YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 45.71 | m | 50.35 | 47.16 | 43.60 | 38.78 | d | 26.43 | 26.29 | 38.77 | f | |||||
1960 | 19.13 | 26.48 | 28.16 | 34.30 | 38.19 | 44.90 | 51.39 | 47.00 | 42.93 | 38.13 | 30.60 | 23.00 | 35.35 | |||||||||||||
1961 | 26.65 | 32.25 | 31.13 | 34.40 | 38.03 | 46.00 | 48.84 | 51.71 | 38.70 | 33.61 | 25.00 | 26.32 | 36.05 | |||||||||||||
1962 | 22.87 | a | 26.25 | 27.52 | 35.10 | 37.68 | 41.70 | 46.84 | 48.61 | 42.27 | 36.65 | 33.03 | 29.19 | 35.64 | ||||||||||||
1963 | 18.29 | 30.32 | 29.10 | 33.40 | 39.29 | 45.60 | 45.23 | 48.81 | 48.00 | 38.32 | 33.13 | 23.81 | 36.11 | |||||||||||||
1964 | 27.94 | 27.00 | 28.61 | 31.50 | 35.97 | 43.57 | 47.84 | 45.81 | 41.00 | 35.03 | 28.97 | 22.77 | a | 34.67 | ||||||||||||
1965 | 25.94 | 29.57 | 26.32 | 34.40 | 36.77 | 43.53 | 48.74 | 49.74 | 40.63 | 38.94 | 34.60 | 24.77 | 36.16 | |||||||||||||
1966 | 26.03 | 26.61 | 27.87 | 33.60 | 37.29 | 42.70 | 48.03 | 48.23 | 45.07 | 36.39 | 31.97 | 29.55 | 36.11 | |||||||||||||
1967 | 30.65 | 30.04 | 28.48 | 29.83 | 37.87 | 47.33 | 50.48 | 52.23 | 47.14 | a | 38.55 | 29.97 | 25.94 | 37.38 | ||||||||||||
1968 | 23.84 | 28.90 | 31.94 | 31.87 | 39.16 | 44.90 | 50.06 | 49.77 | 44.50 | 34.42 | 30.90 | a | 21.71 | 36.00 | ||||||||||||
1969 | 14.35 | 23.54 | 27.77 | 32.73 | 41.68 | 50.27 | 46.65 | 46.74 | 45.37 | 33.74 | 30.40 | 26.68 | 34.99 | |||||||||||||
1970 | 24.23 | 29.75 | 29.13 | 30.60 | 37.35 | 47.63 | 50.61 | 48.81 | 39.83 | 33.03 | 29.87 | 23.71 | 35.38 | |||||||||||||
1971 | 25.48 | 28.04 | 25.61 | 31.77 | 40.55 | 42.10 | 50.58 | 51.42 | 40.20 | 35.29 | 29.80 | 26.35 | 35.60 | |||||||||||||
1972 | 22.52 | 26.72 | 32.23 | 29.80 | 40.16 | 45.23 | 49.32 | 49.90 | 40.90 | 33.71 | 33.13 | 19.70 | a | 35.28 | ||||||||||||
1973 | 20.16 | 27.36 | 29.81 | 32.23 | 38.84 | 44.55 | a | 49.48 | 46.13 | 43.43 | 37.58 | 29.27 | 31.10 | 35.83 | ||||||||||||
1974 | 17.35 | 29.33 | a | 29.35 | 34.53 | 36.71 | 44.90 | 46.97 | 49.71 | 43.13 | 33.65 | 32.72 | a | 29.00 | 35.61 | |||||||||||
1975 | 25.97 | 24.18 | 28.00 | a | 29.70 | 36.74 | 43.87 | 53.32 | 47.48 | 41.72 | a | 37.94 | 29.17 | 28.97 | 35.59 | |||||||||||
1976 | 27.13 | 26.00 | 25.52 | 33.17 | 37.81 | 41.47 | 48.13 | 48.19 | 45.60 | 33.74 | 31.07 | 25.90 | 35.31 | |||||||||||||
1977 | 19.48 | 28.96 | 29.97 | 33.70 | 35.68 | 45.21 | a | 45.32 | 54.29 | 42.63 | 35.20 | a | 28.17 | 27.74 | 35.53 | |||||||||||
1978 | 25.97 | 29.21 | 32.19 | 33.77 | 37.39 | 45.17 | 48.87 | 50.35 | 44.33 | 34.23 | 23.63 | 21.10 | a | 35.52 | ||||||||||||
