YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 41.86 | i | 39.56 | 39.56 | k | |
1961 | 42.92 | 45.45 | 44.55 | i | 50.38 | 55.15 | 65.05 | a | 67.27 | a | 71.42 | k | 58.07 | 51.81 | 41.00 | 39.77 | 51.69 | b | ||||||||
1962 | 36.60 | 41.91 | 42.68 | 53.50 | 51.79 | 58.41 | s | 64.94 | 65.13 | 62.57 | 52.95 | 47.13 | 41.89 | 51.01 | a | |||||||||||
1963 | 34.47 | 48.43 | 44.92 | 46.73 | 55.97 | 59.77 | 62.42 | 65.65 | g | 65.12 | e | 54.16 | 45.00 | 41.08 | 50.73 | a | ||||||||||
1964 | 38.10 | 40.17 | 42.48 | 46.90 | 52.06 | 58.55 | 64.76 | 62.98 | e | 57.65 | 54.47 | 41.98 | d | 39.87 | 50.00 | |||||||||||
1965 | 38.82 | 43.54 | 46.24 | 51.43 | 53.20 | a | 59.92 | 65.88 | g | 66.05 | b | 58.85 | 56.55 | 47.50 | 37.08 | 50.83 | a | |||||||||
1966 | 37.90 | 41.30 | 45.10 | 51.83 | 55.69 | 61.20 | 64.21 | 65.44 | 62.58 | 54.07 | b | 46.10 | 41.45 | 52.24 | ||||||||||||
1967 | 40.68 | 43.04 | 44.27 | 44.85 | 56.10 | a | 63.28 | 66.77 | 70.23 | 65.29 | a | 54.00 | 46.93 | 37.21 | 52.72 | |||||||||||
1968 | 39.35 | 47.45 | 48.81 | 48.80 | 55.19 | 61.63 | 67.11 | ----- | z | 60.17 | 52.40 | 45.93 | 38.45 | 51.39 | a | |||||||||||
1969 | 35.77 | 38.82 | 45.60 | 49.67 | 59.26 | 62.98 | 63.89 | 63.75 | e | 61.73 | 50.73 | 45.38 | 42.19 | 51.65 | ||||||||||||
1970 | 42.85 | 45.52 | 46.47 | 45.33 | 55.89 | 63.86 | h | 66.81 | 64.44 | 58.35 | 51.11 | 47.03 | 38.39 | 51.11 | a | |||||||||||
1971 | 36.95 | 41.21 | 41.76 | 47.53 | 55.10 | a | 58.67 | 66.26 | 66.87 | 59.00 | 50.11 | 43.28 | 37.34 | 50.34 | ||||||||||||
1972 | 37.47 | 43.67 | 47.86 | f | 47.27 | 56.13 | 61.38 | 68.06 | 67.13 | 58.27 | 50.44 | 45.85 | 34.18 | 51.80 | a | |||||||||||
1973 | 38.02 | 45.86 | 44.47 | 49.90 | 57.58 | 62.30 | 66.66 | 63.81 | 62.07 | 51.53 | 42.05 | 42.11 | 52.20 | |||||||||||||
1974 | 37.39 | 40.79 | 45.24 | 49.43 | 53.31 | 62.85 | 65.21 | 66.32 | 63.87 | 52.40 | 46.62 | 40.82 | 52.02 | |||||||||||||
1975 | 39.77 | 41.80 | 42.95 | 44.70 | 55.23 | 59.55 | 66.69 | 62.82 | 62.03 | 51.73 | 42.45 | 41.76 | 50.96 | |||||||||||||
1976 | 39.87 | 41.33 | 43.50 | 47.90 | 55.52 | 57.22 | 66.06 | 64.47 | 61.37 | 53.63 | 48.20 | 37.69 | 51.40 | |||||||||||||
1977 | 38.10 | 45.14 | 43.45 | 51.58 | 51.45 | 62.45 | 63.98 | ----- | z | 59.25 | 51.85 | 43.85 | 43.92 | 50.46 | a | |||||||||||
1978 | 44.42 | 44.95 | 50.05 | 48.35 | 54.10 | 62.47 | 66.16 | 65.35 | 58.20 | 53.94 | 41.07 | 35.53 | 52.05 | |||||||||||||
1979 | 35.73 | 40.80 | 49.39 | 50.58 | 56.32 | 59.88 | 66.23 | 64.69 | 63.40 | 55.82 | 43.78 | 41.76 | 52.37 | |||||||||||||
1980 | 38.47 | 45.74 | 44.81 | 51.90 | 53.52 | 57.70 | 66.03 | 61.89 | 61.33 | 53.63 | 46.68 | 42.16 | 51.99 | |||||||||||||
