49.73 | 58.45 | 62.43 | 72.62 | j | 75.65 | 66.33 | 56.43 | q | 35.62 | i | 33.81 | 50.17 | c | |||||||||
1953 | 35.39 | 34.00 | m | 44.21 | l | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 36.85 | q | 33.15 | d | 34.27 | j | |
1954 | 36.74 | h | 44.86 | u | ----- | 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 | 32.38 | h | 39.74 | 48.43 | 56.61 | 65.56 | c | 79.57 | j | 72.13 | 69.73 | 51.00 | a | 38.20 | 32.65 | 52.67 | c | |||||||
1957 | ----- | z | 48.15 | o | 46.10 | 50.47 | 55.68 | 71.67 | 78.43 | c | 73.52 | 63.13 | 55.30 | h | 39.87 | 34.61 | 57.05 | c | ||||||||
1958 | 34.39 | 41.86 | 43.16 | 48.97 | 61.97 | 65.59 | a | 74.72 | b | 75.26 | 68.37 | 60.12 | e | 40.86 | a | 31.65 | 53.91 | |||||||||
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 76.18 | n | 66.17 | 53.07 | d | 42.52 | c | 38.61 | 50.09 | h | ||
1960 | 32.42 | ----- | z | 42.32 | ----- | z | ----- | z | 69.84 | e | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 48.19 | i | ||
1961 | ----- | z | 37.29 | 39.38 | b | 48.20 | 55.47 | p | 73.33 | i | 75.48 | 74.65 | 62.60 | 51.57 | a | 40.83 | 36.90 | 51.88 | c | |||||||
1962 | 35.32 | 39.64 | 36.87 | 50.77 | 53.39 | 61.77 | 72.58 | 74.35 | 69.00 | 52.26 | 43.57 | 38.35 | 52.32 | |||||||||||||
1963 | 31.42 | 42.36 | 40.19 | 45.80 | 59.00 | 62.20 | 75.29 | 75.00 | h | ----- | z | ----- | z | ----- | z | ----- | z | 50.89 | e | |||||||
1964 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1965 | ----- | z | 37.64 | 42.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 46.00 | h | 40.19 | 39.95 | i | |||
1966 | 33.61 | 35.25 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 34.43 | j | ||
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 | 42.83 | b | 47.43 | 53.57 | c | 63.24 | a | 77.54 | c | 73.70 | d | ----- | z | 53.12 | g | ----- | z | 40.23 | a | 56.94 | e | |
1981 | 43.82 | t | ----- | z | ----- | z | 47.38 | a | 61.26 | 73.70 | 79.58 | 78.10 | 68.73 | d | 51.32 | 44.17 | 39.35 | 60.40 | c | |||||||
1982 | 35.48 | b | 42.64 | c | 43.70 | a | 50.72 | a | 58.28 | b | 64.69 | a | 75.48 | b | 77.10 | a | 66.43 | 49.48 | 45.30 | 37.32 | 53.89 | |||||
1983 | 36.68 | 40.81 | b | 42.68 | 44.20 | 57.68 | 64.69 | a | 75.37 | a | 74.10 | b | ----- | z | 57.41 | d | 44.18 | b | 38.59 | b | 52.40 | a | ||||
1984 | 36.97 | 35.79 | a | 42.87 | a | 48.87 | 64.03 | b | ----- | z | ----- | z | 74.71 | c | 69.07 | b | 50.53 | a | 41.93 | 39.71 | g | 51.64 | c | |||
1985 | 35.88 | e | 37.22 | a | 39.90 | 52.14 | a | 58.24 | b | 67.14 | b | 75.14 | b | 71.57 | a | 56.63 | c | 55.79 | b | 43.61 | b | 35.41 | d | 52.39 | ||
1986 | 40.37 | a | 42.33 | a | 49.40 | a | 51.80 | 60.40 | a | 71.77 | 76.50 | a | 79.45 | 62.83 | 53.24 | b | 45.27 | 38.06 | 55.95 | |||||||
