YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1950 | ----- | z | ----- | z | ----- | z | ----- | z | 55.16 | 64.63 | 65.87 | 67.39 | 62.60 | 62.61 | 50.23 | 46.06 | 59.32 | d | ||||||||
1951 | 37.35 | 39.00 | 43.19 | 48.13 | 56.29 | 63.13 | 70.55 | 67.52 | 66.80 | 57.74 | 44.37 | 39.55 | 52.80 | |||||||||||||
1952 | 39.06 | 37.28 | 36.23 | 47.90 | 59.68 | 65.47 | 69.29 | 67.94 | 67.07 | 63.03 | 42.40 | 37.00 | 52.69 | |||||||||||||
1953 | 41.97 | 37.68 | 45.06 | 48.53 | 51.39 | 67.13 | 68.00 | 67.77 | ----- | z | 56.81 | 48.57 | 36.19 | 51.74 | a | |||||||||||
1954 | 40.87 | 46.43 | 43.60 | a | 54.00 | 56.67 | g | 64.13 | 68.10 | 64.90 | 65.20 | 58.39 | 48.57 | 41.03 | 54.11 | a | ||||||||||
1955 | 33.87 | 34.71 | 43.52 | 48.53 | 55.26 | 65.07 | a | 65.23 | 62.90 | 63.53 | 58.23 | 43.67 | 43.00 | 51.46 | ||||||||||||
1956 | 43.32 | 34.14 | a | 42.92 | f | 47.29 | i | 58.24 | b | 69.03 | 66.67 | a | 66.39 | 66.89 | l | 54.50 | a | 43.50 | 39.39 | 52.80 | c | |||||
1957 | 39.68 | 46.19 | b | 44.17 | b | 47.53 | 52.60 | a | 68.33 | 69.81 | 67.57 | j | 64.81 | c | 55.45 | i | 38.09 | s | 41.22 | m | 54.14 | d | ||||
1958 | 37.56 | m | 40.50 | j | 39.70 | k | 47.48 | e | 60.35 | h | 67.33 | 69.29 | 66.67 | a | 63.07 | c | 57.41 | d | 44.62 | i | 48.00 | t | 61.88 | f | ||
1959 | 40.67 | d | 38.60 | c | 43.60 | k | 52.48 | c | 54.79 | c | 68.43 | 67.45 | 64.67 | a | 62.90 | 55.68 | 45.60 | 39.29 | 53.69 | a | ||||||
1960 | 34.00 | 34.21 | 46.55 | 50.90 | 56.07 | a | 69.64 | b | 69.74 | 67.52 | 66.47 | 54.45 | 46.70 | ----- | z | 54.20 | a | |||||||||
1961 | 40.23 | 39.11 | 43.45 | 49.86 | a | 57.48 | 67.13 | 67.17 | b | 64.23 | 60.07 | 54.16 | 40.87 | 38.00 | b | 51.81 | ||||||||||
1962 | 35.68 | 40.25 | 37.97 | a | 54.93 | 54.55 | 63.57 | 66.77 | 69.19 | 64.77 | 55.77 | 47.97 | 40.68 | 52.67 | ||||||||||||
1963 | 34.97 | 44.21 | 42.58 | 46.67 | 59.30 | a | 62.53 | 69.81 | 65.26 | 64.13 | 58.00 | c | 44.60 | 38.48 | 52.55 | |||||||||||
1964 | 35.41 | i | 32.62 | 39.65 | 46.47 | 55.35 | 62.72 | a | 68.74 | 64.94 | 59.93 | 57.23 | 40.40 | 40.55 | 51.69 | a | ||||||||||
1965 | 39.26 | 37.50 | 39.90 | 49.10 | 52.90 | 58.03 | 66.65 | 67.16 | 60.87 | 59.26 | 49.90 | 39.00 | 51.63 | |||||||||||||
1966 | 34.97 | 34.25 | 45.87 | 51.70 | 59.03 | 64.33 | 68.55 | 65.39 | 62.33 | 52.87 | 46.87 | 39.29 | 52.12 | |||||||||||||
1967 | 37.74 | 40.15 | a | 44.61 | 43.50 | 54.58 | 60.24 | a | 65.06 | 64.17 | b | 61.90 | 54.29 | 47.40 | 33.94 | 50.63 | ||||||||||
1968 | 36.87 | 42.10 | 41.35 | 43.67 | 52.35 | 63.50 | 63.61 | 60.29 | 60.03 | 52.19 | 39.47 | 33.77 | i | 50.50 | a | |||||||||||
1969 | 37.96 | h | 36.41 | f | 39.70 | h | 49.00 | g | 52.88 | f | 58.37 | 65.23 | 65.29 | 62.07 | c | 47.65 | 41.53 | 37.00 | f | 56.69 | f | |||||
1970 | 34.32 | c | 38.11 | 36.23 | 41.73 | 57.06 | 64.97 | 67.32 | 64.06 | 59.00 | 47.03 | ----- | z | 38.48 | j | 50.98 | b | |||||||||
1971 | 35.79 | c | 37.07 | 42.39 | 44.47 | 50.90 | 62.00 | 66.65 | 61.80 | f | 59.50 | 46.65 | 39.63 | 30.00 | f | 48.50 | b | |||||||||