1981 | 44.24 | 44.43 | 46.76 | 51.08 | 54.71 | 60.45 | 63.85 | 67.02 | 60.73 | 50.44 | 45.43 | 42.56 | 52.64 | |||||||||||||
1982 | 36.58 | 41.84 | 44.37 | 46.52 | 54.61 | 62.20 | 63.95 | 64.95 | 59.33 | 52.19 | 41.57 | a | 38.40 | 50.54 | ||||||||||||
1983 | 41.97 | 44.66 | 47.18 | 48.75 | 56.62 | a | 59.10 | 62.42 | 64.94 | 57.53 | 52.85 | 44.95 | 39.44 | 51.70 | ||||||||||||
1984 | 40.90 | a | 43.03 | 47.68 | a | 47.57 | 54.92 | 58.30 | 65.63 | 64.50 | a | 59.37 | 49.95 | 42.42 | 36.84 | 50.93 | ||||||||||
1985 | 37.68 | 39.52 | 42.44 | 52.52 | 54.34 | 61.68 | 68.45 | 63.87 | 56.13 | 51.03 | 38.03 | 36.26 | 50.16 | |||||||||||||
1986 | 43.39 | 44.68 | 50.50 | 49.71 | a | 55.84 | 64.90 | 62.56 | 68.42 | 56.43 | 53.50 | 45.32 | 39.92 | 52.93 | ||||||||||||
1987 | 38.62 | a | 44.07 | 47.90 | ----- | z | 58.08 | a | 64.15 | 63.44 | 65.06 | 61.00 | 55.06 | 46.13 | 39.15 | 52.97 | a | |||||||||
1988 | 38.82 | 44.71 | 46.44 | 52.00 | 53.87 | 59.65 | 66.48 | 65.44 | 61.08 | 57.16 | 43.88 | 37.90 | 52.29 | |||||||||||||
1989 | 38.45 | 36.64 | 45.68 | 55.02 | 55.05 | 61.62 | 63.85 | 64.02 | 61.87 | 51.90 | 44.10 | 38.11 | 51.36 | |||||||||||||
1990 | 41.24 | 38.62 | 47.92 | 53.72 | 54.19 | 61.82 | 67.98 | 67.11 | 63.72 | 51.42 | 43.98 | 32.87 | 52.05 | |||||||||||||
1991 | 36.42 | 46.96 | 43.84 | 48.15 | 52.26 | 58.33 | 67.71 | 66.87 | 64.25 | 53.44 | 47.53 | 40.27 | 52.17 | |||||||||||||
1992 | 41.24 | 47.26 | 50.00 | 54.68 | 61.27 | ----- | z | 66.81 | 67.56 | 61.63 | 54.52 | 44.92 | 37.58 | 53.41 | a | |||||||||||
1993 | 37.24 | 40.64 | 49.85 | 49.77 | 58.24 | 59.88 | 61.02 | 64.10 | 61.48 | 54.95 | 39.17 | 37.95 | 51.19 | |||||||||||||
1994 | 42.45 | 40.12 | 48.35 | 51.67 | 57.35 | 59.52 | 68.21 | 64.94 | 63.33 | 51.56 | 38.62 | 38.82 | 52.08 | |||||||||||||
1995 | 43.18 | 47.54 | 46.87 | 48.65 | 57.06 | 60.72 | 68.29 | 63.74 | 64.12 | a | 52.24 | 49.08 | 42.71 | 53.68 | ||||||||||||
1996 | 40.21 | 44.29 | 48.08 | 51.65 | 54.40 | 60.43 | 69.55 | 67.37 | 59.30 | 52.40 | 46.42 | 40.81 | 52.91 | |||||||||||||
1997 | 40.23 | 42.89 | 46.84 | 50.67 | 60.84 | 60.27 | 66.37 | 67.79 | 62.38 | 52.02 | 46.28 | 37.75 | a | 52.86 | ||||||||||||
1998 | 43.35 | 43.82 | ----- | z | 50.88 | 53.28 | a | 61.50 | 69.40 | 67.69 | 63.60 | 51.56 | 45.62 | 36.69 | 53.40 | a | ||||||||||
1999 | 39.82 | 41.02 | 43.73 | 48.98 | 53.45 | 60.35 | 65.39 | 66.89 | 61.93 | 53.48 | 47.86 | a | 38.23 | 51.76 | ||||||||||||
2000 | 38.69 | 44.10 | 44.87 | 53.43 | 56.15 | 62.87 | 65.30 | a | 65.54 | d | 61.48 | 52.42 | 39.93 | 39.50 | 52.02 | |||||||||||