1987 | 34.74 | 41.32 | 42.90 | ----- | z | 61.54 | c | 70.86 | b | 73.10 | 76.53 | a | 66.59 | a | 60.89 | c | 44.07 | 35.60 | a | 55.29 | a | |||||
1988 | 37.26 | 40.24 | 43.83 | b | 51.42 | d | 61.71 | c | 70.93 | c | 80.07 | c | 75.93 | a | 65.03 | 62.55 | 44.07 | a | 35.53 | a | 55.71 | |||||
1989 | 37.07 | a | 41.81 | a | 49.21 | b | 56.03 | a | 61.11 | c | 69.47 | 79.55 | 75.26 | 68.00 | 55.87 | a | 44.23 | 35.39 | 56.08 | |||||||
1990 | 36.84 | 38.61 | 48.45 | 56.66 | a | 60.17 | a | 72.53 | 78.58 | 74.70 | a | 73.90 | j | ----- | z | 44.53 | m | 33.68 | 55.58 | c | ||||||
1991 | 38.84 | 45.32 | 43.17 | a | 48.97 | 57.94 | 64.73 | 77.39 | 76.27 | a | 68.90 | 57.57 | a | 44.43 | 41.61 | c | 55.43 | |||||||||
1992 | 39.65 | 46.69 | 47.68 | 53.59 | a | 63.55 | 67.19 | c | 75.97 | 76.68 | 69.40 | 57.24 | b | 40.96 | b | 37.17 | b | 56.31 | ||||||||
1993 | 44.24 | b | 44.19 | b | 43.57 | c | 48.19 | d | 60.71 | c | 63.58 | f | 71.43 | a | ----- | z | ----- | z | 53.64 | t | ----- | z | ----- | z | 52.06 | f |
1994 | 33.05 | k | ----- | 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 | 58.64 | q | 56.77 | 62.57 | a | 69.77 | 72.36 | t | ----- | z | ----- | z | 55.00 | w | 47.43 | g | 41.53 | n | 63.03 | i | ||
2005 | 44.35 | e | 46.23 | o | 45.62 | j | 50.06 | m | 61.57 | c | 68.47 | 77.48 | 76.16 | 67.20 | j | 60.03 | 52.23 | q | ----- | z | 64.68 | f | ||||
2006 | 32.23 | r | 37.04 | 43.13 | 51.15 | d | 60.77 | 73.87 | 82.16 | 77.06 | 66.60 | 55.13 | 44.63 | 33.97 | 56.87 | a | ||||||||||
2007 | 33.97 | 41.32 | 48.54 | c | 53.29 | b | 61.26 | 68.93 | 78.94 | 79.23 | e | 70.57 | 56.35 | 47.80 | 35.77 | 56.33 | ||||||||||
2008 | 37.65 | 38.85 | b | 43.87 | 51.47 | 57.81 | 70.03 | 78.80 | a | 79.13 | 71.97 | 54.81 | 46.50 | 38.87 | 55.81 | |||||||||||
2009 | 38.32 | 39.89 | 45.39 | 51.57 | 66.10 | 69.63 | 81.45 | 76.52 | 72.50 | 53.77 | 44.57 | 35.52 | 56.27 | |||||||||||||
2010 | 40.29 | 43.36 | 44.45 | 48.63 | 55.81 | 67.81 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 50.06 | f | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 36.84 | 40.23 | 43.46 | 50.49 | 59.67 | 68.02 | 77.00 | 75.74 | 67.08 | 55.09 | 43.31 | 36.41 | 55.03 | |||||||||||||
S.D. | 3.30 | 3.22 | 3.28 | 3.10 | 3.06 | 3.58 | 2.76 | 2.06 | 3.63 | 3.65 | 2.27 | 2.59 | 1.51 | |||||||||||||
SKEW | 0.69 | -0.02 | 0.12 | 0.35 | -0.24 | -0.19 | -0.10 | 0.01 | -1.07 | 0.39 | -0.34 | 0.15 | -0.90 | |||||||||||||
MAX | 44.35 | 46.69 | 49.40 | 56.77 | 66.10 | 73.87 | 82.16 | 79.45 | 72.50 | 62.55 | 47.80 | 41.61 | 56.33 | |||||||||||||
MIN | 31.42 | 34.07 | 36.87 | 44.20 | 53.39 | 61.77 | 71.43 | 71.57 | 56.63 | 49.48 | 38.20 | 31.65 | 52.32 | |||||||||||||
YRS | 24 | 24 | 27 | 26 | 27 | 26 | 23 | 24 | 21 | 22 | 22 | 26 | 12 |