1972 | 34.83 | b | 41.86 | a | 50.66 | b | 47.93 | 54.26 | 60.10 | 66.45 | 62.59 | i | 59.67 | 51.77 | e | 35.23 | 32.65 | k | 50.28 | b | ||||||
1973 | 31.62 | b | 35.81 | a | 35.29 | 44.00 | f | 55.29 | 63.73 | 64.00 | 65.45 | 63.50 | j | 53.96 | f | 42.31 | a | 38.54 | g | 49.19 | d | |||||
1974 | 35.48 | 34.36 | 43.16 | 49.00 | 53.94 | 68.43 | 63.35 | 63.16 | 61.43 | 53.74 | 40.97 | 32.16 | 49.93 | |||||||||||||
1975 | 36.00 | 35.43 | 39.97 | 42.30 | 53.19 | 62.17 | 65.68 | 66.71 | 63.47 | 54.71 | 44.47 | ----- | z | 51.28 | a | |||||||||||
1976 | 38.10 | 39.97 | 40.45 | 44.24 | e | ----- | z | 62.65 | j | 62.72 | b | 61.10 | a | 55.04 | g | 46.57 | c | 38.73 | 32.53 | a | 44.94 | c | ||||
1977 | 32.71 | 36.96 | 33.13 | 40.77 | 47.23 | 61.07 | 67.04 | f | 64.69 | b | 59.93 | 54.13 | 42.37 | 40.65 | 46.69 | a | ||||||||||
1978 | 38.09 | i | 37.00 | 45.61 | 45.20 | 53.97 | 66.77 | 68.77 | 65.06 | 59.83 | 55.97 | 42.07 | 33.29 | 52.14 | a | |||||||||||
1979 | 32.10 | 35.36 | 39.71 | 47.89 | u | 54.73 | a | 64.83 | 66.10 | 57.47 | p | 61.75 | j | 55.52 | 35.30 | 38.03 | 46.85 | c | ||||||||
1980 | 36.87 | a | 40.62 | 38.93 | a | 43.23 | 48.53 | a | 61.83 | 66.63 | l | 62.32 | c | 57.16 | e | ----- | z | 38.03 | 37.44 | d | 46.50 | b | ||||
1981 | 38.95 | j | 43.36 | c | 40.87 | 50.67 | f | 54.55 | 65.67 | c | 66.84 | 66.75 | s | ----- | z | 46.25 | k | 44.95 | k | 38.94 | o | 54.26 | g | |||
1982 | 38.16 | l | ----- | z | ----- | z | ----- | z | 53.59 | i | 58.41 | h | 62.52 | f | 62.50 | c | 60.00 | c | 49.56 | o | 39.00 | x | ----- | z | 61.25 | j |
1983 | 35.11 | c | 35.50 | h | 38.21 | b | 40.93 | 54.23 | 61.00 | d | 64.52 | 62.43 | a | 61.53 | 52.07 | b | 40.13 | 37.65 | 49.80 | a | ||||||
1984 | 35.65 | 38.48 | 44.17 | a | 47.57 | 60.81 | 63.73 | 63.26 | 61.61 | 62.83 | 50.45 | 41.00 | a | 35.94 | 50.46 | |||||||||||
1985 | 35.83 | a | 36.29 | 41.47 | a | 50.93 | 57.35 | 65.41 | a | 66.19 | 65.39 | 59.28 | a | 54.83 | a | 43.47 | 39.65 | 51.34 | ||||||||
1986 | 43.17 | b | 41.29 | 49.29 | 52.47 | 59.48 | 66.80 | 66.45 | 67.00 | 61.03 | 53.77 | 45.77 | 38.48 | 53.75 | ||||||||||||
1987 | 35.84 | 39.57 | 40.13 | a | 53.23 | 55.53 | a | 67.03 | 67.74 | 65.52 | 63.10 | a | 59.68 | 43.53 | 34.87 | 52.15 | ||||||||||
1988 | 37.00 | 42.93 | 43.84 | 48.70 | 56.55 | 67.34 | a | 67.55 | 66.45 | 63.03 | a | 58.84 | 43.17 | 36.97 | 52.70 | |||||||||||
1989 | 35.32 | 41.86 | 48.03 | 56.60 | 58.35 | 66.57 | 70.39 | 66.39 | 65.20 | 55.74 | 45.97 | 38.84 | 54.10 | |||||||||||||
1990 | 36.81 | 34.89 | 45.35 | 52.17 | 55.52 | 68.27 | 65.29 | j | 62.32 | 62.07 | 54.29 | 44.37 | 36.23 | 50.21 | a | |||||||||||
1991 | 36.19 | 43.93 | 38.39 | 47.20 | 53.74 | 59.55 | a | 66.77 | 66.00 | 62.67 | f | 58.52 | 44.34 | a | 38.87 | a | 50.32 | a | ||||||||
1992 | 36.55 | 41.11 | a | 42.84 | 53.17 | 57.87 | 65.37 | 67.61 | 67.10 | a | 65.77 | 58.23 | 40.27 | 37.65 | 52.79 | |||||||||||