1979 | 9.77 | 26.93 | 31.13 | 34.27 | 39.71 | 44.48 | a | 49.07 | a | 48.33 | a | 45.43 | 39.84 | 28.47 | 29.35 | 35.57 | ||||||||||
1980 | 15.00 | 27.03 | 30.32 | 34.17 | f | 40.06 | 43.00 | 48.84 | 47.35 | 45.33 | 35.26 | 33.00 | a | 30.07 | a | 35.93 | a | |||||||||
1981 | 29.97 | 27.25 | 31.74 | 34.83 | 40.32 | 44.87 | 48.16 | 51.77 | 44.59 | a | 35.26 | 31.33 | 26.52 | 37.22 | ||||||||||||
1982 | 23.79 | b | 23.44 | a | 29.87 | 30.23 | 37.90 | b | 47.53 | 50.10 | a | 48.97 | 44.77 | 35.83 | a | 26.17 | a | 25.32 | 35.33 | |||||||
1983 | 29.71 | 31.54 | 34.71 | 32.80 | 40.87 | 44.41 | a | 48.86 | b | 50.67 | a | 39.96 | b | 35.68 | 33.07 | 15.67 | a | 36.50 | ||||||||
1984 | 24.86 | b | 27.86 | a | 32.42 | 32.48 | a | 36.32 | 42.83 | 47.84 | 49.26 | 41.30 | 33.84 | 30.17 | 20.52 | 34.97 | ||||||||||
1985 | 18.67 | a | 21.12 | b | 27.52 | 34.40 | 39.87 | 44.77 | 52.87 | 47.71 | 38.70 | 36.47 | a | 19.07 | a | 13.61 | 32.90 | |||||||||
1986 | 26.45 | b | 25.88 | b | 34.32 | 32.47 | 40.48 | b | 48.27 | 46.65 | 50.61 | 40.87 | 36.13 | 31.00 | a | 23.52 | 36.39 | |||||||||
1987 | 21.60 | a | 29.04 | a | 31.48 | 36.50 | 41.84 | 45.97 | 48.77 | 46.81 | 43.43 | 34.48 | 32.27 | 22.29 | 36.21 | |||||||||||
1988 | 22.26 | 25.81 | b | 29.94 | 34.90 | a | 38.23 | 43.80 | 49.42 | 47.03 | 42.90 | a | 40.39 | c | 33.54 | b | 26.33 | a | 36.21 | |||||||
1989 | 28.29 | c | 16.23 | b | 29.73 | a | 36.90 | 38.61 | 47.04 | b | 48.55 | ----- | z | 42.20 | 36.60 | a | 33.04 | d | 26.50 | a | 34.88 | a | ||||
1990 | 30.03 | 24.81 | a | 31.29 | 37.03 | 39.03 | 45.87 | 51.45 | 52.26 | 46.85 | c | 33.79 | c | 32.29 | b | 15.00 | a | 36.64 | ||||||||
1991 | 23.20 | a | 31.75 | 28.74 | 33.72 | a | 39.03 | 43.33 | 50.23 | a | 52.55 | b | 43.79 | b | 33.57 | a | 31.07 | a | 29.14 | b | 36.68 | |||||
1992 | 29.70 | a | 32.86 | 32.63 | a | 37.60 | 41.06 | 50.17 | 50.38 | b | 50.68 | 43.66 | a | ----- | z | 30.41 | a | 23.00 | 38.38 | a | ||||||
1993 | 15.96 | c | 19.93 | 30.40 | a | 35.67 | 43.67 | a | 44.27 | 45.93 | a | 47.74 | 42.55 | a | 37.27 | a | 20.21 | a | 26.37 | a | 34.16 | |||||
1994 | 31.00 | a | 24.29 | 31.23 | 36.33 | 41.35 | ----- | z | 52.42 | 49.00 | 46.30 | 33.60 | a | 26.07 | ----- | z | 37.16 | b | ||||||||
1995 | 25.43 | a | 30.19 | b | 29.58 | 33.23 | 40.71 | ----- | z | 50.29 | 46.84 | 46.20 | 35.74 | 34.19 | c | 26.41 | b | 36.26 | a | |||||||
1996 | 26.53 | a | 18.07 | 29.13 | 35.27 | 36.45 | 42.10 | 51.68 | 48.46 | c | 39.46 | d | 34.00 | d | 27.46 | f | 20.96 | g | 36.12 | b | ||||||
