YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1950 | ----- | z | 38.50 | x | 38.84 | 45.20 | 46.90 | 56.90 | 63.97 | 61.48 | 54.24 | a | 52.03 | 37.60 | 32.60 | a | 48.98 | b | ||||||||
1951 | 30.13 | 32.93 | 36.00 | 41.87 | 48.81 | 54.67 | 67.84 | 64.42 | 57.57 | 50.32 | 36.57 | 32.32 | 46.12 | |||||||||||||
1952 | 32.13 | 31.90 | 32.35 | 41.50 | 54.64 | f | 56.47 | 63.81 | 64.19 | 61.67 | 51.19 | 34.57 | 29.29 | 45.37 | a | |||||||||||
1953 | 31.74 | 29.71 | 36.55 | 39.27 | 43.16 | 58.37 | 66.94 | 62.23 | 57.00 | 47.68 | 38.40 | ----- | z | 46.46 | a | |||||||||||
1954 | 32.06 | 35.86 | 36.71 | 44.83 | 49.55 | 56.10 | 66.39 | 61.03 | 58.73 | 49.39 | 38.37 | 31.55 | 46.71 | |||||||||||||
1955 | 27.65 | 25.89 | 34.81 | 38.07 | 45.87 | 57.60 | 61.68 | 62.45 | 56.43 | 48.35 | 34.53 | 31.10 | 43.70 | |||||||||||||
1956 | 33.00 | 26.31 | 34.32 | 41.13 | 50.16 | 62.63 | 64.45 | 59.58 | 60.50 | 46.42 | 32.47 | 30.00 | 45.08 | |||||||||||||
1957 | 34.68 | 39.64 | 38.03 | 40.03 | 45.13 | 61.70 | 66.16 | 63.48 | 56.73 | 47.03 | ----- | z | ----- | z | 49.26 | b | ||||||||||
1958 | 28.58 | 38.68 | c | 36.77 | a | 44.93 | a | 59.77 | 65.57 | 68.84 | 69.00 | t | 61.62 | a | 55.63 | a | 43.43 | 42.65 | 49.68 | a | ||||||
1959 | 40.23 | 37.04 | e | 42.30 | a | 52.31 | a | 53.97 | 68.57 | b | 67.26 | 64.84 | 62.54 | b | 53.61 | 44.07 | b | 38.97 | 52.14 | |||||||
1960 | 32.23 | 33.52 | b | 45.97 | 49.83 | 55.07 | a | 68.83 | 69.23 | 67.90 | b | 65.21 | b | 52.07 | a | 45.47 | 35.81 | 51.76 | ||||||||
1961 | 39.60 | a | 39.32 | 42.00 | 48.48 | a | 54.81 | 67.18 | b | 68.53 | a | 65.93 | a | 60.10 | 53.00 | 40.57 | 37.29 | 51.40 | ||||||||
1962 | 35.52 | 38.74 | a | 37.25 | c | 52.64 | b | 52.43 | a | 62.33 | f | 66.96 | g | 70.10 | 64.20 | 54.28 | b | 47.59 | a | 39.29 | c | 49.20 | b | |||
1963 | 34.19 | 43.46 | 40.63 | a | 46.92 | f | 58.00 | b | 60.86 | a | 69.60 | a | 64.40 | a | 64.22 | c | 57.07 | a | 43.92 | d | 37.33 | a | 52.15 | a | ||
1964 | 31.62 | b | 33.15 | b | 37.41 | d | 44.73 | 53.11 | c | 60.54 | d | 67.67 | a | 64.90 | a | 59.52 | a | 56.68 | 38.89 | b | 38.10 | 48.86 | ||||
1965 | 36.46 | r | 35.58 | b | 38.65 | 47.10 | 51.45 | 57.89 | c | 68.07 | b | 68.55 | 59.83 | 56.71 | 46.65 | m | 36.48 | 52.03 | b | |||||||