1993 | 40.16 | 38.44 | a | 44.61 | 51.53 | 59.50 | a | 65.87 | 67.39 | 66.74 | 63.47 | 56.50 | a | 42.80 | 39.61 | 53.05 | ||||||||||
1994 | 40.10 | a | 38.43 | 45.87 | 51.93 | 56.68 | 70.77 | 70.19 | 70.21 | c | 65.72 | a | 53.94 | 41.67 | 39.74 | 53.77 | ||||||||||
1995 | 38.55 | 46.25 | 44.94 | 46.93 | 54.55 | 64.20 | 69.87 | 69.42 | 66.73 | 58.35 | 49.80 | 41.68 | 54.27 | |||||||||||||
1996 | 40.52 | 44.93 | 45.67 | a | 52.75 | b | 61.16 | 69.00 | 70.44 | f | 67.29 | 61.17 | 54.26 | 47.20 | 39.90 | 53.08 | a | |||||||||
1997 | 39.29 | 38.71 | 49.35 | 49.70 | 60.84 | 63.97 | 69.19 | 67.81 | 66.07 | a | 54.23 | 46.63 | 36.16 | 53.50 | ||||||||||||
1998 | 39.26 | 36.39 | 41.87 | 44.97 | 54.19 | 63.53 | 69.61 | 69.16 | 65.23 | 55.58 | 46.62 | a | 37.94 | 52.03 | ||||||||||||
1999 | 41.29 | 41.64 | 44.45 | 45.73 | 56.23 | 64.33 | 66.00 | a | 65.23 | 64.20 | 60.00 | 50.97 | 38.68 | 53.23 | ||||||||||||
2000 | 42.68 | 43.14 | 43.27 | a | 53.47 | 61.48 | 66.50 | 68.03 | 64.94 | 65.63 | 53.39 | 37.97 | 41.90 | 53.53 | ||||||||||||
2001 | 35.68 | 36.54 | 42.87 | 44.67 | 57.90 | a | 65.10 | 66.87 | 66.87 | 66.77 | 56.55 | 48.93 | 35.06 | 51.98 | ||||||||||||
2002 | 37.40 | a | 41.36 | 41.48 | 50.24 | a | 57.00 | a | 69.23 | 68.44 | d | 67.97 | 65.53 | 52.00 | 47.90 | 37.55 | 53.01 | |||||||||
2003 | 44.30 | a | 40.64 | 43.96 | c | 47.43 | 58.97 | 66.73 | 70.04 | d | 67.00 | f | 65.93 | 60.48 | 45.07 | a | 39.93 | a | 53.05 | a | ||||||
2004 | 38.92 | e | 35.86 | 52.06 | 49.77 | 59.80 | a | 65.87 | 66.81 | 66.39 | 62.93 | 54.16 | 41.45 | a | 39.48 | 52.79 | ||||||||||
2005 | 41.13 | 41.26 | a | 42.97 | 49.79 | b | 59.23 | a | 65.43 | 70.69 | b | 66.30 | d | 65.64 | b | ----- | z | ----- | z | ----- | z | 55.83 | c | |||
2006 | 41.87 | ----- | z | 42.71 | ----- | z | 61.37 | d | 69.14 | w | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 48.65 | i | ||
2007 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 60.47 | m | 56.17 | a | 52.21 | a | 37.55 | i | 54.19 | j |
2008 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 47.83 | ----- | z | 47.83 | k | |
2009 | ----- | z | ----- | z | ----- | z | ----- | z | 61.74 | ----- | z | 68.58 | ----- | z | 65.87 | 52.97 | ----- | z | ----- | z | 62.29 | h | ||||
2010 | 39.74 | ----- | z | 42.52 | 47.07 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 43.11 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 37.78 | 39.18 | 42.78 | 48.38 | 56.20 | 64.93 | 67.34 | 65.66 | 63.07 | 55.22 | 44.05 | 38.33 | 52.47 | |||||||||||||
S.D. | 3.03 | 3.50 | 3.75 | 3.77 | 3.22 | 2.90 | 2.04 | 2.21 | 2.55 | 3.60 | 3.94 | 2.72 | 1.09 | |||||||||||||
SKEW | 0.15 | 0.27 | -0.06 | -0.09 | -0.36 | -0.35 | -0.33 | -0.37 | -0.21 | -0.42 | -0.11 | -0.05 | -0.51 | |||||||||||||
MAX | 44.30 | 46.43 | 52.06 | 56.60 | 61.74 | 70.77 | 70.69 | 70.21 | 67.07 | 63.03 | 52.21 | 46.06 | 54.27 | |||||||||||||
MIN | 31.62 | 32.62 | 33.13 | 40.77 | 47.23 | 58.03 | 62.72 | 60.29 | 57.16 | 46.57 | 35.23 | 32.16 | 49.93 | |||||||||||||
YRS | 51 | 51 | 52 | 50 | 53 | 54 | 52 | 50 | 50 | 52 | 52 | 43 | 27 |