1997 | 22.83 | a | 25.07 | 28.90 | 32.40 | 40.26 | 43.70 | 47.90 | 50.65 | 43.87 | 34.77 | 30.13 | 24.45 | 35.41 | ||||||||||||
1998 | 25.90 | b | 29.26 | a | 30.00 | 32.03 | 40.74 | 45.70 | 54.79 | c | ----- | z | 46.60 | y | 34.86 | b | 34.30 | c | 25.61 | m | 36.40 | c | ||||
1999 | 29.44 | f | 27.71 | 29.33 | a | 30.93 | a | 36.29 | c | 42.97 | a | 47.63 | a | 52.28 | b | 43.21 | a | 36.38 | g | 33.21 | a | 28.75 | c | 37.23 | b | |
2000 | 25.93 | b | 28.41 | b | 30.39 | 36.43 | b | 40.57 | c | 47.37 | 50.19 | 50.15 | d | 45.73 | 36.68 | 25.80 | ----- | z | 37.97 | a | ||||||
2001 | 25.42 | 25.19 | a | 31.58 | 32.56 | c | 39.04 | f | 43.92 | d | 50.47 | a | 52.11 | c | 46.58 | d | 37.83 | a | 32.45 | a | 26.87 | a | 36.81 | a | ||
2002 | 27.19 | 26.21 | d | 27.69 | b | 34.31 | a | 39.48 | d | 47.71 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 30.33 | y | 33.77 | f | |
2003 | 30.79 | c | 27.56 | c | 32.93 | b | 34.68 | b | 39.50 | c | 45.70 | c | 52.57 | h | 50.22 | h | 47.62 | d | 40.31 | b | 27.32 | b | 26.03 | a | 35.24 | b |
2004 | 23.07 | a | 27.85 | b | 31.92 | e | 34.89 | b | 41.32 | c | 45.14 | i | 52.88 | g | 56.19 | e | 45.66 | a | 40.00 | e | 27.45 | s | 29.62 | w | 37.61 | d |
2005 | 28.36 | i | 25.86 | ----- | z | 38.53 | m | 44.78 | h | 44.97 | 52.60 | a | 52.06 | 44.40 | 40.52 | 29.86 | b | 23.34 | b | 39.20 | d | |||||
2006 | 32.00 | e | 23.05 | h | 29.10 | a | 32.79 | b | 39.77 | 42.13 | 40.44 | o | 39.42 | 44.39 | b | 33.22 | h | ----- | z | ----- | z | 37.09 | e | |||
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 | 31.18 | b | 22.56 | d | 26.87 | j |
2010 | 29.73 | a | 30.73 | b | 29.63 | a | 32.41 | h | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 30.03 | i |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 24.33 | 26.99 | 29.92 | 33.56 | 39.04 | 44.94 | 49.37 | 49.34 | 43.49 | 36.13 | 30.03 | 24.89 | 35.70 | |||||||||||||
S.D. | 4.93 | 3.41 | 2.04 | 2.00 | 1.84 | 2.08 | 2.11 | 2.74 | 2.41 | 2.20 | 3.47 | 3.95 | 0.85 | |||||||||||||
SKEW | -0.80 | -1.03 | 0.07 | -0.08 | 0.08 | 0.61 | 0.24 | -0.61 | -0.21 | 0.53 | -1.31 | -1.03 | -0.85 | |||||||||||||
MAX | 32.00 | 32.86 | 34.71 | 37.60 | 43.67 | 50.27 | 54.79 | 56.19 | 48.00 | 40.52 | 34.60 | 31.10 | 37.38 | |||||||||||||
MIN | 9.77 | 16.23 | 25.52 | 29.70 | 35.68 | 41.47 | 45.23 | 39.42 | 38.70 | 33.03 | 19.07 | 13.61 | 32.90 | |||||||||||||
YRS | 46 | 47 | 47 | 45 | 45 | 44 | 44 | 44 | 46 | 44 | 45 | 42 | 32 |