1966 | 32.52 | 30.89 | 42.94 | 49.07 | 56.13 | 64.07 | 70.59 | b | 64.77 | r | 61.67 | 53.94 | 45.30 | 36.29 | 49.40 | a | ||||||||||
1967 | 35.13 | 39.71 | 43.23 | 42.17 | ----- | z | 59.93 | 67.74 | 65.68 | 62.20 | 54.68 | 47.37 | 31.84 | 49.97 | a | |||||||||||
1968 | 34.55 | 41.66 | 41.81 | 45.07 | 54.81 | 66.47 | 67.35 | 62.42 | 59.90 | 53.19 | 41.73 | 34.19 | 50.26 | |||||||||||||
1969 | 39.16 | 34.96 | 37.35 | 47.43 | 61.31 | e | 63.57 | 68.00 | 68.45 | 63.77 | 49.68 | 41.57 | 38.61 | 51.16 | ||||||||||||
1970 | 35.16 | 40.79 | 39.37 | a | 41.73 | 57.87 | 65.27 | 68.39 | 67.90 | 62.67 | 48.00 | 44.73 | 37.10 | 50.75 | ||||||||||||
1971 | 36.10 | 37.50 | 42.87 | a | 41.13 | 52.06 | 66.33 | 71.04 | e | 63.47 | a | 61.83 | 48.16 | 41.63 | 33.32 | 49.62 | ||||||||||
1972 | 37.57 | a | 42.97 | 51.43 | a | 49.77 | 56.06 | 62.68 | b | 68.81 | 66.26 | 61.97 | 51.29 | 38.79 | a | 34.77 | 51.86 | |||||||||
1973 | 32.87 | 37.71 | 35.23 | 43.43 | 56.32 | 59.80 | 67.16 | 69.77 | 64.03 | 53.84 | 42.07 | 38.87 | 50.09 | |||||||||||||
1974 | 37.32 | 35.61 | 43.90 | 49.23 | 57.35 | 72.57 | 65.97 | 64.10 | 60.80 | 51.00 | 40.20 | 31.68 | 50.81 | |||||||||||||
1975 | 33.39 | 33.71 | 34.80 | a | 37.17 | 49.00 | 62.55 | a | 62.73 | a | 66.94 | 61.80 | 49.52 | 41.60 | 33.90 | 47.26 | ||||||||||
1976 | 33.35 | 36.48 | 37.32 | 41.37 | 51.73 | a | 60.83 | 62.29 | 64.29 | 59.47 | 49.65 | 40.70 | 36.42 | 47.83 | ||||||||||||
1977 | 35.42 | 39.86 | 36.48 | 48.13 | 51.76 | j | 64.90 | 67.58 | 68.13 | 63.53 | 56.23 | 45.07 | 43.52 | 51.71 | a | |||||||||||
1978 | 38.23 | 38.00 | 42.74 | 42.70 | 50.65 | 64.17 | 64.29 | 60.06 | 53.30 | 49.45 | 39.77 | 30.74 | 47.84 | |||||||||||||
1979 | 31.53 | a | 33.00 | 35.43 | a | 42.20 | 47.67 | a | 57.87 | 60.84 | 59.29 | 61.93 | 50.97 | 36.50 | 36.00 | 46.10 | ||||||||||
1980 | 35.16 | 38.10 | 36.26 | 42.80 | 45.42 | 60.37 | 65.65 | 60.81 | 56.17 | 46.19 | 39.50 | 38.84 | 47.10 | |||||||||||||
1981 | 36.32 | 36.46 | 37.81 | 47.63 | 51.23 | 67.03 | 66.48 | 66.52 | 60.57 | 46.97 | 42.13 | 36.42 | 49.63 | |||||||||||||
1982 | 33.16 | 37.25 | 37.16 | 45.47 | 50.16 | 56.83 | 65.06 | 65.26 | 59.87 | 46.90 | 40.83 | a | 33.00 | 47.58 | ||||||||||||