2001 | 39.26 | 40.93 | 46.98 | 47.82 | 58.71 | 58.75 | 65.78 | a | 67.05 | 62.19 | a | 52.18 | 45.60 | 38.44 | 51.97 | |||||||||||
2002 | 38.68 | 41.98 | 43.44 | 50.52 | 54.93 | a | 61.73 | b | 68.55 | b | 65.68 | a | 61.05 | 50.23 | a | 44.40 | 41.60 | 51.90 | ||||||||
2003 | 44.07 | a | 41.86 | 48.07 | a | 47.16 | a | 55.56 | 63.07 | a | 69.94 | e | 68.42 | a | 63.05 | 54.66 | b | 41.10 | 40.42 | 53.11 | ||||||
2004 | 40.40 | 42.64 | 50.16 | 52.43 | a | 56.66 | b | 62.22 | 68.77 | a | 68.48 | a | 59.64 | b | 52.32 | 42.40 | 40.23 | a | 53.03 | |||||||
2005 | 40.00 | a | 42.07 | 48.03 | a | 50.42 | 57.42 | 59.19 | d | 67.85 | a | 68.26 | 59.70 | 53.92 | a | 41.72 | a | 39.15 | a | 52.31 | ||||||
2006 | 40.82 | 41.84 | 43.08 | 50.37 | c | 57.55 | a | 63.98 | a | 68.72 | b | 66.02 | a | 61.45 | 51.11 | 44.10 | 38.89 | 52.33 | ||||||||
2007 | 33.88 | a | 41.55 | 48.23 | a | 50.54 | b | 56.92 | a | 60.98 | 69.24 | 66.92 | a | 60.31 | a | 50.29 | b | 42.11 | b | 37.55 | a | 51.54 | ||||
2008 | 34.68 | a | 40.09 | 43.19 | b | 46.93 | 57.28 | a | 58.83 | d | 68.17 | b | 67.31 | 62.75 | 51.42 | 45.84 | a | 35.39 | 50.99 | |||||||
2009 | 36.73 | a | 41.61 | 43.30 | a | 48.65 | 57.95 | a | 63.15 | c | 70.37 | a | 67.28 | a | 63.52 | a | 50.76 | b | 42.25 | 34.95 | a | 51.71 | ||||
2010 | 45.35 | 44.62 | 45.39 | 48.25 | d | 52.87 | 59.09 | c | 67.33 | d | 66.30 | d | 61.81 | a | 52.92 | a | 43.62 | a | 41.02 | a | 52.38 | |||||
2011 | 40.20 | a | 38.91 | a | 44.63 | a | 46.42 | 52.10 | 59.60 | 64.67 | a | 66.93 | a | 64.92 | 52.48 | 42.52 | 35.26 | 50.72 | ||||||||
2012 | 39.05 | 41.43 | 43.16 | 51.22 | 55.93 | a | 58.93 | 66.13 | a | 67.64 | b | 63.43 | a | 52.36 | c | 46.90 | 39.02 | a | 52.10 | |||||||
2013 | 35.10 | 40.45 | 47.44 | 52.15 | c | 58.02 | 63.20 | b | 69.58 | a | 69.12 | a | 61.95 | b | 49.02 | 42.31 | a | 33.18 | 51.79 | |||||||
2014 | 39.90 | 43.77 | 48.23 | 52.04 | c | 58.58 | 61.46 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 50.66 | f | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 39.38 | 42.81 | 45.98 | 49.79 | 55.66 | 60.96 | 66.37 | 66.01 | 61.24 | 52.55 | 44.23 | 38.91 | 51.88 | |||||||||||||
S.D. | 2.73 | 2.54 | 2.41 | 2.46 | 2.19 | 1.91 | 2.17 | 1.79 | 2.24 | 1.72 | 2.57 | 2.49 | 0.82 | |||||||||||||
SKEW | 0.18 | 0.12 | 0.16 | -0.05 | 0.25 | 0.17 | -0.29 | -0.06 | -0.31 | 0.47 | -0.40 | -0.35 | -0.37 | |||||||||||||
MAX | 45.35 | 48.43 | 50.50 | 55.02 | 61.27 | 65.05 | 70.37 | 70.23 | 65.29 | 57.16 | 49.08 | 43.92 | 53.68 | |||||||||||||
MIN | 33.88 | 36.64 | 41.76 | 44.70 | 51.45 | 57.22 | 61.02 | 61.89 | 56.13 | 49.02 | 38.03 | 32.87 | 50.00 | |||||||||||||
YRS | 54 | 54 | 51 | 53 | 54 | 51 | 52 | 49 | 53 | 53 | 53 | 54 | 42 |