1983 | 34.65 | 34.43 | 37.58 | 39.23 | 51.10 | 57.70 | 64.68 | 63.52 | 62.53 | 50.29 | 38.93 | 36.48 | 47.59 | |||||||||||||
1984 | 33.32 | 33.41 | 39.13 | 42.45 | a | 58.35 | 61.13 | 59.81 | 63.19 | 61.03 | 46.77 | 37.70 | 33.97 | 47.52 | ||||||||||||
1985 | 33.23 | 31.86 | 38.84 | 46.13 | 52.48 | 63.73 | 67.90 | 65.58 | 55.33 | 49.42 | 37.90 | 34.81 | 48.10 | |||||||||||||
1986 | 40.52 | 38.00 | 43.42 | 49.60 | 56.00 | 66.20 | 65.90 | 67.32 | 57.70 | 48.45 | 41.73 | 35.26 | 50.84 | |||||||||||||
1987 | 32.65 | 36.14 | 37.40 | a | 50.47 | 52.61 | 66.10 | 65.81 | 65.23 | 60.30 | 55.94 | 40.63 | 32.42 | 49.64 | ||||||||||||
1988 | 34.13 | 38.86 | 41.13 | 46.50 | 56.00 | 64.47 | 68.71 | 66.26 | 59.63 | 57.45 | 40.67 | 34.77 | 50.72 | |||||||||||||
1989 | 33.32 | 39.46 | 46.03 | 52.93 | 58.48 | 66.90 | 69.97 | 66.55 | 63.33 | 51.45 | 41.93 | 34.23 | 52.05 | |||||||||||||
1990 | 34.13 | 31.39 | 41.48 | 49.03 | 53.06 | 68.47 | 67.39 | 64.03 | 62.80 | 49.35 | 43.00 | 33.52 | 49.81 | |||||||||||||
1991 | 33.65 | 40.07 | 34.23 | 45.03 | 52.35 | 58.67 | 68.06 | 66.00 | 61.90 | 55.45 | 40.13 | 36.90 | a | 49.37 | ||||||||||||
1992 | 34.26 | 39.45 | 40.10 | 49.60 | 55.39 | 62.33 | 65.45 | b | 63.55 | 62.37 | 52.81 | 37.20 | 34.74 | 49.77 | ||||||||||||
1993 | 38.45 | 35.71 | 41.03 | 47.87 | 57.32 | 66.10 | 68.23 | 65.00 | 61.20 | 53.00 | a | 40.47 | 34.65 | 50.75 | ||||||||||||
1994 | 35.10 | 34.68 | 40.52 | 46.37 | 52.81 | 69.33 | 70.16 | 70.60 | a | 63.97 | 50.19 | 38.67 | 36.68 | 50.76 | ||||||||||||
1995 | 34.10 | 40.07 | 40.84 | 42.67 | 52.23 | 61.70 | 69.60 | a | 69.52 | 64.96 | b | 54.13 | 45.10 | 36.35 | 50.94 | |||||||||||
1996 | 35.29 | 40.62 | 40.81 | 48.87 | 59.84 | 69.50 | 70.13 | 67.55 | 60.13 | 52.97 | a | 43.62 | a | 34.74 | 52.01 | |||||||||||
1997 | 34.61 | 34.93 | 43.94 | 44.77 | 61.29 | 63.40 | 67.74 | 66.90 | 64.97 | 49.45 | 41.27 | 31.77 | 50.42 | |||||||||||||
1998 | 34.65 | 32.07 | 36.42 | 40.37 | 52.68 | 62.48 | a | 69.37 | a | 67.65 | 63.67 | 52.42 | 37.96 | b | 35.29 | 48.75 | ||||||||||
1999 | 38.00 | g | 38.18 | 41.00 | 39.83 | 55.52 | 64.40 | 65.52 | 65.90 | 62.57 | 55.84 | 46.67 | 34.10 | 51.77 | a | |||||||||||
2000 | 36.97 | 37.28 | 38.65 | 48.73 | 60.71 | 66.90 | 70.94 | 67.04 | g | 64.33 | 50.52 | 35.07 | 35.74 | 49.62 | a | |||||||||||
2001 | 32.35 | 33.82 | 40.29 | 43.97 | 60.81 | 65.50 | 66.97 | 67.33 | a | 66.23 | 54.90 | 44.23 | 30.77 | 50.60 | ||||||||||||
2002 | 32.68 | 35.89 | a | 37.84 | 48.63 | 56.00 | 68.33 | 69.45 | 67.77 | 64.47 | 50.71 | 43.43 | 33.67 | a | 50.74 | |||||||||||
2003 | 39.13 | 37.61 | 40.00 | 43.43 | 55.97 | 63.60 | 70.03 | 66.81 | d | 63.80 | 57.71 | 41.10 | 36.39 | 51.30 | ||||||||||||
2004 | 35.26 | 31.97 | 46.13 | 45.66 | a | 56.35 | 64.90 | 67.93 | d | 65.24 | b | 64.94 | l | 50.29 | 38.07 | 35.87 | 48.88 | a | ||||||||
2005 | 37.52 | 38.61 | 40.03 | 45.80 | 57.90 | 64.67 | c | 71.77 | 65.84 | 59.77 | 52.06 | 44.48 | a | 36.74 | 51.27 | |||||||||||
2006 | 35.97 | 38.71 | 38.97 | 46.47 | 58.71 | 69.03 | 69.94 | 65.19 | 58.90 | 50.42 | 43.25 | b | 33.65 | 50.77 | ||||||||||||
2007 | 30.65 | 37.39 | 43.77 | 45.93 | 56.00 | 67.40 | 70.13 | 68.35 | k | 64.00 | 54.10 | 48.23 | 32.35 | 50.00 | a | |||||||||||
2008 | 33.55 | 36.38 | 41.19 | 47.03 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 44.67 | i | 35.13 | 38.66 | g | ||||
2009 | 37.81 | 37.54 | 42.45 | 46.14 | a | 60.55 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 43.29 | w | 32.48 | 42.83 | f | |||||
2010 | 35.39 | 35.43 | 39.10 | 44.60 | 51.77 | i | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 40.43 | j | 38.63 | h | ||||
2011 | 33.38 | r | 34.85 | o | 44.61 | ----- | z | 54.69 | r | 59.80 | y | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 44.61 | k | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 34.54 | 36.27 | 39.70 | 45.28 | 54.04 | 63.37 | 67.23 | 65.32 | 61.15 | 51.68 | 41.02 | 35.03 | 49.47 | |||||||||||||
S.D. | 2.69 | 3.59 | 3.52 | 3.71 | 4.41 | 4.08 | 2.63 | 2.64 | 2.88 | 3.13 | 3.47 | 2.85 | 2.04 | |||||||||||||
SKEW | 0.10 | -0.64 | 0.57 | -0.05 | -0.39 | -0.18 | -0.77 | -0.30 | -0.70 | 0.15 | -0.10 | 0.50 | -0.86 | |||||||||||||
MAX | 40.52 | 43.46 | 51.43 | 52.93 | 61.31 | 72.57 | 71.77 | 70.60 | 66.23 | 57.71 | 48.23 | 43.52 | 52.14 | |||||||||||||
MIN | 27.65 | 25.89 | 32.35 | 37.17 | 43.16 | 54.67 | 59.81 | 59.29 | 53.30 | 46.19 | 32.47 | 29.29 | 43.70 | |||||||||||||
YRS | 58 | 60 | 62 | 60 | 56 | 57 | 57 | 54 | 57 | 58 | 56 | 58 | 43 |